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4 years ago

10

The volume of this cube is 64 cubed cm. What is the cube's height? *hint l x w x h = 64 ----The shape is a cube PLZ HURRY WILL G

IVE BRAINLIEST!

1 answer:

Flura [38]4 years ago

3 0

Answer:

4 cm

Step-by-step explanation:

It's just what cubed is 64. The answer is 4 by the way since

4*4*4=16*4=64

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A parallelogram has an area of 216.24 cm 2 2 and a height of 15.9 cm. How long is the base of the parallelogram? Enter your answ

Studentka2010 [4]

The base would by 13.6 because 13.6 * 15.9 = 216.24

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4 years ago

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5 Quick algebra 1 questions for 50 points! <br><br><br> Only answer if you know all 5, Tysm! :)

PIT_PIT [208]

The equations of the perpendicular lines are: y = 1/2x + 6, y = 15, y = -x - 2, y = 6x + 3 and y = 1/3x - 4

<h3>How to determine the equations?</h3>

When a linear equation is represented as:

Ax + By = C

The slope (m) is:

m = -A/B

When the linear equation is represented as:

y = mx + c

The slope is m

A line perpendicular to a linear equation that has a slope of m would have a slope of -1/m

Using the above highlights, the equations of the lines are:

<u>6. y = -2x + 5; (2, 7)</u>

The slope is:

m = -2

The perpendicular slope is:

n = 1/2

The equation of the perpendicular line is:

y = n(x - x1) + y1

This gives

y = 1/2(x - 2) + 7

Evaluate

y = 1/2x - 1 + 7

This gives

y = 1/2x + 6

<u>7. y = -5; (11, 15)</u>

The slope is:

m = 0

The perpendicular slope is:

n = 1/0 = undefined

The equation of the perpendicular line is:

y = n(x - x1) + y1

This gives

y = 15

<u>8. Graph ; (-12, 10)</u>

The slope is:

m = (y2 - y1)/(x2 - x1)

Using the points on the graph, we have:

m = (2 - 3)/(3 - 4)

m = 1

The perpendicular slope is:

n = -1

The equation of the perpendicular line is:

y = n(x - x1) + y1

This gives

y = -1(x + 12) + 10

y = -x - 12 + 10

Evaluate

y = -x - 2

<u>9. y = -1/6x + 1; (-2, -9)</u>

The slope is:

m = -1/6

The perpendicular slope is:

n = 6

The equation of the perpendicular line is:

y = n(x - x1) + y1

This gives

y = 6(x + 2) - 9

Evaluate

y = 6x + 12 - 9

This gives

y = 6x + 3

<u>10. 6x + 2y = 14; (12, 0)</u>

The slope is:

m = -6/2

m = -3

The perpendicular slope is:

n = 1/3

The equation of the perpendicular line is:

y = n(x - x1) + y1

This gives

y = 1/3(x - 12) + 0

Evaluate

y = 1/3x - 4

Hence, the equations of the perpendicular lines are: y = 1/2x + 6, y = 15, y = -x - 2, y = 6x + 3 and y = 1/3x - 4

Read more about linear equations at:

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5 0

2 years ago

U can start immediately I already got the answer I just need to see if i got it right and understand

umka21 [38]

ANSWER

80 units²

EXPLANATION

One way to solve this is to find the area of the blue square and the subtract the areas of the red triangles:

The blue square is 12 units long by 12 units wide. Its area is:

$A_{\text{square}}=12\times12=144$

Then, the area of the big triangle, which has a base 12 units long and a height of 10 units, is:

$A_{\text{traingle}1}=\frac{12\times10}{2}=\frac{120}{2}=60$

The smaller triangle has a base of 4 units and a heigth of 2 units. Its area is:

$A_{\text{triangle}2}=\frac{4\times2}{2}=\frac{8}{2}=4$

So the total area of the figure is:

$\begin{gathered} A=A_{\text{square}}-A_{triangle1}-A_{triangle2} \\ A=144-60-4 \\ A=80 \end{gathered}$

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2 years ago

Which description is correct for the polynomial 2x² + 2?

Blizzard [7]

Answer:

The polynomial is a quadratic binomial

Step-by-step explanation:

we have

$2x^{2}+2$

Classify the polynomial

<u>By the number of terms</u>

we know that

A polynomial with two terms is a binomial

<u>By the Degree of a Polynomial</u>

we know that

The degree of a polynomial is calculated by finding the largest exponent in the polynomial

In the given problem the largest exponent is $2$

so

Is a quadratic equation

therefore

The polynomial is a quadratic binomial

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3 years ago

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You just bought a cell phone for $14.99. 100 minutes for your phone, including tax, cost $21.99 per month.

agasfer [191]

Y = m x + b
A linear equation is:
y = 21.99 x + 14.99 ,
where x is the number of months of service.
y = 21.99 * 12 + 14.99 = 263.88 + 14.99 = $278.87

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3 years ago