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Rudik [331]
3 years ago
9

Help me with theseee 2!! I will mark brainliestttt 9-10

Mathematics
1 answer:
Anastasy [175]3 years ago
3 0
9. 27

4x is less than or equal to 108

108/4 = 27

10. -4

Opposite of 3 is -3

12/-3 = -4
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A cylinder has a base diameter of 16 inches and a height of 18inches. What is the volume in cubic inches, of the nearest tenths
Stolb23 [73]

Answer:

3619.11 cubic inches

Step-by-step explanation:

volume of a cylinder is V=\pi r^2h

diameter is 16 in, so radius (r) is 8 in

plug in values: V=\pi 8^2(18) = 3619.11 cubic inches

8 0
3 years ago
Martin can run 3 ¾ miles in 2/3 of an hour. Write a unit rate to describe the situation and explain the context.
BigorU [14]

Answer:

5 5/8 miles per hour

Step-by-step explanation:

Martin can run 3 ¾ miles in 2/3 of an hour. Write a unit rate to describe the situation and explain the context.

We are asked to write the unit rate , this means we are to find out how many miles he can run per hour

Hence,

2/3 hour = 3 3/4 miles

1 hour = x

Cross Multiply

2/3 hour × x = 3 3/4 miles × 1 hour

x = 3 3/4 miles × 1 hour/ 2/3 hour

x = 3 3/4 ÷ 2/3

x = 15/4 ÷ 2/3

x = 15/4 × 3/2

x = 45/8

x = 5 5/8 miles per hour

4 0
3 years ago
3x+2y=3 Get y alone.
Kazeer [188]
3x + 2y = 3. subtract 3x from both sides, so you get 2y = -3x + 3 . then you divide by 2 to both sides , so you get y = -3/2x + 3/2 .
5 0
3 years ago
-1
erik [133]

Answer:

A) -1/2

Step-by-step explanation:

Rise / run

Hope this helps. Pls give brainliest.

3 0
2 years ago
Geometry. BD is tangent to circle O at C, mAEC=280, and mACE=80. Find mDCE.(The figure is not drawn to scale.)
solniwko [45]
The answer to this question is d
5 0
2 years ago
Read 2 more answers
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