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KatRina [158]
2 years ago
14

Can I get help with this please

Mathematics
1 answer:
andriy [413]2 years ago
4 0
Hi, this should be correct. Hope this helps :)

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(8x 2 −15x)−(x 2 −27x)=ax 2 +bxleft parenthesis, 8, x, squared, minus, 15, x, right parenthesis, minus, left parenthesis, x, squ
quester [9]

Answer:

<h2>5</h2>

Step-by-step explanation:

Given the expression (8x² −15x)−(x² −27x) = ax² +bx, we are to determine the value of b-a. Before we determine the vwlue of b-a, we need to first calculate for the value of a and b from the given expression.

On expanding the left hand side of the expression we have;

= (8x² −15x)−(x² −27x)

Open the paranthesis

= 8x² −15x−x²+27x

collect the like terms

= 8x²−x²+27x −15x

=  7x²+12x

Comparing the resulting expression with ax²+bx

7x²+12x =  ax²+bx

7x² = ax²

a = 7

Also;

12x = bx

b =12

The value of b - a = 12 - 7

b -a = 5

Hence the value of b-a is equivalent to 5

3 0
3 years ago
17 feet 5 inches - 8 feet 3 inches feet inches equals​
ella [17]

Answer:

9ft. 2in.

Step-by-step explanation:

17ft. 5in. = 209in.

8ft. 3in. = 99in.

209in. - 99in. = 110in.

110 in. = 9 ft. 2 in.

6 0
2 years ago
If the sum of a term of an ap is 2n square + 5n then find the 4th term​
zlopas [31]

Answer:

19

Step-by-step explanation

Let the sum of n terms of A.P. = Sn

7 0
3 years ago
Read 2 more answers
5x-2&gt;8 does x equal &gt;2
katovenus [111]

Yes that it correct

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3 years ago
Read 2 more answers
3. Which property justifies rewriting
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B distributive property
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3 years ago
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