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3 years ago

The dimension of an aquarium are 12 inches * 6 inches * 8 inches. The water in it has a height of 7 inches.

Mathematics

1 answer:

vovikov84 [41]3 years ago

6 0

Answer:1.62

Step-by-step explanation:

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Substitution Method. Help please? #5 please!

s344n2d4d5 [400]

Switch the second equation to equal y so...
y=-2x-3
then plug in for y in the first equation
2x+4(-2x-3)=6
2x-8x-12=6
-6x=18
x=-3
now plug in for y
2(-3)+y=-3
-6+y=-3
y=3

answer (-3,3)

8 0

3 years ago

What is the measure of 0 ?

MrRissso [65]

Answer:

Option A. 4 radians

Step-by-step explanation:

step 1

Find the circumference of the circle

The circumference is equal to

$C=2\pi r$

we have

$r=5\ cm$

substitute

$C=2\pi (5)$

$C=10\pi\ cm$

step 2

Find the measure of angle $\theta$

we know that

The circumference of the circle subtends a central angle of 2π radians

using proportion

Find out the central angle by an arc length of 20 cm

$\frac{10\pi}{2\pi}=\frac{20}{x}\\\\x=2\pi (20)/10\pi\\\\x=4\ radians$

4 0

3 years ago

What is the answer I have been Stuck on this question for the longest

Ainat [17]

-3(x - 3) > 5 - 5x
use the distributive property

-3x + 9 > 5 - 5x
subtract 5 from both sides

-3x + 4 > -5x
add -3x to both sides

4 > -2x
divide both sides by -2 to isolate x

x > -2

The correct answer is D. x > -2.

5 0

3 years ago

Read 2 more answers

Which best describes the angles of some parallelograms?

RSB [31]

C . Two acute and two obtuse angeld

6 0

3 years ago

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Help!!! question 3 please

Dimas [21]

Answer: