3 years ago

Evaluate when a = 8 and b = -4 a(a - b) ÷ (a + b) A) -12 B) 8/3 C) 10 D) 24 what the answer

Mathematics

1 answer:

puteri [66]3 years ago

7 0

Answer:

Step-by-step explanation:

a = 8 and b = -4 a(a - b) ÷ (a + b)

A) -12

B) 8/3

C) 10

D) 24

ANSWER IS D) 24

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Answer with solution

adelina 88 [10]

In general, the scalar multiple of k times u, is this:

 $k\vec u = k(ux, uy)=(Kux,Kuy)$

So, here's how we find $3\vec v$

$3\vec v = 3 * (2,4) = (3*2,3*4) 

= (6,12)$

The answer is (6,12).

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2 years ago

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Can anyone help me please??? Almost done Thank you!!

Hitman42 [59]

Answer:

you might’ve already answered this but it’s 65

Step-by-step explanation:

the two sides in a triangle have to be congruent so if one angle is 65, the other has to be 65 too :)

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2 years ago

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Use the quadratic formula to solve 2x^2=5x+6. Leave your answer in radical form. Show all of your work!

Westkost [7]

Answer:

In radical from 169/50 , 177/200

Step-by-step explanation:

Given:

$2x^2=5x+6\\\\2x^2-5x-6=0\\\\Where, a=2 , b=-5 , c=-6$

Find:

Value of $x$

Computation:

Using quadratic formula:

$\frac{-b\±\sqrt{b^2-4ac} }{2a}\\\\By\ putting\ all\ value\\\\ \frac{-(-5)\±\sqrt{(-5)^2-4(2)(-6)} }{2(2)}\\\\ \frac{5\±\sqrt{25+48} }{4}\\\\ \frac{5\±8.54 }{4}\\\\\frac{5+8.54 }{4},\frac{5-8.54 }{4} \\\\3.38 , 0.885$

Value of $x$ 3.38 , 0.885

In radical from 169/50 , 177/200

8 0

3 years ago

Isn't A B and D correct?

faust18 [17]

Answer:

I think the answer is B.

Step-by-step explanation:

I'm just going by how it looks but I am pretty sure that n is -0.5 and m is 2.5. Therefore, if you add -0.5 + 2.5 it equals 2.0.

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2 years ago

S 1/32 = 1/12 what is x

Ivahew [28]

THE ANSWER IS LYFE 3432423

3 0

2 years ago