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Soloha48 [4]
3 years ago
7

What is the answer? pls help

Mathematics
1 answer:
worty [1.4K]3 years ago
8 0

Answer:

117

Hope this helped :)

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The product of a+3 and -2a^2+15a+6 is -2a^3+xa^2+51a+18. What is the value of x? Is it 8 ,9,12 or15?
Serggg [28]

Answer:

x = 9 ⇒ second answer

Step-by-step explanation:

∵ (a + 3)(-2a² + 15a + 6) =

  -2a³ + 15a² + 6a - 6a² + 45a + 18 =

  -2a³ + 9a² + 51a + 18

∵ (a + 3)(-2a² + 15a + 6) = -2a³ + xa² + 51a + 18

∴ -2a³ + 9a² + 51a + 18 = -2a³ + xa² + 51a + 18

∴ x = 9

3 0
3 years ago
Find the value of x.
-Dominant- [34]

Answer:

143

Step-by-step explanation:

7 0
3 years ago
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CAN U PLEASE HELP AS FAST AS POSSIBLE
kondaur [170]

Answer:

5/14 is the answer I believe

5 0
3 years ago
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Crystal is on page 88 in her book and will read 20 pages every day until she finishes it . Which expression tells us what page s
12345 [234]

Answer: The required expression she is on after d days is 88+20d

Step-by-step explanation:

Since we have given that

Page number at which she is = 88

Number of pages she will read every day = 20

Let the number of days be 'x'.

According to question, it becomes

y=88+20d

Hence, the required expression she is on after d days is 88+20d

6 0
4 years ago
13_,644=130,000
MrMuchimi

Answer:

The possible digits 0, 1, 2 , 3 or 4 .

Step-by-step explanation:

The possible digits that could go in the thousands place to make  13_,644 ≈ 130,000   this statement correct are: 0 1, 2,3 or 4.

<u>For example:</u>  132,644 may rounded off to 130,000

Round the number to the nearest thousand make the numbers whose last three digit through 644 into the next lower numbers that ends in 000.

Using number line for this possibility as shown in the below diagram:



7 0
3 years ago
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