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3 years ago

14

A computer company uses the function f(h) = 50h + 75 to calculate the total repair bill, f(h), for h number of hours worked. Fin

d h if f(h) = $275

2 answers:

lesantik [10]3 years ago

6 0

Answer:

h = 4

Step-by-step explanation:

create the equation:

275 = 50h + 75

subtract 75 from both sides:

200 = 50h

divide both sides by 50:

h = 4

Vesna [10]3 years ago

3 0

H=4 because 50x4=200+75 is 275

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2 years ago

Alchen [17]

The area of the triangle PQR is 17.6 square units.

Explanation:

Given that the sides of the triangle are PQ = 12 and PR = 3 and $m\angle P = 78^{\circ}$

We need to determine the area of the triangle PQR

<u>Area of the triangle:</u>

The area of the triangle can be determined using the formula,

$\text {Area}=\frac{1}{2} qr \sin P$

Substituting the values, we get,

$\text {Area}=\frac{1}{2}(12)(3) \sin 78$

Simplifying, we have,

$\text {Area}=\frac{1}{2}(36)(0.98)$

Multiplying the terms, we have,

$\text {Area}=\frac{35.28}{2}$

Dividing, we get,

$\text {Area}=17.64$

Rounding off to the nearest tenth, we have,

$Area=17.6$

Thus, the area of the triangle PQR is 17.6 square units.

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3 years ago

Read 2 more answers