**Answer:**

(2x+1)(x-5)

**Step-by-step explanation:**

factorsed by grouping them

roots are -1/2 and 5

if angles k and j are supplementary and adjacent, which statement about the two angles is true ?

Let's evaluate the statements:

**Supplementary angles:** that means the sum of ∠K and ∠J is 180°.

**Adjacent angles: **that means that ∠K and ∠J common side and a common vertex.

So, let's observe the angles:

Given:

Linear pairs of angles are those two adjacent angles whose sum is 180°.

**Answer: ∠K and ∠J are linear pairs. **

A school has 14 rooms with 28 desks in each room. How many desks are in the school?

**Answer:**

392

**Step-by-step explanation:**

There are 14 desks with 28 rooms, or

14 x 28**392**

I'm trying to rank up so if you could mark this brainliest, it would really help

Omar gave out a survey to some students in his school about their favorite color. 650 of those surveyed said their favorite color was blue. If 65% of the students surveyed said their favorite color was blue, how many students were surveyed in total?

The **total number** of students surveyed by Omar in his school is 1000.

Here, we are given that Omar conducted a survey of some students in his school about their favorite color.

650 of those surveyed said their favorite color was blue.

Further, 65** percent** of the students surveyed said their favorite color was blue.

Let the total number of students surveyed be x

Then, according to the given information,

65% of x is 650

Thus, we can form the following **equation**-

65/ 100 × x = 650

0.65x = 650

x = 650/ 0.65

x = 65000/ 65

x = 1000

Thus, the **total number** of students surveyed by Omar in his school is 1000.

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. A swim coach has at most $800 to buy equipment for the swim team. Each

pull buoy costs $5.50 and each kickboard costs $10. Let X represent the

number of pull buoys and y represent the number of kickboards.

a. Write an inequality for the scenario..

5.50x+10y_< 800 I already wrote the inequality now graph the inequality

The** inequality **for number of pull buoys and the number of** kickboards **is; 5.50x + 10y ≤ 800.

A statement of an order relationship between two numbers or algebraic expressions (greater than, greater than or equal to, less than, or less than or equal to).

For the given question.

Let 'x' represent the number of **pull buoys**.

Let 'y' represent the number of kickboards.

The cost of each pull buoy = $5.50.

The cost of each **kickboard** costs = $10.

The total **swim budget** = $800.

The inequality for the scenario is -

5.50x + 10y ≤ 800.

Plot the graph;

Put x = 0; y = 80 ; (0, 80)

Put y = 0, x = 145.5 (145.5, 0)

Plot the obtained points on the **graph**.

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Determine the range of the following graph:

After inspecting the picture of the given **graph**, the **range** of the **function** is represented by the following **set**:

**Inequality notation**: - 5 ≤ y ≤ 0

**Interval notation**: y ∈ [- 5, 0]

What is the range of a given function?

**Functions** are characterized by the following three features:

In this question we find the case of a function with one input variable and one output variable. That is:

x → f(x)

After inspecting the picture shown in the image we notice that the range of the **graph** is formed by the following set:

**Inequality notation**: - 5 ≤ y ≤ 0

**Interval notation**: y ∈ [- 5, 0]

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Given the midpoint (M) and either endpoint of AB. find

the other endpoint.

A(-1, 2) and M(3,6)

a B is (7, 10)

b Bis (9, 12)

c B is (10, 10)

d B is (13, 10)

The other **endpoint **is (7,10).

Assuming that your **midpoint** M = (x, y) and endpoint A = (x1, y1) are both present: Coordinates of the double midpoints are 2x, 2y. To find the x-coordinate of the missing endpoint, subtract the known endpoint's x-coordinate from the first value: x₂ = 2x - x₁.

The fastest way to find the missing endpoint is to determine the distance from the known** endpoint** to the** midpoint** and then performing the same transformation on the midpoint.

An alternate solution would be to substitute (-1, 2) for (x1,y1) and (3,6) for (x2,y2) into the midpoint formula:

(x - 1)/2 = 3

x -1 = 6

x =7

(y + 2)/2 = 6

y + 2 = 12

y =10

Solving each equation for (x2,y2) yields the solution (7,10).

