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Natasha2012 [34]
3 years ago
15

A fish tank has a length of 14cm, a width of 25cm, and a height of 15cm. It is only filled with water up to a height of 7 centim

eters. How much more water is needed to fill the tank to the brim?
Mathematics
1 answer:
bazaltina [42]3 years ago
4 0

Answer:

2800 cm^3, or 2.8 liters

Step-by-step explanation:

The base of the tank remains 14 cm × 25 cm. The remaining height is 15 -7 = 8 cm, so the remaining volume is ...

(14 cm)(25 cm)(8 cm) = 2800 cm^3 = 2.8 liters

_____

1 liter = 1000 cm^3

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Please can u give me this answer ☹️
Jlenok [28]

Answer:

the second one

Step-by-step explanation:

Hello There!

The area of a triangle can be found using this formula

A = \frac{1}{2} (a+b)h

where a and b = bases and h = height

The trapezoid shown has the following dimensions

top base = 9cm

bottom base = 14 cm

height = 12 cm

slant height = 13 cm

using this information, we plug in the values into the formula

So A = \frac{1}{2} (9+14)12

the equation we created matches the 2nd equation therefore the second one is your answer

7 0
3 years ago
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Y= <br> Help me please thanks
MArishka [77]

The value of y will be equal to 4.61.

<h3>What is trigonometry?</h3>

Trigonometry is the branch of mathematics that set up a relationship between the sides and angle of the right-angle triangles.

The value of y will be calculated by using the Pythagorean theorem:-

a² + a² = (9√2)²

a = 9

Applying angle property in the triangle:-

tan26 = \dfrac{MK}{9}

9tan26 = MK

LM = 9 - 9tan26

LM = 9 - 4.38

LM = 4.62

Therefore the value of y will be equal to 4.61.

To know more about Trigonometry follow

brainly.com/question/24349828

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4 0
1 year ago
Consider these functions:
Lana71 [14]

Answer:

Answer is 12

Step-by-step explanation:

f(g(-2))

=f((-2)^2+2)

=f(6)

=-1/2×6^2+5×6

=12

7 0
2 years ago
(20 POINTS AND BRAINLIEST FOR BEST)
Bingel [31]

Answer:

a.  8.5a + 38

b.  6+h+x

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2 years ago
How do I do question 5. ?
-BARSIC- [3]
The first one shown, 400/2, is showing the point on the graph where she walks 400 ft in 2 minutes. In order to find the next proportion, you just have to look two minutes over which in this case is 800 ft for 4 minutes... written 800 over 4.
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2 years ago
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