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likoan [24]
3 years ago
14

a fish tank is 50 cm long, 30 cm wide, and 40 cm high. It contains water up to a height of 28 cm. How many more cubic centimeter

s of water are needed to fill the tank to a height of 35 cm?
Mathematics
1 answer:
leva [86]3 years ago
6 0
Surface area = 50 x 30 = 150
Per cm of height 150 cubic cm needed
7cm height needed
150 x 7 = 1050 cubic cm needed
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20 stickers increase to 150. what percent increase
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Answer:

650%

Step-by-step explanation:

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Determine whether the solids are similar.
Mariana [72]

Answer:

  The solids <u>are</u> similar.

Step-by-step explanation:

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3 years ago
Given the figure below, find the values of x and z.
bulgar [2K]

Answer:

x = 12

z = 101

Step-by-step explanation:

Hello There!

First lets find z

Well the angle that has a measure of 79 degrees and angle z are supplementary angles meaning that the sum of the two is 180

So we can find the missing angle by subtract the given angle (79 in this case) from 180

180 - 79 = 101 so z = 101

Now lets find x

The angle that has a measure of 79 degrees and the angle labeled (6x+7) are vertical angles

If you didn't know vertical angles are congruent

That being said lets create an equation to solve for x

79 = 6x + 7

now we solve for x

step 1 subtract 7 from each side by

7 - 7 cancels out

79 - 7 = 72

now we have 72 = 6x

step 2 divide each side by 6

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we're left with x = 12

5 0
2 years ago
Someone please help with trig question ASAP!!!! You dont need to do both! Will mark brainliest if right
Zanzabum

Answer:

8 x = 60.10251159

9 x = 3.66062978

Step-by-step explanation:

Hey There!

So to answer these questions we need to use the Law of sines

Consider the following image

So to find x in number 8 we setup an equation

\frac{x}{sin90} =\frac{48}{sin53}

now we solve for x

step 1 multiply each side by sin 90

now we have

x = \frac{48sin90}{sin53}

if you plug the equation in a calculator you get that

x=60.10251159

<u>( make sure if it says to round to the nearest.... that you round before entering your answer)</u>

For number 9 the equation would be

\frac{9}{sin90} =\frac{x}{sin24}

now we solve for x

step 1 multiply each side by sin 24

now we have

x=\frac{9sin24}{sin90}

if you plug this into a calculator you get that

x = 3.66062978

<u>(once again if it says to round to the nearest... make sure you round before you put in your answer.)</u>

3 0
3 years ago
At the city newsstand, Sunday papers are 10% off after 5:00 PM. Mr.Johnson pays $3.60 for a paper after 5:00 PM. He wants to kno
maxonik [38]
The regular price is $4 i.e., $3.6 divided by 0.9 = $4
7 0
3 years ago
Read 2 more answers
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