Keisha needs to save $331 to earn money she plans to babysit in charge $11 per hour right to estimates Keisha could use to determine how many hours she needs to babysit

Answers

Answer 1

Answer: we can calculate the number of hours she needs to babysit by the rule of three.

1 hour--------------------$11
x---------------------------$331

x=(1 hour x x$331) / $11=30.0909.... hours≈31 hours

She needs to work 31 hours.

Answer 2

Answer: 31 hours to get $341

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What do you have to multiply a million by to get to a billion

Answers

1,000,000 * 1,000 = 1,000,000,000

English >one million times one thousand equals One Billion

Final answer:

To convert million to billion, you would multiply by 1000.

Explanation:

To multiply a million by a billion, you would have to multiply it by 1000. This is because a billion is equal to one thousand million. So, to convert million to billion, you multiply by 1000.

Learn more about Converting million to billion here:

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The sun of two number is 23. Their difference is 9. Write a system of equations to represent the situation. What are the two numbers?

Answers

Let one number be x
and second number be y
ATQ
x + y = 23 ---> 1st equation
similarly,
x - y = 9 ----> 2nd equation
( adding y on both sides )
x = 9 + y -----> 3rd equation
Substituting 3rd equation in 1st equation or substituting value of x in 1st equation.
9 + y + y = 23
( adding like terms on each side)
9 + 2y = 23
( subtracting 9 from both sides)
2y = 23 - 9
2y = 14
( Dividing 2 from both sides )
y = 7

Substituting value of Y in 1st equation
x + 7 = 23
( subtracting 7 from both sides )
x = 16

So, two numbers are 7 & 16
or
x = 16 & y = 7

Hope this helps you :)

x+y=23
x-y=9
subtract the second from the first and you get 2y=14
Divide 2 from both side so y=7
and since x+7=23, x=16
so the final answer is x=16, y=7

Match the like terms.Question 1 options:

6a²

-5x³

a

-x

7y

-12x²

1.
8x²

2.
-2a

3.
15x³

4.
1x

5.
a²

6.
12y

Answers

Step-by-step explanation:

12y with 7y

Which function has the greatest rate of change?A.
6x – 7y = 21

B.
y = 2x – 2

Answers

Rate of change is the slope.

6x - 7y = 21

Convert to slope-intercept form(y = mx + b):

Subtract 6x to both sides:

-7y = -6x + 21

Divide -7 to both sides:

y = 6/7x - 3

Now it's in the form of y = mx + b, where 'm' is the slope. So the slope here is 6/7.

y = 2x - 2

This is already in slope-intercept form, so the slope here is 2.

For function C, take any two points and plug them into the slope equation.

m = y2-y1/x2-x1

(2, 7)
(3, 1)

m = (1 - 7)/(3 - 2)

m = -6/1

m = -6

So the slope of function C is -6.

(1, 2) and (-1, -4)

m = y2-y1/x2-x1

m = (-4 - 2)(/(-1 - 1)

m = -6/-2

m = 3

So function D has the highest rate of change.

*** Function C and D information based on the comments below ***

A rectangle has an area of 30 m² and a perimeter of 34 m. What are the dimensions of the rectangle?

Answers

15 AND 2.
BECAUSE 15+15+2+2=34
and 15×2= 30

.P.S. PHANTOM SNIPERS

Help!!! which are the solutions of the quadratic equation? x^2=19x + 1

Answers

The second answer is correct.

the second answer is correct

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