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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 you are selling bag of candy would you want ti sell the candy in ounces or pounds? Explain.
7nadin3 [17]
You would want to sell the bag of candy in ounces, unless you have way too much candy.
8 0
3 years ago
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2(x-5)=3(x+7) Show the process, please.
chubhunter [2.5K]

Answer:

-31

Step-by-step explanation:

(2×x) - (2×5) = (3×x) + (3×7)

2x-10 = 3x+21

2x-3x = 21+10

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therefore, x = -31

5 0
3 years ago
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Solve the system of equations using row operations. Write your answer in the form (x, y).
Sonja [21]

Answer:

(5, - 4 )

Step-by-step explanation:

Given the 2 equations

2x + 3y = - 2 → (1)

3x - y = 19 → (2)

Multiplying (2) by 3 and adding to (1) will eliminate the y- term

9x - 3y = 57 → (3)

Add (1) and (3) term by term to eliminate y

(2x + 9x) + (3y - 3y) = (- 2 + 57), that is

11x = 55 ( divide both sides by 5 )

x = 5

Substitute x = 5 into either of the 2 equations and solve for y

Substituting into (1)

2(5) + 3y = - 2

10 + 3y = - 2 ( subtract 10 from both sides )

3y = - 12 ( divide both sides by 3 )

y = - 4

Solution is (5, - 4 )

8 0
3 years ago
Pls help, SHOW WORKINGS/ explain
scoray [572]

Answer:

C. corresponding angles

Step-by-step explanation:

I think this because 1 and 5 are on the same side and they're angles formed by the transversal line that cuts across

6 0
3 years ago
4t- 2=14 what is t<br> Could you please show your work
miskamm [114]

Answer:

your answer is 4 = t

Step-by-step explanation:

add 2 to 14 then divide the 4 to the 16 then you get your answer

6 0
2 years ago
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