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Anna007 [38]
2 years ago
15

Please help me i need it right now

Mathematics
2 answers:
Leno4ka [110]2 years ago
8 0
The center points , so the ones with a full line divide by 2
Romashka-Z-Leto [24]2 years ago
4 0

Answer:

5 - 25.13 cm

6 - 282.74 cm

7 - 13.19 mi

8 - 6.28 cm

Step-by-step explanation:

circumference = radius x pi x 2

to find radius just divide the diameter by 2

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If l || m, classify the marked angle pair and give their relationship, then solve for X.
pickupchik [31]
Alternate exterior angles(AEA).
Given their relationship the angles are congruent.
8x-71=5x+7
3x-71=7
3x=78
X=26
6 0
2 years ago
2x + 3y = 2<br> y = {x+3
FrozenT [24]

The solution of the system is (-2,2)

Step-by-step explanation:

a solution is a system of equations intersecting.

on the graph you can see that the lines intersect at (-2,2)

8 0
2 years ago
Find the length of CD
zhuklara [117]
Answer: CD=18

Explanation: Use the side-splitter theorem and solve.

1) (3/x)=(4.5/(x+6)), cross multiply and solve for x
2) 6x+36=9x
3) x=12
4) Solve for CD
5) (12)+6=18
4 0
2 years ago
What is the surface area of the rectangular prism?
azamat

Answer:

its 288 if u search formula for surface area of a rectangular prism

Step-by-step explanation:

4 0
3 years ago
Rin spends $20 every week on drum lessons.
mihalych1998 [28]

Answer:

A, B, D and F.

Step-by-step explanation:

Rin spends $20 every week on drum lessons.

If:

d = total amount of dollars Rin spends

w = number of weeks

Then: d=20w

w is the independent variable while d is the dependent variable. A change in w will lead to a change in d. Therefore:

(A)The independent variable causes a change in the  dependent variable.

(B)The equation is d = 20w.

From the equation: d=20w

When w=1, d=$20

When w=2, d=$40

When w=3, d=$60

When w=4, d=$80

This tallys with the values in Option  F.

Therefore:

(D)As the number of weeks increases, the total dollars  Rin spends increases.

The correct options are: A, B, D and F.

4 0
3 years ago
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