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3 years ago

6 men can complete a job in 20 days.if the men work at the same rate.how many more are needed to complete the job in 12 days

Mathematics

1 answer:

Vlada [557]3 years ago

6 0

The answer is 5 days. I hope that helped.

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A bag contains 3 red marbles, 4 blue, 9 yellow, and 5 green. What is the probability of getting a yellow or a green?

galina1969 [7]

Answer:

2/3

Step-by-step explanation:

To find the probability, you first have to add up the total number of marbles in the bag.

3+4+9+5=21

Next you find the probability of getting a yellow:

9/21

Then you find the probability of getting a green:

5/21

And since the problem says "yellow or green" we will add the two together

9/21 + 5/21 = 14/21 = 2/3

5 0

3 years ago

You want to cover a circular clock in fabric. If the radius of the clock is 6 inches. then how many square inches of fabric will

Airida [17]

Answer:

18.84

Step-by-step explanation:

To find the diameter of an question, multiple the radius by 2, since the radius always covers half of the circular clock. Then multiple 12 x pi = 18.84.

(pi = 3.14)

3 0

3 years ago

(3 x 10^6) x (3 x 10^ 5)

OleMash [197]

Answer:

$9*10^{11}$

Step-by-step explanation:

we have

$(3*10^{6})*(3*10^{5})$

we know that

$(a*10^{b})*(a*10^{c})=(a*a)*10^{(b+c)}$ -----> the bases are multiplied and the exponents are added up

in this problem

$(3*10^{6})*(3*10^{5})=(3*3)*10^{(6+5)}$

$=9*10^{11}$

4 0

3 years ago

find the ratio which are the points p(X,2) divides the line segment joining the point a(12,5) and b(4,-3) also find X plz give a

chubhunter [2.5K]

Answer: ratio a:b = 3:5 p(X, 2) = p(9, 2)

Step-by-step explanation:

Plot points a = (12, 5) and b = (4, -3) and draw a line segment from a to b.

Notice that when y = 2, X = 9 so point p = (9, 2) see graph

The distance from a to p = 3√2

The distance from b to p = 5√2

So the ratio of a:b = 3√2:5√2 = 3:5 when simplified

To find the distance, use the distance formula OR pythagorean theorem.

7 0

3 years ago

While waiting for a video game to download, you notice that 30% of 32,000 kilobytes have been downloaded so far.

kirill [66]

9600 kilobytes...
30 x 32000 divided by 100 = 9600
hope this helps!

8 0

3 years ago

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