Lin says that about 6.2 x 10^5 more people live in San Jose than in Atlanta. To find if she is right you substract the population of Atlanta from the population in San Jose:

Substraction of numbers in scientific notation:

1. Turn the numbers to get the same power of base 10.

You move to the left the decimal to increase the power of base 10 and move to the right to g

[tex]undefined[/tex]S = 1/3 x pi x r^2 + pi x r^2 x h

The solved **equation** for h is **h= S/ pi x r^2-1/3.**

The problem we are dealing with here is related to the **literal equation**, where a literal equation is an equation that comprises basically** letters**. Formulas are an illustration of strict equations. Each **variable** within the condition "truly" speaks to an important part of the full relationship expressed by the equation. To illuminate a literal equation implies modifying the equation so a different variable stands alone on one side of the** equals sign**. We got to be told which variable we need to solve.

For the given equation**,S= 1/3 x pi x r^2 + pi x r^2 x h**

for th the equation will be

=>S= pi x r^2(1/3 +h)

=>S/ pi x r^2= 1/3+h

=>**h= S/ pi x r^2-1/3**

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S = 1/3 x pi x r^2 + pi x r^2 x h , solve for h

Factoring binomials math

we have the expression

[tex]x^3-125[/tex]we have that

x=5 is a zero of the given equation

so

Divide x^3-125 by (x-5)

x^3-125 : (x-5)

x^2+5x+25

-x^3+5x^2

---------------

5x^2-125

-5x^2+25x

------------------

25x-125

-25x+125

----------------

0

therefore

x^3-125=(x-5)(x^2+5x+25)

the answer is the fourth option1. Round to the nearest thousand. Use the number line to model your thinking.

9,340=

After** rounding off **the number we get ; 9,300

When a number is rounded to the **closest thousand**, it is changed to an approximated value that is simpler to recall and utilize. The closest value to the supplied integer is this value, which is a multiple of 1000. For instance, 342984 becomes 343000 if it is rounded to the closest thousand.

So as in this question the number given is 9340

Since we have to round it off to thousands

and the number next to 9 is 3

Thus we can say that after rounding off the number will be

9,300.

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Write the augmented matrix for the system of linear equations. (Do not perform any row operations.)X- y + 4z = 46x - 8y +Z = -14x +y0:

For you to input the information in a Matix you only have to consider the coefficients corresponding to each variable in each equation, in this case the matrix is:

1 -1 4 : 4

6 -8 1 : -1

4 1 0 : 0

This is the matrix for the given equations

(d) Find the domain of function R. Choose the correct domain below.

Answer:

d

Step-by-step explanation:

The number of years must be non-negative.

This eliminates all of the options except for d.

64,32,16,8 what is the next three terms of it? (no negatives)

Notice that each new term is half the previous one. For example, 32 is half 64, 16 is half 32, and so on.

Having said that, the constant ratio is 1/2. Using this ratio we can find the next three terms.

[tex]\begin{gathered} 8\cdot\frac{1}{2}=4 \\ 4\cdot\frac{1}{2}=2 \\ 2\cdot\frac{1}{2}=1 \end{gathered}[/tex]Therefore, the next three terms are 4, 2, and 1.. What is the number of terms in this expression? m + 4.6 5 Enter your answer in the box.

Question: What is the number of terms in this expression? m/5 + 4.6

Answer:

**Two terms**

Explanation:

Addition and subtraction separate terms but division and multiplication do not, so they are two terms in the below expression;

[tex]\frac{m}{5}+4.6[/tex]**The terms are m/5 and 4.6**

The answer is 78 ft provided by my teacher, I need help with the work

ok

To solve this problem, I'll use trigonometric functions,

The trigonometric function that relates the opposite side and the hypotenuse is sine

**Formula**

sin 48 = Opposite side / hypotenuse

hypotenuse = 105 ft

opposite side = H

**Substitution**

sin 48 = H/105

**Solve for H**

H = 105*sin 48

**Simplification**

H = 105*0.743

**Result**

** H = 78 ft**

which inequality matches this situation : a number is at least 6a= x ≥ 6b= x > 6c= x ≤ 6d= x < 6

**Answer:**

**a. x ≥ 6**

**Explanation:**

If a number is at least 6, then, the number is greater than or equal to 6.

Since the symbol ≥ means greater than or equal, the correct answer is:

a. x ≥ 6

P (8, 4) is a point on a circle, centre O.

The tangent at P intersects the axes at points A and B.

a) Find the gradient, m, of the tangent.

Your final line should say, m =...

(2)

b) Find the equation of the tange the

form y = mx + c where m and c are integers. (1)

y =

X +

c) Find the coordinates of point A.

d) Work out the length of AB,

giving your answer in the form a√5 where a is an integer.

