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svet-max [94.6K]
3 years ago
9

Irish $900 she spent 22% of this I’m out on the mobile phone how much did you pay for the mobile phone

Mathematics
2 answers:
Zanzabum3 years ago
7 0
 22% off $900 is equal to (22 x 22) / 100 = 198....
Alinara [238K]3 years ago
3 0

Answer:

198

Step-by-step explanation:

Of means multiply and 22% as a decimal is 0.22, so multiply 0.22 by 900.

900*0.22=198

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The points (2, r) and (5, -9) lie on a line with slope – 2. Find the missing coordinate r.
Veseljchak [2.6K]

Answer:

-3

Step-by-step explanation:

5-2 is three

3 times -2 is -6

-9-(-6) is -3

(2,-3)

3 0
2 years ago
Solve for y in the following equation.
Tju [1.3M]

Answer:

y = \frac{z^2 - x}{2}

Step-by-step explanation:

Given:

\sqrt{x + 2y} = z

Required:

Solve for y (make y the subject of the formula)

SOLUTION:

\sqrt{x + 2y} = z

Square both sides

(\sqrt{x + 2y})^2 = z^2

x + 2y = z^2

Subtract both sides by x

2y = z^2 - x

Divide both sides by 2

y = \frac{z^2 - x}{2}

5 0
3 years ago
a rectangle has a length of 15 inches less than 5 times it’s width. If the area of the rectangle is 2750 square inches. what is
irakobra [83]

let L = length and let W = width.

Use the equations 2L + 2W = 2750

and L = 5W + 15

Then do the steps as follows -

1. Plug the equation for what L equals into the first equation

2(5W+15) + 2W = 2750

2. Then distribute the 2

10W + 30 + 2W = 2750

3. Then add like terms

12W + 30 = 2750

4. Then subtract 30 from both sides

12W = 2720

5. Divide by 12 on both sides

W = 226.67

6. Then plug that into the second equation

L = 5(226.67) + 15

L = 1148.35 should be the answer


4 0
3 years ago
2 months ago, Blake used his credit card for a transaction of 400 dollars. The bank charges a rate of interest of
marta [7]
$206.27 per month is needed to payoff the balance in 2 months. Total interest is $12.54.
3 0
3 years ago
Read 2 more answers
6. Write the equation that represents the points in
luda_lava [24]

Answer:

0. | 2

Step-by-step explanation:

I took (0.2) and made an equal sign and gave me 0. | 2

3 0
3 years ago
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