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astraxan [27]
2 years ago
11

which of the following is the estimated sum of sixty-five and one-hundred-fifty using compatible numbers? A. 200 B. 210 C. 220 D

. 230
Mathematics
2 answers:
zzz [600]2 years ago
7 0

Answer:b

Step-by-step explanation:

gtnhenbr [62]2 years ago
5 0
B is the answer to this question
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A store discounts a stereo from 130 to 87.50. What is the percent discount?
Minchanka [31]
42.5 percent

Subtract 130 and 87.50
5 0
3 years ago
If a polynomial function f(x) has roots 6 and square root of 5, what must also be a root of f(x)?
ivolga24 [154]

Answer:

-\sqrt{5}

Step-by-step explanation:

A root with square root or under root is only obtained when we take the square root of both sides. Remember that when we take a square root, there are two possible answers:

  • One answer with positive square root
  • One answer with negative square root

For example, for the equation:

x^{2}=3

If we take the square root of both sides, the answers will be:

x=\sqrt{3} \text{ or } x= -\sqrt{3}

Only getting one solution with square root is not possible. Solutions with square root always occur in pairs.

For given case, the roots are 6 and \sqrt{5}. Therefore, the 3rd root of the polynomial function f(x) had to be -\sqrt{5}

It seems you made error while writing option B, it should be - square root of 5.

4 0
2 years ago
What is 6.42 x 10^23 in standard notation
katrin2010 [14]

Answer:

642000000000000000000000

Step-by-step explanation:

8 0
3 years ago
If the suspect is found guilty, then he will go to prison.
Marrrta [24]

Answer:

If the suspect goes to prison, then he was found guilty.

Step-by-step explanation:

Means the same thing. If you guilty, you get the jail time. Same thing as before. The only other one it could be is the first one. But you could argue that one.

4 0
2 years ago
Time = 8 years
Sedaia [141]
B)1,131.20 would be the answer. 1010x0.14=141.4x8=B                                                                        
 
7 0
3 years ago
Read 2 more answers
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