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yKpoI14uk [10]
2 years ago
9

Andrew filled a bucket with 7/10 of a gallon of water. A few minutes later, he realized only

Mathematics
2 answers:
ryzh [129]2 years ago
3 0

Answer:

5/5

Step-by-step explanation:

7/10=2/5

7/10-2/5=5/5

Marat540 [252]2 years ago
3 0

Answer:

3/10 gallons of water leaked out.

Step-by-step explanation:

7/10 = .70 gallon

2/5 = .40 gallon

.70 - .40 = .30

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B Christian installed an electric pump to pump water from a borehole into a 30 000 litre cement dam. If the water is pumped at a
skelet666 [1.2K]

Given the amount of water needed to fill the cement dam and the water pump rate, the time needed to fill the dam is 400 minutes or 6hours 40minutes.

Option B)6h 40min is the correct answer.

<h3>How long does it take to fill the dam?</h3>

Given that;

  • Amount of water needed to fill the dam A = 30000 litres
  • Pump rate r = 75 litres per minute
  • Time needed to fill the dam T = ?

To determine how long it take to fill the dam, we say;

Time need = Amount of water needed ÷ Pump rate

T = A ÷ r

T = 30000 litres ÷ 75 litres/minute

T = 400 minutes

Note that; 60min = 1hrs

Hence,

T = 6hours 40minutes

Given the amount of water needed to fill the cement dam and the water pump rate, the time needed to fill the dam is 400 minutes or 6hours 40minutes.

Option B)6h 40min is the correct answer.

Learn more word problems here: brainly.com/question/2610134

#SPJ1

8 0
2 years ago
If f (x) = 2x2 +5/(x-2), complete the following statement:<br> f(6) =
Tems11 [23]

Answer:

6.25

Step-by-step explanation:

Putting 6 in place of x we get the answer

4x + 5 \div (x - 2) \\ 24 + 5 \div 4 \\ 27 \div 4 = 6.25

<em>Hope</em><em> </em><em>it</em><em> </em><em>Helps</em><em> you</em><em>.</em><em>.</em><em>.</em><em>☺</em>

7 0
3 years ago
Solve this equation: 2s + s + 12 = 132. <br> A. s = –30<br> B. s = 120<br> C. s = 9<br> D. s = 40
nataly862011 [7]
Solve your equation step-by-step.

2s+s+12=132

Simplify both sides of the equation.

2s+s+12=132

Simplify:

3s+12=132

Subtract 12 from both sides.

3s+12−12=132−12

3s=120

Divide both sides by 3.

3s/3 = 120/3

s=40

4 0
3 years ago
Read 2 more answers
What is the height of a cone whose radius is 3 cm and volume is 900 cm3?
icang [17]
V=hpir^2
900=V
r=3

900=hpi3^2
900=hpi9
divide both sides by 9
100=hpi
divide both sides by pi
100/pi=h
aprox pi=3.141592
31.83=h
height=31.83cm
3 0
3 years ago
If two angles are complements, then they are both acute. Which is the hypothesis?
GalinKa [24]

Answer:

the hypothesis is "two angles are complements"

Step-by-step explanation:

In the given statement, the hypothesis is "two angles are complements".. While the conclusion is that "they are both acute".

The hypothesis of the two angles being complements is what led to the conclusion that they are both acute since sum of 2 complementary angles is 90° and acute angle is any angle that measures less than 90°.

5 0
2 years ago
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