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2 years ago

Two complementary angles have measures of ( 4x+5) and (2x+7) . What is the value of x?!

Mathematics

1 answer:

STALIN [3.7K]2 years ago

4 0

Answer:

(4x+5)=57 (2x+7)=33

Step-by-step explanation:

So, if a complementary angle is 90, our equation is (4x+5)+(2x+7)=90, and we get 13, so x=13, and we put that into our equation, so our first equation is now

Our first solution is (4(13)+5), which equals 57, and our second model is (2(13)+7), which equals 33, hence the angles' degrees are 57 and 33.

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Question 12

soldi70 [24.7K]

The question is incomplete! Complete question along with answer and step by step explanation is provided below.

Question:

The tank for a car holds 17 gallons. The gasoline gauge shows the tank is 3/4 full. How much gas is still in the tank?

Give your answer as a whole number or as a mixed fraction reduced to lowest terms.

Answer:

$Gas \: \:left = 12 \frac{3}{4} \: \:gallons \\\\$

Step-by-step explanation:

The tank for a car holds 17 gallons.

The gasoline gauge of the car shows that the tank is 3/4 full.

We are asked to find the remaining gasoline in the tank.

$Gas \: \:left = \frac{3}{4} \times 17 \\\\Gas \: \:left = \frac{51}{4} \\\\Gas \: \:left = 12 \frac{3}{4} \: \:gallons \\\\$

Therefore, the remaining gas in the tank is $12\frac{3}{4}$ gallons.

Alternatively:

$1 - \frac{3}{4} = \frac{1}{4}$

Amount of gasoline consumed = $\frac{1}{4} \times 17 = \frac{17}{4}$

Amount of gasoline left = total - consumed

Amount of gasoline left = $17 - \frac{17}{4} = 12\frac{3}{4} \:\: gallons$

6 0

3 years ago

The scale in the drawing is 2 inches : 3 feet. What are the length and width of the actual room? *

patriot [66]

drawing isn't shown, pls take a screenshot or photograph the exercise

5 0

2 years ago

FREE BRAINLIEST!! ill also answer questions that you have posted if you answer correctly!!!! (22pts)

GenaCL600 [577]

Answeri think its b lmk if im right or wrong :)

Step-by-step explanation:

8 0

3 years ago

A new cell phone cost $85, and the sales tax is 9%. What is the amount of the sales tax

elixir [45]

The sales tax is $7.67

In total, with the sales tax, the phone would be $92.65

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3 years ago

Solve for the variable: 3x + 3 = 36 11 12 13 33

Andrei [34K]

The Answer Is A)11

Explanation: Subtract 3 From Both Sides By 3 Then Divide By 3

3 0

3 years ago

Read 2 more answers