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Ainat [17]
3 years ago
8

Please answer these 2 questions

Mathematics
1 answer:
Mamont248 [21]3 years ago
3 0

Answer:

FINE ITS A AND B

Step-by-step explanation:

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Two complementary angles are in the ratio 7:8. What is the measure of the larger angle?
yan [13]

Answer

<h3>48°</h3>

Step-by-step explanation:

We know that sum of complementary angle adds to 90°

Let the angles be 7x and 8x

<u>First </u><u>of </u><u>all,</u><u> </u><u>finding </u><u>the </u><u>value </u><u>of </u><u>x</u>

\sf{7x + 8x = 90 °}

Collect like terms

⇒\sf{15x = 90 °}

Divide both sides of the equation by 15

⇒\sf{ \frac{15x}{15}  =  \frac{90}{15} }

Calculate

⇒\sf{x = 6 °}

The value of X is 6°

<u>Now,</u><u> </u><u>substituting </u><u>/</u><u> </u><u>Replacing</u><u> </u><u>the </u><u>value </u><u>of </u><u>x</u>

⇒\sf{7x = 7 \times  6 = 42}

⇒\sf{8x = 8 \times 6 = 48}

The measure of larger angle is 48°

Hope I helped!

Best regards!!

5 0
3 years ago
Lawns by Brawns uses 13 ounces of fertilizer for 6.5 acres. Assume the company is fertilizing 0.5 of an acre. How much fertilize
notsponge [240]
13 for 6.5
X for 0.5
0.5/6.5*13=1
1 ounce for 0.5 arce
5 0
3 years ago
Rugs sell for 8$ per square foot. Beth bought a 9-foot-long rectangular rug for $432. How wide was the rug?
lawyer [7]
If you know the rugs sell for 8$ per square foot and the total spend was $432. You divide 432 by 8 to find the total number of square foot of the rug. Which is 54. To find total square foot you find the area. So the area of a rectangle is L*W. So 54 = 9*width. So just divide 54 by 9 and you get the width of the rug. The width is 6 foot. Now you check. A nine by 6 rugs square foot is 54. and then times by 8 and you get 432 total. So you know the rug is 6 foot wide. :)
5 0
4 years ago
A rectangular prism has a height of 12 centimeters and a square base with sides measuring 5 centimeters. A pyramid with the same
Varvara68 [4.7K]
Volume of prism = 5 x 5 x 12 = 300 cubic centimeters

Volume of pyramid = 5 x 5 x 6 = 150 cubic centimeters

Volume of space = 300 - 150 = 150 cubic cm
5 0
3 years ago
Read 2 more answers
4 students where is scheduled to give book reports in 1 hour. After the first report 2/3 hour remaind. The next two reports took
Julli [10]
When adding fractions you need a common denominator so lets look at what "fractions" we are dealing with:2/3 1/6 and 1/4.

5 0
3 years ago
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