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satela [25.4K]
4 years ago
6

Which of these is a factor in this expression- 7z^4-5+10(y^3+2). Choices- A- 7z^4-5, B- 10(y^3+2) C = -5+10(y^3+2) D= (y^3+2)

Mathematics
1 answer:
stira [4]4 years ago
7 0

Answer:

D. (y^{3} + 2)

Step-by-step explanation:

A factor of an expression can either be in the form of an algebraic expression, alphabet or number. In the question, the given expression can be written as;

7z^{4} - 5 + 10y^{3} + 20

Factorizing the expression gives;

7z^{4} - 5 + 10(y^{3} + 2)

Therefore, it would be observed that the factor in the expression is;

(y^{3} + 2)

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Ann wants to choose from two telephone plans. Plan A involves a fixed charge of $10 per month and call charges at $0.10 per minu
Kay [80]
Ann wants to choose from two telephone plans. Plan A involves a fixed charge of $10 per month and call charges at $0.10 per minute. Plan B involves a fixed charge of $15 per month and call charges at $0.08 per minute.

Plan A $10 + .10/minute

Plan B $15 + .08/minute

If 250 minutes are used:

Plan A: $10+$25=$35
Plan B: $15+$20=$35

If 400 minutes are used:

Plan A: $10+$40=$50
Plan B: $15+$32=$47

B is the correct answer. How to test it:

Plan A: $10+(.10*249 minutes)
$10+$24.9=$34.9

Plan B: $15+(.08*249 minutes)
$15+$19.92=$34.92

Plan A < Plan B if less than 250 minutes are used.
4 0
3 years ago
The spray from a sprinkler reaches 21 feet from the sprinkler and creates a circle as it spins. What is the
mylen [45]

Answer:

66ft

Step-by-step explanation:

c=pixD

c=pix21

c=65.9...=66ft

3 0
3 years ago
Read 2 more answers
Which figures demonstrate a translation?
tensa zangetsu [6.8K]

The two bottom graphs demonstrate translations.

<h3>Which figures demonstrate a translation?</h3>

We will have a translation only if:

  • The size of the figure does not change (like in option 1, which we can discard).
  • If the "direction" of the figure does not change, like in option 2, where you can see that there is a reflection.

The images where the figures are only moved a little bit are the ones that demonstrate just a translation, and these are the two lower ones.

If you want to learn more about translations:

brainly.com/question/24850937

#SPJ1

8 0
2 years ago
2h − 3 = 3 Need some help
QveST [7]

Answer: Let's solve your equation step-by-step.

2h−3=3

Step 1: Add 3 to both sides.

2h−3+3=3+3

2h=6

Step 2: Divide both sides by 2.

2h/2 = 6/2

h = 3.

8 0
3 years ago
If an original quantity is 12, and the new quantity is 15, what is the percent increase?
ycow [4]

Answer:

25 Percent Increase

Step-by-step explanation:

Mark brainliest ;)

3 0
4 years ago
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