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2 years ago

Please someone help i dont know this :(

Mathematics

2 answers:

zhuklara [117]2 years ago

7 0

Answer:

none of the above

Step-by-step explanation:

Vertical angles are opposite angles made by intersecting lines

a and b are not vertical angles no

Complementary angles - two angles that add to 90 degrees

b is 90 degrees by itself no

Supplementary angles - two angles that add to 180 ( would make a straight line)

a and b do not form a straight line they are not vertical angles - no

Nezavi [6.7K]2 years ago

4 0

Answer:

Step-by-step explanation:

Complementary angles add up to 90 and Supplementary angles add up to 180

90 < a + b < 180

So, neither complementary nor Supplementary

Clearly they aren't vertical angles either

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schepotkina [342]

Answer:

3.56 cm.

Step-by-step explanation:

1/3 π r^2 h = V

1/3 π (5.13)^2 h = 98

h = 98 / (1/3 π (5.13)^2)

= 98 / 27.55899

= 3.556.

3 0

2 years ago

What is the simplest form of this expression?

Dimas [21]

Answer:

(4-m-1)-5

Remove the bracket

= 4-m-1-5

= -2-m

Hope this helps.

7 0

3 years ago

at a community college a survey was taken to determine where students study on campus. Of the 270 students surveyed, it was dete

babymother [125]

Answer:

177

Step-by-step explanation:

Although it says that 82 studied in both, the question is aksing for ONLY at the library. It says that of the 270 surveyed, 177 study at the library.

This means that 65.56% of the students studied at the library primarely.

8 0

2 years ago

Read 2 more answers

Which of the following are expressions? Check all that apply.

Ainat [17]

Answer:

3 + x

the difference of x and 8

Step-by-step explanation:

u need a number, a varible(letter), and a [+, -, /, x(*)]

5 0

3 years ago

How me solve this problem please

Cerrena [4.2K]

Answer:

3 3/4

Step-by-step explanation:

The area of rectangle patio=5 5/8

Length=1 1/2

5 5/8 divided by 1 1/2= 3 3/4

8 0

1 year ago