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Vlad1618 [11]
3 years ago
14

Please help me with these 2 questions. I am not good with angles

Mathematics
2 answers:
DIA [1.3K]3 years ago
8 0
They are 1st one is vertical angles, second one is complementary
dexar [7]3 years ago
5 0

Answer:

i think

1 is b

2 is d

Step-by-step explanation:

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there were twenty one adults in line at a movie theater.That is three times the number of children in line. how many children we
V125BC [204]
You would do 21 divided by 3 and get 7.

The answer is 7 kids are in the line.




Please vote my answer the brainiest if it was helpful!!








7 0
3 years ago
If the area of a circle measures 25 cm?, what is the circumference of the circle in terms of ?
daser333 [38]
The correct answer is 5 cm
7 0
3 years ago
A rectangle is bounded by the x-axis and the semicircle y = √(36 – x^2). Write the area A of the rectangle as a function of x, a
Dafna11 [192]
A(x)=2x·√36-x²
this is the answer.

8 0
3 years ago
Which of the following ordered pairs is not a solution of the system of inequalities? y > x2 – 4x – 5 y < –x2 – 5x + 6 Que
horrorfan [7]

Answer:

a) (x, y) = (1, 7)

Step-by-step explanation:

Let be the following system of inequalties:

y > x^{2}-4\cdot x -5

y < -x^{2}-5\cdot x +6

We can find the right option by evaluating each option in the system of inequalities:

a) (x, y) = (1, 7)

7 > 1^{2}-4\cdot (1) -5

7 < -1^{2}-5\cdot (1) +6

Then,

7>-8 (TRUE)

7 (FALSE)

(1, 7) is not a solution of the system of inequalities.

b) (x, y) = (1, -7)

-7 > 1^{2}-4\cdot (1) -5

-7 < -1^{2}-5\cdot (1) +6

Then,

-7 > - 8 (TRUE)

-7< 0 (TRUE)

(1, -7) is a solution of the system of inequalities.

c) (x, y) = (1, -5)

-5 > 1^{2}-4\cdot (1) -5

-5 < -1^{2}-5\cdot (1) +6

Then,

-5 > - 8 (TRUE)

-5< 0 (TRUE)

(1, -5) is a solution of the system of inequalities.

d) (x, y) = (-1, 6)

6 > (-1)^{2}-4\cdot (-1) -5

6

Then,

6>0 (TRUE)

6 < 12 (TRUE)

(-1, 6) is a solution of the system of inequalties.

Therefore, we conclude that correct answer is A.

4 0
3 years ago
The length of a rectangle is three times its width. The perimeter is 72 feet. What is the width of the rectangle in feet? A. 9 B
miskamm [114]
W=9ft.


since the with is 9 that means the length is 27.then add up the sides to get the perimeter. 9+9+27+27=72

8 0
3 years ago
Read 2 more answers
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