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11111nata11111 [884]
3 years ago
5

What is the equation that can be used to find the number of dollars he paid per hour of labor

Mathematics
1 answer:
Elan Coil [88]3 years ago
7 0
120 + 5d = 445 <==

** parts + labor = 445
p = 120
labor = 5 hrs * d...where d is cost per hr
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Select the simplification that accurately explains the following statement.
Mariana [72]

<u>Answer</u>

D


<u>Explanation</u>

9⁽¹/²⁾² =  (9⁽¹/²⁾)²

        = 9¹/² × 9¹/²           (Since the base are the same, we can add the power.)

         = 9⁽¹/² ⁺¹/²⁾

         = 9 ¹

           = 9

The correct simplification is D.

8 0
3 years ago
I need help plz help me !!
elena-14-01-66 [18.8K]

Answer:

110

Step-by-step explanation:

y = 11/6x where x is in minutes

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Andrews [41]

Answer:

-6.3

Step-by-step explanation:

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4 0
3 years ago
Bess has $2.80 in quarters and dimes. The number of dimes is 7 less than the number of quarters. Find the number of quarters and
Nezavi [6.7K]

Answer:

3 dimes and 10 quarters

Step-by-step explanation:

If you add 7 dimes, then the number of dimes and quarters is the same, and the total increases to $3.50. A dime and a quarter have a value together of $0.35. Since there are equal numbers, the value $3.50 must be made up of some quantity of groups with a value of $0.35. That number of groups must be ...

... $3.50/$0.35 = 10

Thus, there are 10 quarters and 10-7 = 3 dimes.

_____

<em>Using an equation</em>

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... 0.35q - 0.70 = 2.80

... 0.35q = 3.50 . . . . . add 0.70 . . . . . . . this should look familiar

... q = 3.50/0.35 = 10

4 0
3 years ago
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Talja [164]
The answer is 1 and 3. 
6 0
3 years ago
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