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2 years ago

12

Values of a and b Mm

1 answer:

alexira [117]2 years ago

4 0

Scalene triangles. I think

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Solve 2x^2<br> + x - 4= 0.<br> x2 +<br> = 0<br> DONE

inessss [21]

$\\ \sf\longmapsto 2x^2+x-4=0$

$\\ \sf\longmapsto 2x^2+x=4$

$\\ \sf\longmapsto 8(2x^2+x=4)$

$\\ \sf\longmapsto 16x^2+8x=32$

$\\ \sf\longmapsto (4x)^2+2(4x)(1)=32$

$\\ \sf\longmapsto 4x^2+2(4x)(1)+1^2=32+1^2$

$\\ \sf\longmapsto (4x+1)^2=33$

$\\ \sf\longmapsto 4x+1=\pm\sqrt{33}$

$\\ \sf\longmapsto 4x=-1\pm\sqrt{33}$

$\\ \sf\longmapsto x=\dfrac{-1\pm\sqrt{33}}{4}$

8 0

3 years ago

Elaine had StartFraction 5 Over 8 EndFraction of a pizza left after lunch. She told 5 of her friends that they could share the r

grigory [225]

Answer: 5/8 : 5=5/8*1/5=1/8

the answer is 1/8

Step-by-step explanation:

8 0

2 years ago

Which is the graph of y = 5x + 5?

alexandr1967 [171]

Answer:

B

Step-by-step explanation:

4 0

3 years ago

A right triangle has a hypotenuse of length 21 and a leg of length 14. What is the length of the other leg of the triangle?

AlladinOne [14]

The answer is around 15.65.

6 0

2 years ago

Simplify the following expressions ( combine like-terms )

galina1969 [7]

Answer:

6x

Step-by-step explanation:

Step 1: Write equation

x + 2x + 3x

Step 2: Combine like terms

3x + 3x

6x

5 0

3 years ago