3 years ago

PLEASE HELP WITH MATH

Mathematics

2 answers:

Phoenix [80]3 years ago

7 0

Answer:

Volume = 294.21 cubic meters

Step-by-step explanation:

lesantik [10]3 years ago

6 0

Volume is length x width x height.

Calculate the volume of each rectangle and add them together.

7.5 x 7.5 x 3.55 = 199.6875

7.5 x 3.55 x 3.55 = 94.51875

Volume = 94.51875 + 199.6875 = 294.21 cubic meters

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A student fond the slope of a line that passes through the points (-8,-6) and (2,-3) to be 3/10. what mistake did she make?

goldfiish [28.3K]

Simple ....

we know to find slope is (y1-y2)/(x1-x2)

if we plug in what we know......

(-8,-6),(2,-3)

(-6--3)/(-8-2)

it turns into...

(-6++3)/(-8+-2)

(-3)/(-10)= 3/10

Thus, your answer is that she made no mistake. (C)

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3 years ago

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Romashka-Z-Leto [24]

Answer: The second one

Step-by-step explanation:

7 0

3 years ago

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A quadratic function has a line of symmetry at x=-3.5 and zero at -9 what is the distance from the given zero to line of symmetr

g100num [7]

If a quadratic function has zero at x=-9, then point (-9,0) lies on the graph of quadratic function.

A line of symmetry has equation x=-3.5 that is x+3.5=0.

Use formula for the distance from point $(x_0,y_0)$ to the line AX+By+C=0:

$d=\dfrac{|Ax_0+By_0+C|}{\sqrt{A^2+B^2}}.$

Thus,

$d=\dfrac{|-9+3.5|}{\sqrt{1^2+0^2}}=5.5.$

Answer: the distance is 5.5 units.

4 0

3 years ago

I need help please! I uploaded a photo.

KATRIN_1 [288]

I can't do math sorry:((

5 0

3 years ago

So which would be the answer?

kolezko [41]

The answer will be c

6 0

3 years ago

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