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In March, Isaiah and Freddie had the same amount of money in their savings accounts. In April, Isaiah deposited $210 into his account. Freddie increased the money in his account by 15%. When they compared their balances, they found that they were still equal.

x + 210 = 1.15x where x is the amount in their accounts in March....subtract x from both sides 210 = .15x divide both sides by .15 x = $ 1400 Hope you get an A+ :))

Determine the solutions of the equation:

|1/3x + 9| - 3 = 21

**Step-by-step explanation:**

21+3=24

1/3x+9=24

24-9=13

1/3x=13

13×1=13

3x=13

13/3=4.33

x=4.33

Points X(6,4) and Y(-4,-6) are the endpoints of XY. What are the coordinates of point Z on XY such that XZ is 4/5 the length of XY

**Answer:**

(-2, -4)

**Step-by-step explanation:**

Z_x = (Y_x - X_x) * (4/5) = (-4 - 6) * (4/5) = -8

Z_y = (Y_y - X_y) * (4/5) = (-6 - 4) * (4/5) = -8

-8 + 6 = -2

-8 + 4 = -4

A paper company is designing a new, pyramid-shaped paperweight. Its development team has decided

that to make the width of the paperweight 4 inches less than the length and the height of the

paperweight 3 inches less than the length. The paperweight must have a volume of 12 cubic inches.

What are the dimensions of the paperweight?

The width is

inches, the length is

inches, and the height is

inches

**Answer:**

4x+3=12

**Step-by-step explanation:**

Write the coordinates of the vertices after a rotation 90° counterclockwise around the origin.

The required **coordinates** are

Q'(-8, -9)

R'(-8, -1)

S'(-1, -10)

**What is coordinate?**

In geometry, a **coordinate system** is a method for determining how to place points or other geometrical objects on a manifold, such Euclidean space, uniquely using one or more numbers, or** coordinates.**

You want the **coordinates** of Q', R', and S' after rotating figure QRS 90° CCW. You are given Q(-9, 8), R(-1, 8) and S(-10, 1).

Rotation CCW 90°

The transformation that maps **coordinates** to their image after rotation 90° CCW is

(x, y) ⇒ (-y, x)

The image points are

Q(-9, 8) ⇒ Q'(-8, -9)

R(-1, 8) ⇒ R'(-8, -1)

S(-10, 1) ⇒ S'(-1, -10)

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plsssssssssssssss helpppppppppppppppppppppp

I’m pretty sure it’s D

A trough at the end of a gutter spout is meant to direct water away from the house. The

homeowner makes the trough from a rectangular piece of of aluminum that is 20 in. long and 12

in. wide. He makes a fold along the long sides a distance of x inches from the edge. If he wants the

trough to hold 360 in³ of water, how far from the edge should he make the fold?

**Answer:20 in * (12 in - 2X in) * (X in) = 360 in3**

** **

**This can be simplified by dividing both sides by 20 in:**

** **

**20 in * (12 in - 2X in) * (X in) = (360 in3/ 20 in)**

** **

**After dividing both sides by 20 in:**

**(12 in - 2X in) * X in = 18 in2**

** **

**Distribute X in. across (12 in -2X in):**

**12X in2 - 2X2 in2 = 18 in2**

**1.Subtract 18 in2 from both sides:**

**12X in2 - 2X2 in2 - 18 in2 = 0**

** **

**2. Rearrange the equation:**

**-2X2 in2 + 12X in2 - 18 in2 = 0**

**This for matches the form for a quadratic equation (Ax2 + Bx +C = 0)**

**You can then plug these values into the quadratic formula to solve for X**

**so your answer is**** X=3**

Emma has 3/4 credits. It requires 1/4 of a credit to play a video game for one minute. How long can Emma play the video game with her credits? Use standard algorithm to show your work.

**Emma** can play video **games** for 3 minutes using the available credits

**Credit** available with Emma = 3/4 credits

Credits required to play a **video** game for one minute = 1/4

Credits: In an electronic gaming setting, a value earned through the exchange of cash or currency equivalents is referred to as "gameplay credits." It can also be obtained through **gaming** as a prize. You can exchange gameplay credits for money or money equivalents.

