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stealth61 [152]

4 years ago

9

bucket a starts with 2 gallons of water in it and is being filled with water at a rate of 0.5 gallons per minute. Bucket b start

s with 14 gallons of water and is leaking water at a rate of 1.5 gallons per minute. when will the buckets have the same amount of water?

1 answer:

n200080 [17]4 years ago

6 0

Bucket A will empty in 4 minutes. Bucket B will still have 8 gallons of water after 4 minutes.

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2. What is the solution to the equation? If necessary, round your answer to the nearest tenth. A. 3x^2 = 48 B. x^2 – 2 = 12

stealth61 [152]

The first one is 4, and the second one is 3.7

8 0

3 years ago

The area of a circle, in terms of π, is 80π m2. Find the value of the radius. Give your answer as a simplified surd.

jolli1 [7]

Answer:

$r=4\sqrt{5}\:\: \sf m$

Step-by-step explanation:

$\textsf{Area of a circle}=\pi r^2 \quad \textsf{(where r is the radius)}$

Given:

Area = 80π m²

Substitute the given value into the formula and solve for r:

$\implies 80 \pi = \pi r^2$

$\implies \dfrac{80 \pi}{\pi} = \dfrac{\pi r^2}{\pi}$

$\implies 80=r^2$

$\implies \sqrt{r^2}=\sqrt{80}$

$\implies r=\sqrt{80}$

$\implies r=\sqrt{16 \cdot 5}$

$\implies r=\sqrt{16}\sqrt{5}$

$\implies r=\sqrt{4^2}\sqrt{5}$

$\implies r=4\sqrt{5}$

4 0

2 years ago

Read 2 more answers

If x = 3, calculate the value of: 2x2 + x

Molodets [167]

2x = 2 * 3 = 6

6^2 = 6*6 = 36

36 + 3 = 39

Answer: 39

3 0

3 years ago

In 1990, the price of a gallon of unleaded gasoline was $1.37. In 1998, it was $1.02 per gallon. What is the decrease expressed

mojhsa [17]

The decrease is 35c

Q= X/100 of $1.37 = 0.35

1.37x/100 = 0.35

1.37x = 35 then divide each side by 1.37

Result is 25.5474453 percent, round up to nearest tenth.
Answer is 25%

7 0

4 years ago

Ryan records four numbers from his science homework using scientific notation.

lisabon 2012 [21]

$\large \mathfrak{Solution : }$

The incorrect one is 35 × 10⁵

it can be written as :

$3.5 \times 10 {}^{6}$

8 0

3 years ago