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Olenka [21]
2 years ago
11

I will give brainliest A) 60 B) 120 C) 360 D) 40

Mathematics
1 answer:
Natali [406]2 years ago
3 0

Answer:

40 m^3

Step-by-step explanation:

Volume of a pyramid =  1/3 * base area * height

  base area = 4 x 4

1/3 * (4x4) * 7.5 = 40 m^3

You might be interested in
PLEASE ASAP!! ALSO PLEASE INCLUDE AN EXPLANATION OF HOW YOU GOT THE ANSWER!!! THANK YOU! BTW THERE ARE TWO PICTURES! :)
-BARSIC- [3]

2/3 is <u>400%</u> of 1/6

0.2 is <u>12.5%</u> of 1 3/5

<h3>Calculating Percentages</h3>

From the question, we are to determine what percent of 1/6 is 2/3

Let the value be x

Thus,

We can write that

2/3 is x% of 1/6

This means

2/3 = x/100 × 1/6

Now, solve for x

2/3 = x/100 × 1/6

2/3 = x/600

x = (2×600)/3

x = 400

Hence, 2/3 is 400% of 1/6

We are to determine what percent of 1 3/5 is 0.2

Let the value be y

That is,

0.2 is y% of 1 3/5

This can be written as

0.2 = y% × 1.6

0.2 = y/100 × 1.6

Now, solve for y

0.2 = y/100 × 1.6

0.2 = 1.6y/100

1.6y = 0.2 × 100

1.6y = 20

y = 20/1.6
y = 12.5

Hence, 0.2 is 12.5% of 1 3/5

Learn more on Calculating Percentages here: brainly.com/question/843074

#SPJ1

7 0
1 year ago
Groceries cost $75. The tax is 5%. Will you have enough money to pay for the groceries if you have $80. Please explain.
Nastasia [14]

Answer:

Yes, we have enough money to pay for the groceries.

Step-by-step explanation:

We are given that Groceries cost $75. The tax rate is 5%.

We have to check that will the amount of $80 enough to pay for the groceries or not.

<em>For this we will firstly calculate the total cost of groceries after applying tax rate of 5% on groceries. </em>

Cost of groceries after applying tax rate is given by;

Since we know that by applying a tax on any item it's cost gets increased.

So, <u>Cost of groceries after tax</u> = Cost of groceries before tax + Amount of tax      

Amount of tax = Tax rate \times Cost of groceries

                        = 5% \times $75

                        = \frac{5}{100} \times 75 = $3.75

So, Cost of groceries after tax = $75 + $3.75 = $78.75

Since we have an amount of $80 with us which means that we are able to buy the groceries after giving tax on it as $78.75 < $80.

Therefore, yes we have enough money to pay for the groceries.

<em />

4 0
4 years ago
3t − 2t + 2 = 9<br><br><br> t =
alexandr402 [8]

Answer:

t = 7

Step-by-step explanation:

Combine like terms

3t - 2t + 2 = 9

t + 2 = 9

Move the variable

t + 2 = 9

 - 2      -2

t = 7

6 0
4 years ago
Read 2 more answers
Liza is driving to her sister's house 360 miles away. After 4 hours, Liza is 2 3 of the way there.
DochEvi [55]

Liza is driving to her sister's house 360 miles away. After 4 hours, Liza is 2/3 of the way there.   How many more hours  does Liza have to drive?

<em><u>Answer:</u></em>

Liza need to drive 2 more hours to reach her sister house

<em><u>Solution:</u></em>

Given that Liza is driving to her sister's house 360 miles away

So total distance = 360 miles

After 4 hours, Liza is 2/3 of the way there.

\frac{2}{3} r d \text { of total distance }=\frac{2}{3} \times 360=240

So Liza has covered 240 miles in 4 hours

Let us find the speed

<em><u>The relation between distance and speed is given as:</u></em>

speed = \frac{distance}{time}

speed = \frac{240}{4} = 60

Thus speed = 60 miles per hour

Assuming speed is same throughout the journey, let us calculate the time taken to complete remaining distance

Remaining distance = 360 - 240 = 120 miles

Now distance = 120 miles and speed = 60 miles per hour

time taken = \frac{distance}{speed}\\\\time taken = \frac{120}{60} = 2

Thus Liza need to drive 2 more hours to reach her sister house

4 0
3 years ago
Solve for y y-(-5)=-7
romanna [79]
Y - (-5) = -7
---------------------------
Simplify
y + 5 = -7
-------------------------------------
Subtract 5 from each side
y + 5 - 5 = -7 - 5
y = -12
--------------------------------------------
y = -12 is your answer

7 0
3 years ago
Read 2 more answers
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