(1)

B

P (8,4)

A

5 (2)

Total marks: 6

The **equation **of tangent is y = -2x + 20. The slope of the **tangent **line is negative 2. And **coordinate **of point A is (10, 0). And the **length **of AB is 22.36 units.

The equation of the **circle **with center at origin and **radius **r is given as,

x² + y² = r²

The **slope **of the tangent line to the circle at points (8, 4) is given as,

2x + 2y (dy/dx) = 0

dy / dx = - 8 / 4

m = - 2

Then the **equation **of the line is given as,

y = -2x + c

The equation is **passing **through (8, 4), then we have

4 = -2(8) + c

c = 4 + 16

c = 20

The **equation **is y = -2x + 20. Then the **x-intercept** is given as,

y = 0

-2x + 20 = 0

2x = 20

x = 10

Then the **length** of the line is given as,

AB² = (10 - 0)² + (0 - 20)²

AB² = 100 + 400

AB = √(500)

AB = 22.36 units

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2 The half-life of a substance is defined as the period of time it takes for the amount of the

substance to decay by half. The sequence shows the amount of a substance that will remain

after a certain number of half-lives have elapsed.

1, 1/2, 1/4, 1/8

Describe this sequence.

The given sequence is

1, 1/2, 1/4, 1/8......

we can see that the ratio of the consecutive terms is the same. We have

1/2/1 = (1/4)/(1/2) = (1/8)/(1/4) = 1/2

This means that it is a geometric sequence

To find the amount of the substance left after 21 half lifes, we would find the 21st term of the sequence. The formula for finding the nth term of a geometric sequence is

an = a1r^(n - 1)

a1 = 1

n = 21

r = 0.5

Thus,

a21 = 1 * 0.5^(21 - 1) = 0.5^20

a21 = 0.00000095367

a21 = 1/1048576

The answer makes sense in the problem context because it follows the common ratio that was established at the begining.

Find the equation of the quadratic function whose graph is shown below. Given two points. Vertex= (-5,-5) Passes Through (-7,3)

Key Ideas:**Finding a quadratic equation**

*a* = vertical stretch*h* = horizontal translation*k* = vertical translation(h,k) is the vertex

Solving the Question

We're given:

Vertex= (-5,-5)Passes Through (-7,3)One of the **forms** of a **quadratic equation** is **vertex form:**

[tex]y=a(x-h)^2+k[/tex]

**Plug in the vertex:**

[tex]y=a(x-h)^2+k\\y=a(x+5)^2-5[/tex]

**Plug in the given point and solve for ****a****:**

[tex]3=a(-7+5)^2-5\\3=a(-2)^2-53=4a-5\\8=4a\\a=2[/tex]

**Plug 2 into the equation as ****a****:**

[tex]y=2(x+5)^2-5[/tex]

Answer[tex]y=2(x+5)^2-5[/tex]

What is the factored form of the polynomial?x^2 + 2x - 24

Let's try to factorize this polynomial

[tex]x^2+2x-24=(x+)(x-)[/tex]in the blank spaces we have to put numbers that multiplied are 24, and substracted are +2. So we have 6 and 4

[tex]x^2+2x-24=(x+6)(x-4)[/tex]So the factored form of the polynomial is (x+6)(x-4)

The total profit from the Spanish club fundraiser varies directly with the number of dinner tickets sold. If the sale of 14 tickets results in a profit of $175, how many tickets must be sold to reach the fundraising goal of $600?

Spanish club has 48 tickets which must be sold to reach the fund-raising goal as **profit **of $600.

**What is profit?**

In mathematics, the term **profit **can be explained as the amount which is on the standard cost price. For the **profit**, the amount of the commodity can be designed by the shopkeeper which is bigger amount as per the cost price.

According to the question, the total **profit **from the Spanish club fundraiser varies directly with the number of dinner tickets sold.

If the sale of 14 tickets results in a **profit **of : $175.

Therefore, **Profit **in 1 ticket = 175/14 = 12.5 dollars

Let us assume 'x' tickets are sold in order to reach the fund-raising goal of $600.

x = (14/175)(600) = 48

x = 48 tickets

Hence, 48 tickets must be sold to reach the fund-raising goal as **profit **of $600.

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please help I'm really stuck on this question for home work

1) If the function g(x) =-2x² +3 is translated vertically upward then we need to add 7 units, to that.

2) So the function h(x) is going to

h(x) = g(x) +7

h(x) = -2x² +3 +7

**h(x) =-2x² +10**

Mai drove 754 miles in 13 hours.

At the same rate, how many miles would she drive in 11 hours?

**Answer:**

At the same rate, she will travel 638 miles if she drives 11 hours.

