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Firlakuza [10]
3 years ago
11

Tanya has a certain amount of money in her savings account. Each month, for 6 months, she deposits $50 less than her original sa

vings amount. After 6 months, she has a total of $750 in the account. How much money did she have in the account when she began adding money to it?
Mathematics
2 answers:
Anna007 [38]3 years ago
6 0
15 it’s 15 I think you divide
siniylev [52]3 years ago
6 0
I'm not for sure but i think it's 15

explanation:
750 divided by 50 = 15
15 times 50 = 750
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What is the cost of 1.25kg of cheese at $16 per kilogram?
Svetradugi [14.3K]

Answer:

$20

Step-by-step explanation:

1.25 x $16 = $20

multiply the weight by the price per weight unit (kg).

7 0
3 years ago
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Steps to solve? 4+3(12÷3)-7
Ugo [173]

Answer:

The answer is 11

Step-by-step explanation:

4+3(12÷3)-7

4+3•4-7

4+12-7

16-7

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5 0
2 years ago
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Factor to write an equivalent expression.(What is the Greatest Common Factor?).<br><br> −9x+15y
KengaRu [80]

Answer:

GCF is 3

Step-by-step explanation:

Given the expression -9x + 15y

First, we need to find ther individual factors

-9x = -3 *3 * x

15y = 3 * 5 * y

Since 3 is common to both factors

−9x+15y = 3(-3x+5y)

Hence the GCF is 3

3 0
3 years ago
Ava wants to ride her bicycle more than 75 miles this week. She has already ridden her bicycle 16 miles. Which inequality could
Whitepunk [10]

Answer:

I think it may be  5m + 16 < 75

Step-by-step explanation:

I don't know if its wrong

6 0
3 years ago
Solve by elimination:
Pie

Answer:

B (5, 13)

Step-by-step explanation:

9x + 4y = 97

9x + 6y = 123

To solve by elimination, we want to <em>eliminate</em> a variable. To do this, we must make one variable cancel out.

First, we can see that both equations have 9x. To cancel out x, we must make <em>one</em> of the 9x's <em>negative</em>. To do this, multiply <em>each term</em> in the equation by -1.

-1(9x + 6y = 123)

-9x - 6y = -123

This is one of your equations. Set it up with your other given equation.

9x + 4y = 97

-9x - 6y = -123

Imagine this is one equation. Since every term is negative, you will be subtracting each term.

9x + 4y = 97

-9x - 6y = -123

___________

0x -2y = -26

-2y = -26

To isolate y further, divide both sides by -2.

y = 13

Now, to find x, plug y back into one of the original equations.

9x + 4(13) = 97

Multiply.

9x + 52 = 97

Subtract.

9x = 45

Divide.

x = 5

Check your answer by plugging both variables into the equation you have not used yet.

-9(5) - 6(13) = -123

-45 - 78 = -123

-123 = -123

Your answer is correct!

(5, 13)

Hope this helps!

6 0
3 years ago
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