Time Emma can play video games with the credits:

Credit available with Emma/Credits required to play video game for one minute

= (3/4)/(1/4)

= 3/4*4

= 3

So, she can play for 3 minutes

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Write a rule of reflection

???????

The **rule **for the **reflection **is (x, y) ---> (x+6, y).

A **reflection **is a type of **transformation **that involves flipping a **shape**, known as the **preimage**, **across** a line, known as the line of **reflection**, to produce a new shape (called the image). You can picture what would happen if you turned the form across the line to graph a reflection.

Given:

The **coordinates **of L is ( -3, 6).

Now, after the **reflection **

The x- coordinates **increases **+6 units on **right **side.

and, y- coordinates **remains **the **same**.

Hence, the **rule **for the **reflection **is (x, y) ---> (x+6, y).

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What is the correct form of the partial fraction decomposition for the expression

13x-7

(x+2)(4x-3)

?

**Answer:**

**fraction decomposition for the expression**

**13x - 7/(x+2)(4x-3)**

jacob said that -3 is a rational number. aaron said that -3 is an irrational number. who is correct?explain

Any number in the form of **p/q** where q not equal to zero is called as rational Number. -3 is** rational number** and Jacob is correct.

Any number in the form of **p/q** where q not equal to zero is called as rational Number.

An Irrational Number is a real number that cannot be written as a simple fraction: 1.5 is rational, but π is irrational. The root values will also be irrational.

The number -3 is a** rational number.** We can write -3 in the form of p/q, i.e -3/1 where p is -3 and q is 1.

All rational numbers are obtained by **dividing** one integer by another.

Since it is possible to obtain -3 by dividing the** integer**

i.e -3 by 1, as in -3/1,

So -3 is a** rational **number.

Hence -3 is not a** irrational number because ** -3 we can written as a simple fraction.

So Jacob is correct.

Hence -3 is **rational** and** Jacob** is correct.

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i came up to some degree, but not sure. i will post my notes after.

Note that sides AD and BE are perpendicular on the same side AC. So the angles CAD and CBE, both are equal to 90 degrees.

Beig the corresponding angles, ADC and BEC are also equal.

And the angle ACD is the common angle in both the triangles.

Therefore by the AAA criteria, the triangles CAD and CBE are similar.

So their corresponding sides must be proportional,

[tex]\begin{gathered} \frac{AD}{BE}=\frac{AC}{BC} \\ \frac{4\sqrt[]{138}}{\sqrt[]{138}}=\frac{6\sqrt[]{3}+BC}{BC} \\ 4=\frac{6\sqrt[]{3}+BC}{BC} \\ 4BC=6\sqrt[]{3}+BC \\ 3BC=6\sqrt[]{3} \\ BC=2\sqrt[]{3} \end{gathered}[/tex]250 word minimum essay on the steps of solving for both the x and y intercept.

**Answer:**

**Step-by-step explanation:**

**In analytic geometry, using the common convention that the horizontal axis represents a variable x and the vertical axis represents a variable y and an x-intercept is a point where the graph of a function or relation intersects with the x-axis of the coordinate system. To find the x-intercept we set y = 0 and solve the equation for x. This is because when y=0 the line crosses the x-axis. When an equation is not in y = mx + b form, we can solve for the intercepts by plugging in 0 as needed and solving for the remaining variable. For example In algebra, 2-dimensional coordinate graphs have a horizontal axis, or x-axis, and a vertical axis, or y-axis. The places where lines representing a range of values cross these axes are called intercepts. The y-intercept is the place where the line crosses the y-axis and the x-intercept where the line crosses the x-axis. For simple problems, it is easy to find the x-intercept by looking at a graph. You can find the exact point of the intercept by solving algebraically using the equation of the line.**

**Hope this helped out! **

You find the x-intercept by plugging in 0 for y and solving for x. You find the y-intercept by plugging in 0 for x and solving for y. Step 2: Find at least one more point. You do this by plugging in ANY value(s) for x and finding it's corresponding y value

Name the property illustrated.