**Step-by-step explanation:**

[tex]\frac{754 miles}{13 hours\\} = \frac{x}{11 hours}[/tex]

x=11*754/13

x=638

You invest $275 to start a sandwich stand and decide to charge 515 per sandwich set of a linear model that determines your profit or loss based on the number of sandwiches

The **linear model **that determines your profit or loss based on the number of sandwiches is 15y-275, where y is the number of sandwiches sold.

A continuous response variable is described as a function of one or more predictor variables in a **linear model.** They can assist you in comprehending and forecasting the behaviour of complex systems, as well as analyzing experimental, financial, and biological data. **Linear regression** is a statistical technique for developing a **linear model.**

It is given that the **investment** amount is $275.

The **charge** per sandwich is $15

So, **generated revenue**= 15 y

where y is the number of sold sandwiches.

Profit/ Loss= Revenue- total investment= 15y-275

So, the** linear model** determining the profit or loss is 15y-275, where y is the number of sandwiches.

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What is the slope of the line that passes through (2, 2) and (10, 6) ?

Enter your answer in the box.

Please help asap! I havn't got help all day

The **slope **of the **line **that passes through (2, 2) and (10, 6) is; 1/2.

**The slope **of parallel lines is the same. Slopes of **perpendicular **lines are negative **reciprocals **of each other. The slope of a line or straight object is the ratio of how much amount of rising occurs in **correspondence **to the **increment **in the run.

Its **slope **would be:

[tex]m = \dfrac{y-q}{x-p}[/tex]

We have been given that the **line **that passes through (2, 2) and (10, 6).

Let ( p,q) and (x,y) are (2, 2) and (10, 6) respectively.

**Slope **= [tex]m = \dfrac{y-q}{x-p}[/tex]

m = (2-6)/(2-10)

m = 4/8

m = 1/2

Then the slope is 1/2.

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i need help asap!!! im bad at graphing

**Points** are (1, -3)

In algebra, an **equation** is a declaration of equivalence that includes one or more variables or unknowable quantities. In mathematics, an equation is a relationship between two expressions that is expressed as an equality on each side of the equal to sign. An equation would be 3y = 16, for instance.

Given Data

Slope = -[tex]\frac{1}{2}[/tex]

**Points** (-1, -5)

The line's general equation is y=ax+b.

Since we are aware that the **slope** is -[tex]\frac{1}{2}[/tex], an is equal to -[tex]\frac{1}{2}[/tex].

We also understand that if x = -1, then y = -5.

Let's connect it:

-5=1*(-1)+b

-5=-1+b

b= -4

So, y=x -4 is the line's **equation**.

Let x = 1

y = 1 - 4

y = -3

(1, -3)

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Identify the parent function for the function g (x) = x+9 from its function rule. Then graph g and identify what transformation of the parent function it represents.

The parent function of g(x) = x + 9 is the function f(x) = x.

The function f(x) = x is **a linear function**, that is, it has degree 1 (the higher exponent of the variable x is 1).

In order to get g(x) from f(x), we can see that the function value was increased by 9 units:

[tex]g(x)=f(x)+9[/tex]Adding 9 units to the function means we have a **translation of 9 units up.**

Therefore **the correct option is the third one.**

Graphing g(x), we have:

(d) Find the domain of function R. Choose the correct domain below.

Answer:

d

Step-by-step explanation:

The number of years must be non-negative.

This eliminates all of the options except for d.

If g(x) = -4x + 5, what is the value of (g o g) (3)?

A -7

B 48

C -23

D 33

**Answer:**

A. -7

**Step-by-step explanation:**

g(x) = -4x+5

We know that g(x)= (3) so just substitute 3 for x.

g(3)= -4(3)+5

g(3)= -12+5

g(3)=-7 answer.

See question below. I am not sure how to set this up.

**Answer and Explanation:**

Let x represent the number of hours Sandy needs to work.

We can go ahead and set up the required inequality as shown below;

[tex]150<10x+20<200[/tex]Let's go-ahead and determine x by splitting the compound inequality above as shown below;

[tex]\begin{gathered} 150<10x+20 \\ 150-20<10x \\ 130<10x \\ x>\frac{130}{10} \\ x>13 \end{gathered}[/tex][tex]\begin{gathered} 10x+20<200 \\ 10x<180 \\ x<\frac{180}{10} \\ x<18 \end{gathered}[/tex][tex]13If $8^7)^2 = 2^y, what number is y?

The value of y based on the information given about the **expression** (8^7)² = 2^y is 21.

It should be noted that based on the information, the **power** rule will be essential. This will be illustrated thus:

(8^7)² = 2^y

It should be noted that 8 = 2 × 2 × 2 = 2³

Therefore, 8^7 = 2^(3 × 7) = 2^21

Therefore, the **value** of y is 21.

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In triangle XYZ, measure of angle X=152, y=15, z=19. Find x to the nearest thousandth.

