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Artemon [7]
3 years ago
14

Elle placed a bucket under a leaky roof. The bucket was 310 full after 25 of an hour. How much water is leaking per hour?

Mathematics
1 answer:
kvasek [131]3 years ago
4 0

Answer:

3/4 bucket

Step-by-step explanation:

Elle placed a bucket under a leaky roof. The bucket was 3/10 full after 2/5 of an hour. How much water is leaking per hour

Water leaking : time taken

Let x = amount of water leaking per hour

3/10 : 2/5 = x : 1

3/10 ÷ 2/5 = x / 1

3/10 × 5/2 = x / 1

15 / 20 = x / 1

Cross product

15 * 1 = 20 * x

15 = 20x

x = 15/20

= 3/4

3/4 bucket of water is leaking per hour

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Write the equation of a line that is perpendicular to the given line and that passes through the given point.
Igoryamba

Answer:

y = -1\frac{1}{2}x - 4

Step-by-step explanation:

5 = −1½[−6] + b

9

-4 = b \\ \\ y = -1\frac{1}{2}x - 4

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I am joyous to assist you anytime.

7 0
3 years ago
(7 + 18) x 3÷ (2 + 13) -28
galina1969 [7]

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3 years ago
Please help me with the questions
Tcecarenko [31]

Step-by-step explanation:

Since, diagonal of a parallelogram bisects it in two triangles of same area.

Hence, area of parallelogram ABCD will be twice the area of triangle ABD.

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5 0
3 years ago
How much chromium-51 will be left after 7 months?
Makovka662 [10]

Answer:

It seems there's more information in you question that you haven't posted.

7 months = 7 * (365/12) = 213 days

The half-life of chromium 51 is 27.7 days.

After 7 months, chromium 51 will have undergone 7.69 half-lives.

To solve for the ending amount we'll use the formula:

Ending Amount = Beginning Amount / 2^n where 'n' = # of half-lives

We'll say the beginning amount =1

Ending Amount = 1 / 2^7.69

Ending Amount = 0.0048426082

Basicaly if you started with 1 gram of chromium 51, after 7 months you would have 0.0048426082 grams.

Source: https://www.1728.org/halflife.htm

Step-by-step explanation:

6 0
3 years ago
14.7x + 4x = 0*(46y+39y) Y=14, Solve for X
Dovator [93]
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x = 0
4 0
3 years ago
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