4 years ago

Which expressions are equivalent?

Mathematics

2 answers:

Phoenix [80]4 years ago

6 0

im pretty sure it's the first option.

Mariana [72]4 years ago

6 0

Answer:

#1) is right

Step-by-step explanation:

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How many perfect cubes are there between 2 to 200 ?<br> ANSWER fast

Mekhanik [1.2K]

Answer:

Three

Step-by-step explanation:

The perfect cubes between 2 to 200 are

${3}^{3} = 27 \\ \\ {4}^{3} = 64 \\ \\ {5}^{3} = 125 \\$

Hence, there are only three perfect cubes 27, 64 and 125 between 2 to 200.

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4 years ago

Splve for x. -1.4x = 4(x + 2.18)

Georgia [21]

X=-218/135 Or x=1.61481

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3 years ago

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At noon joyce drove to the lake at 30 mph, but she made the long walk back home at 4 mph. how many hours did she walk if she was

lina2011 [118]

By definition we have the following equation:
t = d / v
Where,
t: time
d: distance
v: speed
For this case we have:
d / 30 + d / 4 = 17
Rewriting we have:
2d + 15d = 17 (60)
17d = 17 (60)
d = 60 mi
Then, the walking time is
t = d / v
t = 60/4
t = 15 hours
Answer:
She walked
t = 15 hours

4 0

3 years ago

Find the slope of the line through the given points. 1. (-4,-3) and (7, 1)

Ostrovityanka [42]

Answer:

4/11

Step-by-step explanation:

We can find the slope using the slope formula

m = ( y2-y1)/(x2-x1)

= ( 1 - -3)/(7 - -4)

= (1+3)/(7+4)

= 4/11

8 0

3 years ago

What is the area of a circle with a diameter of 9.2 centimeters? Round your answer ro the nearest hundredth.

nika2105 [10]

The answer the the problem is A.

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3 years ago