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AlexFokin [52]
4 years ago
7

Which rational expression has a value of 0 when x = -2?

Mathematics
1 answer:
katrin [286]4 years ago
4 0
The answer is D. 2x - 4/x^2- 4
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Explain clearly why a regular hexagon will tessellate but a regular decagon will not.
Nady [450]

A regular hexagon have an interior angle of 120°, while a regular decagon have an interior angle of 144°.

The regular hexagon will tessellate because 3 hexagons can be tessellated at a point. (360° / 120° = 3)

The regular decagon will not tessellate because 360° is not divisible by 144°.

5 0
4 years ago
What is the answer ​
Finger [1]

Answer:

2$

Step-by-step explanation:

1. One large bottle is equal to small bottle+4$

2. 8 large bottles (= 8 small bottles + 32$) cost 24$ less than 12 small bottles. Replacing large bottles with small bottles+4$, we have 8b+32=12b-24 -> Simplifying 4b=8, b=2$ Where b is small bottle.

6 0
4 years ago
Is the following exponential graph increasing or decreasing? If it is, what exponent problem is it? Explain.
Akimi4 [234]
It is increasing and the exponential problem should be 5e^x-8
3 0
3 years ago
The Panthers football team gains 15 yards on the first play of a football game, then it loses 15 yards on the second play.
lyudmila [28]

Answer: B

Step-by-step explanation: I feel like it's b but it is too easy

3 0
3 years ago
Read 2 more answers
A bouncing ball reaches a height of 54 inches at its first peak, 36 inches at its second peak, and 24 inches at its third peak.
sesenic [268]

Answer:

f(x) = 54(two-thirds) Superscript x minus 1

Step-by-step explanation:

Given that:

First peak : 36 / 54=2/3

Second peak : 24 / 36 = 2/3

The common ratio here is 2/3 ; which mean each bounce height is 2/3 of previous height

Modeling this using geometric progression :

An=a1r^(n-1)

An = nth term of a geometric progression

a1=first term

r=common ratio = 2/3

n = nth term

a1=54

Substituting into the above formular :

An=54(2/3)^(n-1)

4 0
3 years ago
Read 2 more answers
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