Mathematics Middle School

Complementary and Supplementary angles.

Complementary And Supplementary Angles.

Answers

Answer 1

Answer:

Supplementary 102° and 78°

Complemantary 78° and 12°

Step-by-step explanation:

complementary Angles add up to 90°

supplementary angles add up to 180°

Related Questions

The length-to-width ratio of a television screen is 4 to 3. Mya bought a television with a length of 60 inches. What is the width of the television?

a. 45 inches

b. inches

c. 50 inches

d. 52 inches

Answers

Answer:

A

Step-by-step explanation:

Since the first screen, the length is 4 and width is 3, you multiply until you get to 60. 4×15=60, so what is 3×15? 45.

Answer: A

Step-by-step explanation:

Length ratio = 4x

Width ratio = 3x

Length = 60

∴ So, that means, 4x = 60

x = 15

Now, Width = 3*15 = 45 inches

Option (a) is correct

Please mark me the BRAINLIEST!!

Three friends each have some ribbon. Carol has 90 inches of ribbon, Tino has 4.5 feet of ribbon, and Baxter has 4.5 yards of ribbon. Express the total length of ribbon the three friends have in inches, feet, and yards.

Answers

Answer:
Total inches: 306
Total feet: 25.5
Total yards: 8.5

Explanation:
90 inches converted to inches= 90 inches
4.5 yards converted to inches= 162 inches
4.5 feet converted to inches= 54 inches
90 + 162 + 54= 306 inches

90 inches converted to feet= 7.5
4.5 yards converted to feet= 13.5
4.5 feet converted to feet= 4.5
7.5 + 13.5 + 4.5= 25.5 feet

90 inches converted to yards= 2.5
4.5 yards converted to yards= 4.5
4.5 feet converted to yards= 1.5
2.5 + 4.5 + 1.5= 8.5 yards

Answer:

Step-by-step explanation:

Let's convert every measurement into inches for now.

90 inches = 90 inches

4.5 feet = 54 inches

4.5 yard = 162 inches

Now, 90 + 54 + 162 = 306 inches

90 inches = 7.5 feet

4.5 feet = 4.5 feet

4.5 yard = 13.5 feet

Now, 7.5 + 4.5 + 13.5 = 25.5 feet

90 inches = 2.5 yards

4.5 feet = 1.5 yards

4.5 yards = 4.5 yards

Now, 2.5 + 1.5 + 4.5 = 8.5 yards

Hope this helps

Which expression is equivalent to 9 ( w + 8)?
Group of answer choices
9w + 8
72w
17w
9w + 72
Thanks!

Answers

Answer:

9w + 72

Step-by-step explanation:

This question is for practicing the distributive property.

The 9 will distribute (like being passed out) to both the w and the 8.

9(w + 8)

= 9•w + 9•8

= 9w + 72

9w + 72

The beson above me is right

8 5/12 - 6 3/4 (be sure to simplify if necessary)

Answers

Answer: 1 8/12 or simplified as 1 2/3

Step-by-step explanation: add 1/4 or 3/12 to the question to make it 8 5/12 - 7 and then use basic facts to get an answer of 1 5/12. Plus the addition of 3/12 we added before to get your final answer 1 8/12 simplified as  1 2/3.

Step-by-step explanation:

8 5/12 - 6 3/4

convert to improper fraction

8 x 12 + 5 = 101/12

6 × 4 + 3 = 27/4

101/12 - 27/4

write all the numerators above least common denominators

101 - 81/12

20/12

cancel out the common factor of 4

5/3

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