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Tresset [83]
3 years ago
12

Grace earns $7 for each car she washes. She always saves$25 of her weekly earnings. This week she wants to have at least $65 in

spending money. At least how many cars must she wash?
Mathematics
1 answer:
lidiya [134]3 years ago
7 0
Hi!
I think Grace needs to wash at least 6 cars. Please tell me if I'm wrong.

Thank you
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If the nth term of the sequence -1 , 4, 9, 14..... Is 129. Then find the value of n. ​
Leya [2.2K]

Answer:

27

Step-by-step explanation:

129-(-1) = 130

130/5 = 26

26+1 = 27

8 0
3 years ago
Read 2 more answers
What is the solution to the system of equations?
Natalka [10]

Answer:

x = 1    y = 3    z = 1

Step-by-step explanation:

(1)  x - 3y - z = -9           (2)   -2x + y + 2z = 3        (3)   2x + y + 3z = 8

                                2x(1)     <u>2x - 6y - 2z = -18</u>      (2)  <u>-2x + y + 2z = 3</u>

                                                 - 5y = -15                           2y + 5z = 11

                                                      y = 3                            2(3) + 5z = 11

                                                                                            6 + 5z = 11

                                                                                                  5z = 5

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       x - 3(3) - 1 = -9

       x - 9 - 1 = -9

            x - 10 = -9

            x = 1

Note:  If you write your equations across your paper, then the work can just flow down the paper.  It makes it so much easier to show the work you have done.  OK?

5 0
2 years ago
Functions and Transformations
DaniilM [7]

The new translated function will be more towards the origin , as the value of length is decreased , Option C is the right answer.

<h3>What is a Function ?</h3>

A function is a mathematical statement used to relate a dependent and an independent variable.

It is given that

Area of a Rectangle is 10 sq. unit

Width of the Rectangle is x unit

Length is given by  

l(x) = 10 / x

When the length of the Rectangle is increased by 1 ,

The new function will be

l(x) = 10 /(x+1)

The new translated function will be more towards the origin , as the value of length is decreased ,

This is represented by Graph 3 ,

This can be proved by keeping the value of x

let x = 2

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This is only in the graph 3 , Therefore Option C is the right answer.

To know more about Function

brainly.com/question/12431044

#SPJ1

6 0
1 year ago
Tan 2t=0 on an interval [0,2pi) solve and simplify
sasho [114]
There an infinite number of solutions that can be generated by giving different values
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3 years ago
On babylonian tablet ybc 4652, a problem is given that translates to this equation: x (x/7) (1/11) (x (x/7)) = 60 what is the so
Yanka [14]
Thanks for posting your question here. The answer to the above problem is x = <span>48.125. Below is the solution:
</span>
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x = x/1 = x • 7/7
x <span>• 7 + x/ 7 = 8x/7 - 60 = 0
</span>x + x/7 + 1/11 <span>• 8x/7 - 60 = 0
</span>8x <span>• 11 + 8x/ 77 = 96x/ 77
</span>96x - 4620 = 12 <span>• (8x-385)
</span>8x - 385 = 0
x = 48.125


5 0
3 years ago
Read 2 more answers
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