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AlexFokin [52]
4 years ago
9

Can anyone please help me?

Mathematics
2 answers:
Ket [755]4 years ago
8 0
Angle 3 equals angle 2. They are not supplementary.
meriva4 years ago
7 0
Answer c 


this is for 20 characters
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PLZ HELP 50 POINTS AND BRAINLIEST
Roman55 [17]

Answer:

adjacent and supplementary

Step-by-step explanation:

∠ 1 and ∠ 2 are next to each other, that is adjacent.

∠ 1 and ∠ 2 form a straight angle and are supplementary.

5 0
3 years ago
Read 2 more answers
Select all of the following that are quadratic equations. 7x2 + 14x = 0 x3 - 3x2 + 1 = 0 5x - 7 = 0 x2 + 3x -5 = 0 x - 5 = 9x +
Tpy6a [65]

Answer:

7x2 + 14x = 0

x2 + 3x -5 = 0

x2 - x = 3x + 7  

Step-by-step explanation:

A quadratic equation has the highest power of x to the second power.  It must have x to the second power

7x2 + 14x = 0  quadratic

x3 - 3x2 + 1 = 0   not quadratic  but cubic

5x - 7 = 0  not quadratic  but linear

x2 + 3x -5 = 0   quadratic

x - 5 = 9x + 7  not quadratic but linear

x2 - x = 3x + 7  quadratic

4 0
3 years ago
The scale of Miguel's dollhouse is 1in.=2 2/7ft. If the pants of the military uniform of the father in the dollhouse are 1 2/5 i
Eva8 [605]

Answer:

3 1/5 ft

Step-by-step explanation:

We can set up a proportion:

\frac{1}{2\frac{2}{7} } =\frac{1\frac{2}{5} }{x} , where x is how long the pants are in real life

Cross multiply:

x = (2 2/7) * (1 2/5)

It's easier if we have improper fractions, so convert the mixed numbers into improper fractions:

2 2/7 = 16/7

1 2/5 = 7/5

Now, put these back in:

x = (16/7) * (7/5) = 16/5 = 3 1/5

Thus, in real life, the pants would be 3 1/5 ft long.

Hope this helps!

5 0
3 years ago
Read 2 more answers
Kari has a box with brand new pencils that are all the same size. She has 1 yellow pencil, 5 blue pencils, and 5 red pencils. Sh
Lana71 [14]

Answer: 9

Step-by-step explanation:

1+5+5-2

4 0
3 years ago
What is the volume of a right circular cylinder with a radius of 5 cm and a height of 12 cm?
aalyn [17]

Answer:

942.48

Step-by-step explanation:

use the formula v=bh

step 1:find base use the formula to find the area of the circle

step 2:then multiply your answer of base with your height

like this \pi5^{2}then 78.59(12)

4 0
4 years ago
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