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2 years ago

HELP PLEASE IS IMPORTANT! Solve the equation by using the Quadratic Formula. 2x 92-5

Mathematics

1 answer:

notka56 [123]2 years ago

7 0

See attachment for answer and math work.

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20a + 158 + 6c = 20 ( 6 ) + 15 (4) + 6 (8)

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Answer:

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3 years ago

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Rewrite the expression in the form x

Serga [27]

Answer:

See below (I hope this helps!)

Step-by-step explanation:

When dividing exponential terms of the same base, we can simply subtract the exponents, therefore:

$\frac{x^{6} }{x^{8} } = x^{(6-8)} = x^{-2}$

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3 years ago

Find the value of the expression 2ab/c when a = -1, b = -4, and c= 2

motikmotik

Answer:

Step-by-step explanation:

Given

$\frac{2ab}{c}$ , substitute the given values into the expression

= $\frac{2(-1)(-4)}{2}$

= $\frac{2(4)}{2}$

= $\frac{8}{2}$

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3 years ago

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Through: (4,- 4), perp. to y = -4x - 2

amid [387]

Answer:

Step-by-step explanation:

y = -4x - 2

slope of line = -4

slope of perpendicular to line = ¼

Point-slope equation for line of slope ¼, passing through (4,-4):

y+4 = ¼(x-4)

In slope-intercept form:

y = ¼x - 5

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2 years ago

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid?

lana66690 [7]

Answer:

The effect of doubling all the dimensions of a triangular pyramid will have on the volume of the pyramid is to increase it by 8 times.

Step-by-step explanation:

i) volume of triangular pyramid = $\frac{1}{3}$ $\times$ Area $\times$ height

= $\frac{1}{3}$ $\times$ (Base of triangle $\times$ perpendicular height of triangle) $\times$ height

ii) if we double all the dimensions then the three variables((Base of triangle, perpendicular height of triangle, height of pyramid) will be doubled

and the volume of the new pyramid will be 8 times that of the original one.

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2 years ago