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3 years ago

I need help with his problem.

Mathematics

1 answer:

Anna [14]3 years ago

6 0

Since 36,189 falls between 36,150 and 36,200 use 4980. 4980-3825=1,155 The answer is b) $1,155

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In right triangle ABC, if angle A is 90 degrees, angle C is 34 degrees, and AC is 71.4, find BC.

AURORKA [14]

We are given that

In right triangle ABC, if angle A is 90 degrees, angle C is 34 degrees, and AC is 71.4, find BC.

Solution

We will first draw a diagram to illustrate the information

Above we want to find x

The method to use is SOHCAH

From the right angle triangle above we have above, we have the adjacent side and we want to find the hypotenus, so we use cosine

i.e

$\cos 34=\frac{71.4}{x}$

We need to solve for x here

$\begin{gathered} x=\frac{71.4}{\cos 34} \\ x=86.12396152 \\ x=86.1\text{ (to the nearest tenth)} \end{gathered}$

Thus, |BC| = 86.1 (to the nearest tenth

8 0

1 year ago

Robert is putting new roofing shingles on his house. Each shingle is 1 2/3 feet long. The north part of the house has a roof lin

Mariana [72]

Answer: 36 shingles can be placed on the north part of the house.

Step-by-step explanation:

Given: Length of each shingle = $1\dfrac23$ feet = $\dfrac53$ feet.

The north part of the house has a roof line that is 60 feet across.

Then, the number of shingles can be placed on the north part of the house = (Length of roof line in north part) ÷ (Length of each shingle)

$=60\div \dfrac{5}{3}\\\\=60\times\dfrac{3}{5}\\\\=12\times3=36$

Hence, 36 shingles can be placed on the north part of the house.

3 0

3 years ago

Kevin works for a company which produces printers. A printer sells for $163.95 and costs $48.28 to produce. In one month, Kevin’

victus00 [196]

Answer:

Option D $26,792

Step-by-step explanation:

When producing 427 printers, the cost of production is 427*$48.28=$20,615.56

When selling each printer, profit per printer is $163.95 - $48.28= $115.67

Total money after selling the 427 printers is 427*$163.95 =$70006.65

Subtracting cost of production from value of sales we deduce

$70006.65-$20,615.56=$49391.09

Non-profit overhead expenses will be the difference between the expected profit and the actual profit earned

$49391.09 -$22,599.09.=$26,792

Therefore, option D, $26,792 is the right choice

3 0

3 years ago

Figure pqrst is the image of figure abcde.use the diagram to solve problems 1 and 2

Mice21 [21]

Answer:

z8if8zvoficjgcitxjfxtcitczdfkzicdutfc

7 0

3 years ago

Please help me with my math homework

Sidana [21]

I hope it helps :DD You can leave a comment if you do not understand :)

7 0

2 years ago

Read 2 more answers