In triangle XYZ, measure as shown below

Step 1: Using Cosine rule

[tex]\begin{gathered} x^2=y^2+z^2\text{ - 2yz CosX} \\ x^2=15^2+19^2\text{ - 2(15)(19)Cos 152} \\ x^2=\text{ 225+361-570 cos 152} \end{gathered}[/tex][tex]\begin{gathered} x^2=\text{ 586-570(-0.88295)} \\ x^2=586\text{ + 503.28} \\ x^2=\text{ 108}9.28 \\ x\text{ = }\sqrt[]{1089.28} \\ x\text{ = 33.004} \end{gathered}[/tex]**Hence the value of x = ****33.004**

What is the dividend when the divisor is 8 and the quotient is 96 with a remainder of 3?

The **dividend** when the **divisor** is 8 and the quotient is 96 with a remainder of 3 is 771.

The **dividend** in mathematics is the value that is divided by another value to obtain the result. The dividend is the starting point for any division method. The dividend is one of four critical components of the **division** process. It is the whole that is to be divided into equal parts.

A **divisor** of an integer n, also known as a factor of n, is an integer m that can be multiplied by another **integer** to produce n. In this case, n is also said to be a multiple of m.

In this case, the **dividend** will be:

= (96 × 8) + 3

= 768 + 3

= 771

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Will mark as brainlist

Which of the following best represents R= A - B ?

Please help, it’s due soon!

**Answer: I would say it is C**

**Step-by-step explanation: If you think about it, if you have a pencil and the pencil is in A form, and you have to put it to B form, it kinda makes sence. BUT, I honestly don't know, so don't trust me...**

** GL LUCK THO AND GOD BLESS**

Far from home: A survey asked first-year college students, “How many miles is this college from your permanent home?” Students had to choose from the following options: 5 or fewer, 6 to 10, 11 to 50, 51 to 100, 101 to 500, or more than 500. The side-by-side bar chart shows the percentage of students at public and private 4-year colleges who chose each option.

The average distance between students in **public** is** smaller** than that in **private.**

While the data for the public appears to closely follow a **bimodal distribution,** the data for the private appears to be **negatively skewed, **meaning that the tail is lopsided to the left. However, it might be nearly symmetrical. While the modal class for the public is 11–50, it is 101–500 for private.

While the mean for **public data** is close to 50, it is close to 100 for private data.

Therefore, it is clear from the graphs that students' **average distances **from Public are **closer **than those from Private.

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What is the slope of a line perpendicular to the line whose equation is x+4y=16. .

**Answer:**

The slope is [tex]-\frac{1}{4}[/tex].

**Step-by-step explanation:**

This is the slope formula equation.

[tex]y=mx+b[/tex]

[tex]x+4y=16[/tex]

First, you divide the entire equation by 4 to get rid of the 4 in 4y.

[tex]\frac{x}{4} +y=4[/tex]

Then, you subtract [tex]\frac{x}{4}[/tex] on both sides.

[tex]y=-\frac{x}{4} +4[/tex]

In front of the x should be and invisible 1. So this should be your slope.

[tex]m=-\frac{1}{4}[/tex]

Write the curve equation associated to those parametric equations.x(θ) = 3 cos θy(θ) = 6 sin θ

We want to rewrite the following parametric equations

[tex]\begin{gathered} \begin{cases}x={3\cos\theta} \\ y={6\sin\theta}\end{cases} \\ \frac{\pi}{2}<\theta<\frac{3\pi}{2} \end{gathered}[/tex]as one equation. Using the following property

[tex]\sin^2\theta+\cos^2\theta=1[/tex]We can eliminate the parameter theta adding the square of the coordinates

[tex]\begin{gathered} \sin^2\theta+\cos^2\theta=1 \\ 6^2(\sin^2\theta+\cos^2\theta)=6^2 \\ 6^2\sin^2\theta+6^2\cos^2\theta=6^2 \\ (6\sin\theta)^2+(6\cos\theta)^2=6^2 \\ (6\sin\theta)^2+(2\cdot3\cos\theta)^2=6^2 \\ (y)^2+(2x)^2=6^2 \\ y^2+4x^2=36 \\ \frac{x^2}{9}+\frac{y^2}{36}=1 \end{gathered}[/tex]And this is the standard equation of an ellipse

[tex]\frac{x^{2}}{9}+\frac{y^{2}}{36}=1[/tex]The constrain

[tex]\frac{\pi}{2}<\theta<\frac{3\pi}{2}\implies x<0[/tex]tells us that** x **can only assume negative values, therefore, the graph is only the left side of the ellipse.

If f (x) = x2 2 x , g (x) = x 21) prove that : f(2) = g(2)2) If g (K) = 7 , find : the value of k
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