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olga nikolaevna [1]
1 year ago
7

A fish tank is three-fourths full.

Mathematics
1 answer:
max2010maxim [7]1 year ago
6 0

Answer: \frac{5}{12}

Step-by-step explanation:

   We will subtract the amount of water that leaked out from the amount of water originally in the fish tank.

\displaystyle \frac{3}{4} - \frac{1}{3} =\frac{3*3}{4*3} -\frac{1*4}{3*4} =\frac{9}{12} -\frac{4}{12}=\frac{5}{12}

         The fish tank is \frac{5}{12} of the way full.

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A cylinder with radius 3 feet and height 5 feet is shown.
Leviafan [203]

Answer:

The volume of the cylinder is <u>141.23 cubic feet </u>

Step by step explanation :

<u>Given</u>-

  • Radius of cylinder = 3 feet
  • Height of cylinder = 5 feet

Now, we know that

<h3>\boxed {\mathfrak \red{ volume \: of \: cylinder = \pi {r}^{2} h}}</h3>

where, r is the radius of the cylinder & h is the height of the cylinder.

Now,

Volume of the cylinder = \frac{22}{7}  \times  {3}^{2}  \times 5

=  \frac{22}{7}  \times 3 \times 3 \times 5

<h3>=   \frac{990}{7}</h3>

= 141.428571 ( approximately )

=  \boxed{ 141.43 \:  \mathfrak { {ft}^{3}} }

6 0
2 years ago
Simplify: 7·(a+5)–30 =
postnew [5]

Answer:

7a + 5

Step-by-step explanation:

Distribute using PEMDAS.


7 0
3 years ago
I don’t know why i’m confused on this one
cestrela7 [59]

dude its going to 14cm

8 0
3 years ago
Factor each trinomial. Then match the polynomial (term) on the left with its factored form (definition) on the right.
meriva
X² - 8x - 20 factors to give option
B) (x - 10)(x + 2)
x² + 8x - 20 factors to give option
A) (x - 2)(x + 10)
x² - x - 20 factors to give option C) (x - 5)(x + 4)
and x² - 9x - 20 is option D) Prime.

I hope this helps!
8 0
3 years ago
Read 2 more answers
HELP ASAP (1O BRAILY/POINTS FOR ANSWER)
shutvik [7]

Step-by-step explanation:

x + y = 3 ---------------- eqn 1

y = -6x + 3 ------------- eqn 2

Substitute y for -6x + 3 in equation 1

x + -6x + 3 = 3

x - 6x + 3 = 3

-5x + 3 = 3

Collect like terms

-5x = 3 - 3

-5x = 0

Divide both sides by -5

x = 0

Hope this helped!

5 0
2 years ago
Read 2 more answers
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