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lina2011 [118]
3 years ago
15

Which of the following expressions does NOT contain any like terms? a. 2x2 + 3x – 4x + 2 b. xy + yz – 17 c. x3 + x2 – 2x – x2 d.

14 + 8 + y
Mathematics
1 answer:
SVETLANKA909090 [29]3 years ago
6 0

The answer to your question is b

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2 years ago
Ann purchased a prepaid phone card for $20. Long distance calls cost 11 cents a minute using this card. Ann used her card only o
inn [45]

Answer:

I believe the answer is 33 minutes.

Step-by-step explanation:

20$-16.37 is 3.63$

.11cents × 33 minutes is 3.63$

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3 years ago
a company’s stock was selling at $24 a share a month later it was selling at $30 a share what is the percent gain
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4 0
3 years ago
A 2.5​ ft wide circular track for a camera dolly is set up for a movie scene. The two rails of the track form concentric circles
Deffense [45]

Answer:

15.71 ft

Step-by-step explanation:

Given that:

width of the circular track = 2.5ft

Suppose the radius of the inner circle is 57 ft since it is not given

Then the radius of the outer circle = (2.5 + 57) ft = 59.5 ft

The circumference of a circle = 2πr

For inner circle now, the circumference = 2 × π × 57 ft

For inner circle now, the circumference = 358.14 ft

For the outer circle, the circumference = 2 × π × 59.5 ft

For the outer circle, the circumference = 373.85 ft

The difference between the circumference of the outer wheel from the inner wheel shows how farther does a wheel on the outer rail travel than a wheel on the inner rail of the track in one​ turn

∴

= ( 373.85 - 358.14 ) ft

= 15.71 ft

6 0
3 years ago
How do I show my work 826÷2
eduard
Hope this helps!! Good luck

8 0
3 years ago
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