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son4ous [18]
3 years ago
15

Unit 3 | Lesson 9

Mathematics
1 answer:
Charra [1.4K]3 years ago
5 0
The formula d = rt gives the distance traveled in time t at rate r. A bicyclist rides for 1.5 hours and travels 25 miles. 
d= D. 37.5 miles per hour
r= 25
t=1.5
25*1.5
=37.5

D.
37.5 miles per hour
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What is similar multiplying fractions and whole numbers and what is different?
melomori [17]
You multiply straight across, and one number is  a fraction and the other is not.
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3 years ago
Please help me
kirza4 [7]
This is a hexagonal prism: Volume = Area of Base (hexagon) x Height:
There are 6 equal equilateral triangles in a hexagone.
The apothem (or altitude of each triangle) = side x (√3)/2 =12(√3)/2 = 6√3
Area of ONE equilateral triangle = (side x altitude)/2:
Area of ONE equilateral triangle = (12 x 6√3)/2 = 36√3 ft²
Area of the SIX equilateral triangles = 36√3 x 6 = 216√3 ft²
VOLUME = BASE X HEIGHT = 216√3 x 15 = 3240√3 ft³

OR VOLUME = 5612 ft³

6 0
3 years ago
Which expressions listed on the left are equivalent to √36a^8/225a^2? Check all that apply. (Assume that a ≠ 0.)
MAVERICK [17]

Answer: ABE

Step-by-step explanation:

5 0
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A circle with the radius of 1cm sits inside a 3cm×4cm rectangle. What is the area of the shaded region?
Tanya [424]

Answer:

8.86

Step-by-step explanation:

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8 0
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Please...Solve the inequality, and then graph its solution: 5 + 2x - 2 < 12 + 8x - 3x​
andreev551 [17]

Rewrite so

x

is on the left side of the inequality.

12

+

8

x

−

3

x

≥

5

+

2

x

−

2

Subtract

3

x

from

8

x

.

12

+

5

x

≥

5

+

2

x

−

2

Subtract

2

from

5

.

12

+

5

x

≥

2

x

+

3

Move all terms containing

x

to the left side of the inequality.

Tap for more steps...

12

+

3

x

≥

3

Move all terms not containing

x

to the right side of the inequality.

Tap for more steps...

3

x

≥

−

9

Divide each term by

3

and simplify.

Tap for more steps...

x

≥

−

3

The result can be shown in multiple forms.

Inequality Form:

x

≥

−

3

Interval Notation:

[

−

3

,

∞

)

3 0
2 years ago
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