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Ganezh [65]
2 years ago
13

The television repair charge at "We Fix TVs" is $20 per hour plus a $50 flat fee charge. The television repair charge at "Electr

onic Depot" is $40 per
hour with no flat fee. Write a system of equations to model the charges for each repair shop.
Mathematics
1 answer:
spin [16.1K]2 years ago
8 0

Answer:

mine all day

Step-by-step explanation:

speeedruu8un

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The formula for the rate at which water is flowing is R=v/t, where
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The answer is b I hope I could help
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If the sum of two prime numbers is 999 what is their product
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999.999 because if one is 99 the other would make it 9999
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Ron estimates that each crate of apples he buys from his supplier has 120 apples. The actual number is 105 apples. Which value i
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14%

Step-by-step explanation:

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3 years ago
Read 2 more answers
How do you find the general solution for cos2A=cos^2A
eduard

Answer:

A =  0 +/- nπ radians ,  where n is an integer.

Step-by-step explanation:

cos 2A =  cos^2 A

Use the identity cos 2A = 2 cos^2 A -1  :

2cos^2 A - 1 = cos^2 A

cos^2 A = 1

Cos A = +/-1

When cos A = 1,  A = 0 +/- 2nπ radians.

when cos A = -1, A = π +/- nπ radians.

6 0
2 years ago
the ratio of number of girls and boys in a class of 30 students is 7:8. if 5 new boys students admit in the class. what will be
Stells [14]
<h3>Given:</h3>

The ratio of number of girls and boys in a class of 30 students is 7:8

<h3>To Find:</h3>

The ratio of number of girls and boys if 5 new boys admit in the class.

<h3>Assumption:</h3>

Let the number of students be x.

<h3>Solution:</h3>

According to the question,

7x + 8x = 30

or, 15x = 30

or, x = \large {\tt {\frac{30}{15}}}

or, x = 2

7x = 7(2) = 14

8x = 8(2) = 16

There were 14 boys and 16 girls in the school.

After admitting 5 new boys, we get

14 + 5 = <u>19</u>

The ratio of number of girls and boys now is 16:19.

<h2>Answer:</h2>

<u>1</u><u>6</u><u>:</u><u>1</u><u>9</u>

5 0
3 years ago
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