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3 years ago

A triangle has a base that measures 6.4 feet. It’s height measures 5 feet. How many square feet is the area of the triangle?

Mathematics

1 answer:

kolbaska11 [484]3 years ago

3 0

Answer:

6.4×5=32 the area of the triangle is 32

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A line passes through the point (-4, -2) and has a slope of -5/2. Write an equation in slope- intercept form for this line.

kirill115 [55]

Answer:

Step-by-step explanation:

The point-slope form of the equation is y - y₀ = m(x - x₀), where (x₀, y₀) is any point the line passes through and m is the slope:

m = -⁵/₂

(-4, -2) ⇒ x₀ = -4, y₀ = -2

The point-slope form of the equation:

y + 2 = -⁵/₂(x + 4)

So:

y + 2 = -⁵/₂x - 10 {subtract 2 from both sides}

y = -⁵/₂x - 12 ← the slope-intercept form of the equation

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3 years ago

Find the requested function value.

liq [111]

Given:

Given that the functions $f(x)=9 x+5$ and $g(x)=-4x^2-6x+3$

We need to determine the value of the function $(f \circ g)(-9)$

First, we shall determine the value of the function $(f \circ g)(x)$

The value of the function $(f \circ g)(x)$ :

Let us determine the value of the function $(f \circ g)(x)$

Thus, we have;

$(f \circ g)(x)=f[g(x)]$

$=f(-4x^2-6x+3)$

$=9(-4x^2-6x+3)+5$

$=-36x^2-54x+27+5$

$(f \circ g)(x)=-36x^2-54x+32$

Thus, the value of the function is $(f \circ g)(x)=-36x^2-54x+32$

The value of the function $(f \circ g)(-9)$ :

The value of the function $(f \circ g)(-9)$ can be determined by substituting x = -9 in the function $(f \circ g)(x)=-36x^2-54x+32$

Thus, we have;

$(f \circ g)(-9)=-36(-9)^2-54(-9)+32$

$=-36(81)-54(-9)+32$

$=-2916+486+32$

$(f \circ g)(-9)=-2398$

Thus, the value of the function $(f \circ g)(-9)$ is -2398

Hence, Option A is the correct answer.

4 0

3 years ago

Find the percent of each number: 0.55% of 220=

Sphinxa [80]

1.21 because of means multiply and .55% is .0055 so 220*0.0055 is 1.21.

6 0

3 years ago

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5. Find the volume, of a cone with a radius of 3 yards and a height of 11 yards.

Zigmanuir [339]

ANSWER: Solve for volume

V≈79.26m³

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2 years ago

Verbal expression for r+4

Ne4ueva [31]

Answer:

a number increased by 4

Step-by-step explanation:

r = a number

increased by four = +4

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3 years ago

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