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Neko [114]
3 years ago
13

1. When simplified, 17a - 14b - 20a - 2b is equal to

Mathematics
1 answer:
lozanna [386]3 years ago
3 0

Answer:

- 3a -16b

Step-by-step explanation:

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A chemist is using 336 milliliters of a solution of acid and water. If 16.4% of the solution is acid, how many milliliters of ac
RUDIKE [14]

Answer:

Amount of acid = 55.1 mm (Approx)

Step-by-step explanation:

Given:

Amount of solution = 336 mm

Percentage of acid = 16.4%

Find:

Amount of acid

Computation:

Amount of acid = Amount of solution x Percentage of acid

Amount of acid = 336 x 16.4%

Amount of acid = 55.1 mm (Approx)

7 0
3 years ago
Devin made 30 custom t-shirts to sell.He will donate 1/8 0f his total sales to a local charity. He sold all 30 t-shirts for $18
V125BC [204]

Answer:

Devin will donate <u>$67.5</u> to charity.

Step-by-step explanation:

Given:

Devin made 30 custom t-shirts to sell.

He will donate 1/8 0f his total sales to a local charity.

He sold all 30 t-shirts for $18 each.

Now, to find the amount Devin donate to charity.

Total number of t-shirts = 30.

Each t-shirts sold at = $18.

So, total amount of 30 t-shirts sold:

30\times 18

=\$540.

As, Devin will donate \frac{1}{8} of his total sales to a local charity.

Now, to get the amount he will donate to charity:

\frac{1}{8} \ of\ \$540\\\\=\frac{1}{8} \times 540\\\\=\frac{540}{8}\\\\=\$67.5.

Therefore, Devin will donate $67.5 to charity.

5 0
4 years ago
Enter you answer and show all the steps that you use to solve this problem in the space provided.
Goshia [24]

Answer:

Y=38  

X=142      

Z=142

Step-by-step explanation:

Not sure about z but I know Y and X are right I hope sorry

5 0
3 years ago
Pieter wrote the equation 7h – 5(3h – 8) = –72 to model the number of hours it takes to dig a well to a level of 72 feet below s
marissa [1.9K]

Answer:14

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Find the length of a using the Pythagorean theorem
nekit [7.7K]

Answer:

a = 12

Step-by-step explanation:

a² + 9² = 15²

a² = 15² - 9²

a² = 225 - 81

a² = 144

take the square root of both sides

a = 12

7 0
3 years ago
Read 2 more answers
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