(7 + 8) + 9 = 7 + (8 + 9)

**Answer:**

24=24 ( associative property )

Mr.Johnson orders gravel to cover his driveway. Below is a top view of the driveway. The gravel will be spread 3 inches deep.Write the depth of the gravel in ft

If Mr. Johnson orders gravel to **cover his driveway**, below is a top view of the driveway and the gravel will be spread 3 inches deep, then the **depth of the gravel** in feet is 0.25 feet

The gravel will be spread 3 inches deep

Here we have to **convert** the depth in** inches **to the depth in feet

To convert the inches to** feet**, we have to divide the inches by 12.

Then,

3 inches = 3/12 feet

= 0.25 feet

Hence, if Mr. Johnson orders gravel to cover his driveway, below is a top view of the driveway and the gravel will be spread 3 inches deep, then the depth of the gravel in feet is 0.25 feet

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The price of Stock A at 9 A.M. was $12.17. Since then, the price has been increasing at the rate of $0.06 each hour. At noon the price of Stock B was $12.67. It begins to decrease at the rate of $0.08 each hour. If the two rates continue, in how many hours will the prices of the two stocks be the same?

If at noon the price of Stock B was $12.67. It begins to decrease at the rate of $0.08 each hour. If the two rates continue, the number of hours that the prices of the two stocks be the same is 3.57 hours.

Determining the stock number of hoursLet the hours when they equalize be h

Hence,

12.17 + .06h =12.67 - .08h

Combine like terms

.06h + .08h=12.67 - 12.17

.14h=.5

Divide both sides by .14h

h = .5/ .14

h = 3.57 hours

Therefore we can conclude at the number of **hours **is 3.57 hours .

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do you think you can help me with this problem this is what the question is about a glass bottle filled with oil that weighs 590 grams. After Sophia uses 200 milliliters of oil, the bottle of oil weighs 400grams. so do u think u can help me?

The function formula of the **mass **of the bottle to the function of the **volume** of the oil is M = 590 - 0.95V

The glass bottle filled with oil weighs 590 grams.

After Sophia uses 200 millilitres of oil, the bottle of oil weighs 400grams.

Therefore, the weight M of the bottle of oil in grams is a function of V, the **volume**, in millimetres of oil Sophia has used.

Therefore, the formula of the function can be represented as follows

density = **mass / volume**

200 mm reduces the weight of the bottle by 590 - 400 = 190 grams.

V mm will reduce it to ?

cross multiply

190 × V / 200 = 19 / 20 V = 0.95V

where

V =** volume **of the oil reduced from the bottle

Therefore, the function formula will be as follows:

M = 590 - 0.95V

Where,

M = weight of the oil.

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A farmer planted 978 seeds each day for 30 days. How many seeds did the farmer plant in total? 29,140 seeds 29,240 seeds 29,340 seeds 29,440 seeds

**Answer:**

29,340

**Step-by-step explanation:**

978 x 30 =29,340

What is the value of f(-1) when f(x) = 2x + 2?

Enter your answer in the box.

f(−1) = □

(can someone explain it instead of just giving answer, the teachers suck at teaching anymore at least where i go)

The **value** of f(-1) when f(x) = 2x + 2 will be 0.

In Mathematics, it is important to note that an **expression** is simply used to show the relationship between the variables that are provided or the data given regarding an information.

In this situation, we want to know the **value** of f(-1) when f(x) = 2x + 2. This will be Illustrated as:

f(-1) = 2x + 2

= 2(-1) + 2.

= -2 + 2

= 0

The **value** is 0.

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A recent survey showed that 73% of elementary school students have a pet, what is the ratio of students who have a pet to the students who don't have a pet

**Answer:idek**

**Step-by-step explanation:**

simplify using suitable property -4/5+-1/3+1 2/5+7/3

PLEASE DONT SPAM

WILL MARK BRAINLIEST

**Answer:**

2

**Step-by-step explanation:**

[tex]=-\frac{12}{15} + -\frac{5}{15} + \frac{12}{15} + \frac{35}{15} \\=\frac{30}{15} \\= 2[/tex]

**Answer:**

**39/15**

**Step-by-step explanation:**

-4/5+-1/3+1 2/5+7/3

Convert all to fractions having the least common denominator. The mixed denominators of 3 and 5 could be converted to denominators of 15, thereby allowing them to be numerically combined.

