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seraphim [82]
2 years ago
13

Find three consecutive integers whose sum is 51

Mathematics
1 answer:
Elina [12.6K]2 years ago
4 0
X+x+1+x+2=51

3x+3=51
Use inverse operations to solve

subtract 3 from both sides

3x=48 

Divide by 3 on both sides

x=16

16, 17, 18
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(x-6)(x+ 3) =<br><br><br> A. X^2 - 18<br> B. X^2 - 3x - 18<br> C. X^2 + 3x -18<br> D. X2 + 9x - 18
nlexa [21]

Answer:

x^2 - 3x - 18

Step-by-step explanation:

Just follow in terms of FOIL

First, outer, inner, last. First means multiply the terms which occur first in each binomial, Outer means multiply the outermost terms in the product, Inner means multiply the innermost terms, and Last means multiply the terms which occur last in each binomial.

4 0
3 years ago
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Find the sum of <br> 10x2 – 10x – 6 and x + 6.
lana [24]
I highly recommend you use photomath for this. but i have the answer!

26-16x is the answer
6 0
3 years ago
4 x 234567890123456789
nata0808 [166]

Answer:

Step-by-step explanation:

9.3827156E17 the awnser

4 0
3 years ago
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18. What is the<br> scale factor?<br> 4cm 16cm
Delvig [45]

Answer:

1:4

Step-by-step explanation:

4 ÷ 4 = 1

16 ÷ 4 = 4

4:16 ratio simplified is 1:4

7 0
2 years ago
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Perform the indicated operation to write given polynomial in standard form: (x+ 2)(2x^2 − 5x+7)
Elan Coil [88]

Answer:

So the expression in standard form will be 2x^3-x^2-3x-14        

Step-by-step explanation:

We have given expression (x+2)(2x^-5x+7)

We have to write this expression in standard form

For writing in standard form first we have to multiply the expression

So after multiplication number (x+2)(2x^2-5x+7)=2x^3-5x^2+7x+4x^2-10x-14=2x^3-x^2-3x-14

So the expression in standard form will be 2x^3-x^2-3x-14

5 0
3 years ago
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