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Kazeer [188]
3 years ago
8

If 94,500 cubic feet of water is to be funneled into a rectangular tank with a floor that measures 25 feet by 90 feet, about how

many feet deep will the water be?
Mathematics
1 answer:
creativ13 [48]3 years ago
5 0

Answer:

The depth of the water is 42 ft

Step-by-step explanation:

The volume of the rectangular tank = base area × height

The water will take the shape of the tank

So the volume of the water = the area of the base of the tank × the height of the water

94,500 = 25 × 90 × h water

h water = 94500 ÷ (25 × 90) = 42 ft

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How many four-digit whole numbers are there such that the leftmost digit is odd, the second digit is even, and all four digits a
kiruha [24]

Answer: There are 1400 different combinations.

Step-by-step explanation:

The conditions are:

we have 4-digits: abcd.

all the digits are different.

a is an odd number, and b is an even number.

Then, for a, we have the options 1, 3, 5, 7 and 9 (so we have 5 options).

for b, we have the options 0, 2, 4, 6 and 8 (so we have 5 options).

for c, we can have odd or even numbers, so we have 8 options ( remember that there where 2 numbers already taken away, this is why we have only 8 options).

for d we have 7 options (because 3 numbers are already taken).

Then the number of combinations is equal to the product of the number of options for each selection:

C = 5*5*8*7 = 1400

3 0
3 years ago
A flower bed has the shape of a rectangle 7 yards long and 4 yards wide. What is it’s area in square feet
Alla [95]

Answer: 252 square feet

Step-by-step explanation:

lets remember that 1 yard= 3 feet

7 yards= 7*3=21 feet

4 yards= 4*3=12 feet

we know that area of a rectangle= LxW

21 x 12= 252 square feet

6 0
3 years ago
Answer please! I have been "getting" the correct answer, as far as I know. The answer which I got was 10x^2 - 4x. But I don't se
GarryVolchara [31]

Answer:

The answer is 10x² - 4x.

Step-by-step explanation:

You have to apply Distributive Law,

a(m + n) = am + an

So for this question :

2x(5x - 2)

= 2x(5x) + 2x( - 2)

= 10 {x}^{2}  - 4x

4 0
3 years ago
find two consecutive odd numbers such that the sum of the larger number and twice the smaller number is 27 less than four times
Vlad1618 [11]

Answer:

DANG some of these questions are from like 2017 and still havent been answerd

Step-by-step explanation:

7 0
3 years ago
The length of a pen is 5 more than its width.The perimeter is 26 m.Find the length and the width.
meriva
P=2l+2w

Since it is given that P=26m, length is 5 more than its width (w+5), we'll work it out in the perimeter formula.

26=2(w+5)+2w
26=2w+10+2w
26=4w+10
4w=26-10
4w=16
w=4

Thus the width is 4m. Let's find the length.

l=w+5
l=4+5
l=9

The length of a pen is 9m.
4 0
3 years ago
Read 2 more answers
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