-4/5+-1/3+1 2/5+7/3

(-4/5)(3/3) = **-12/15**

(-1/3)(5/5) = **-5/15**

(+1 2/5) = (5/5 + 2/5) = (7/5)(3/3) = **21/15**

(7/3)(5/5) = **35/15**

**Since we have a common denominator (15) we can now sum the individual fractions by adding their numerators:**

**-12 -5 + 21 + 35 = 39**

**Now add back the denominator**

**The result is ****39/15**

The answers help im confused

**Answer:**

P' (3, 1)

Q' (5, 1)

R' (5, 4)

S' (3, 4)

T' (3, 3)

U' (1, 3)

V' (1, 2)

W' (3, 2)

**Step-by-step explanation:**

What does it mean when a point is translated horizontally to the right by 6 units? That means its x coordinate is increased by 6 units, the y-coordinate is unchanged

(If it was translated 6 units to the left, it's x coordinate would decrease by 6 units)

So if we had a point say (1, 1) then its new x-coordinate will be (1+6, 1) or (7,1) The y-coordinate stays unchanged if the translation is horizontal

When a point is translated vertically by 6 units, its x-coordinate is unchanged but the new y coordinate is increased by 6 units (-6 units if the translation is vertically down)

So with a point (1, 1), an up translation will result in a new point (1, 7)

If both translations are applied both x and y coordinates will change to

(7, 7)

To figure out the new coordinates denoted by P'Q'R'S'T' of each of the points PQRST of the given figure:

Add 6 to the x-coordinate of each point and at the same time add 6 to the y-coordinate of that point

If you look at the graph, the original points and translated points for 6 units to right and 6 units up are

P(-3, -5) which translates to P'(-3 + 6, -5 + 6) or P'(3, 1)

The other new points are calculated the same way by adding 6 to both x and y coordinates

Q(-1, -5) ==> Q'(5, 1)

R(-1, -2) ==> R'(5, 4)

S(-3, -2) ==> S'(3, 4)

T(-3, -3) ==> T'(3, 3)

U(-5, -3) ==> U'(1, 3)

V( -5, -4) ==> V'(1, 2)

W(-3, -4) ==> W'(3, 2)

The attached graph shows the translated figure with the translated points. Essentially the original figure has been shifted 6 units to the right and 6 units up

Solve the equation 6p = 2(5 - 2p).

**Answer:**

p=1

**Step-by-step explanation:**

6p=2(5-2p)

6p=10-4p

Add 4p on both sides

10p=10

Divide 10 on both sides

p=1

Hello!

Let's solve:

[tex]6p=2(5-2p)\\\\\text{Multiply 2 into the function in the parentheses}6p=10-4p\\\\\text{Add '4p to both sides}\\6p+4p=10-4p+4p\\10p=10\\\\\text{Divide both sides by 10}\\\frac{10p}{10} =\frac{10}{10} \\p=1[/tex]

Hope that helps!

If x = 15 units and h = 12 units, then what is the area of the rhombus pictured above?

A.

225 square units

B.

45 square units

C.

180 square units

D.

60 square units

The **rhombus **has an **area **value of 180 square units

From the question, the given parameters arr

Shape = **Rhombus**'

Base = x

Height = h

Also, from the question, we have

x = 15

h = 12

The above parameters mean that

Base = 15

Height = 12

The **area **of the **rhombus **is then calculated using the following area formula

Area = Base * Height

Substitute the known values in the above equation

This gives

Area = 15 x 12

Evaluate

So, we have the following equation

Area = 180

Hence, the **area **is 180 square units

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The **area **of the **rhombus **is 180 square units, which is the correct **answer **would be an o**ption(C)**.

The area of the rhombus is calculated as the **product **of its **height **and **base**.

The formula of the area of the rhombus is following

Area of the rhombus = Height × Base

The given **rhombus **has :

Height (h) = 12 units

Base (x) = 15 units

Area of the rhombus = Height × Base

Area of the rhombus = h × x

Substitute the **values **of x = 15 and h = 12 in the above equation

Area of the rhombus = 15 × 12

Area of the rhombus = 180 square units

Hence, the **area **of the **rhombus **is 180 square units

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