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Eddi Din [679]
2 years ago
14

The probability of rain in April is 40%. If there are 30 days in April, how many days would you expect rain?

Mathematics
1 answer:
scoray [572]2 years ago
5 0

Answer:

12 days

Step-by-step explanation:

10% = 3 (30/10)

To find 40%, we can just times the above by 4.

3*4=12 therefore 12 days can expect rain.

Hope this helps!

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ehidna [41]

b.  39.74

the answer for b

5 0
3 years ago
The length of a rectangular pool is 20 feet and the width is 15 feet. The
Ray Of Light [21]

Answer:

$255

Step-by-step explanation:

As, the area of the pool bottom = length x breath

= 20 x 15 = 300 square foot

So for painting

Per square foot = $0.85

So for 300 square foot = $0.85 x 300

= $255

5 0
3 years ago
3^x = 27^a+b and a^2-b^2/(a-b)=5 What is x?
Colt1911 [192]
Your answer should be 3x-x+2=4 hope this helps..
4 0
3 years ago
Can someone answer this
rosijanka [135]

Answer:

The slope is 1.

Step-by-step explanation:

Remember:

m = \frac{y_2 - y_1 }{x_2 - x_1}

Let's plug in!

m = \frac{ 9 - 4}{4 - ( -1)} = \frac{ 5}{ 5} = 1

4 0
3 years ago
Read 2 more answers
Lara planted some seeds. For every 3 seeds Lara planted, only 2 seeds grew.
Tresset [83]

Given:

For every 3 seeds Lara planted, only 2 seeds grew.

Altogether, 12 seeds grew.

To find:

The number of total seeds planted by Lara.

Solution:

It is given that for every 3 seeds Lara planted, only 2 seeds grew. It means the ratio of total seeds planted to seeds grew is 3:2.

Altogether, 12 seeds grew.

Let x be the number of total seeds planted by Lara. Then,

x:12=3:2

\dfrac{x}{12}=\dfrac{3}{2}

x=\dfrac{3}{2}\times 12

x=18

Therefore, the total number of seeds planter by Lara is 18.

3 0
3 years ago
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