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Neporo4naja [7]

3 years ago

14

Ten qualified applicants apply for a part-time job. If the manager randomly hires 3 of them, what is the probability that he hir

es the 3 youngest?

1 answer:

hram777 [196]3 years ago

7 0

3/30 (I think) they have a 1/10 of picking the youngest, so that times three

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The acute angles of a right triangle are in the ratio of 7:11. Find the measure of each angle.

kondor19780726 [428]

Answer:

B

Step-by-step explanation:

Since it's a right angle triangle, one angle has to be 90.

Total angle in a triangle = 180

Other two should add up to 90.

7/18 × 90 = 35

11/18 × 90 = 55

Tbe angles are 35°, 55° and 90°

4 0

3 years ago

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3 years ago

Bob ran 14.6 miles away from his home. Then ,Bob 9.8 miles towards it home. Finally, Bob ran 5.3 miles away from his home. How f

RUDIKE [14]

Bob is 10.1 miles away from home
14.6-9.8=4.8
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7 0

3 years ago

Lily spent $190 on shirts. Fancy shirts cost $20 and plain shirts cost $10. If she bought a total of 12 then how many of each ki

Vesna [10]

Answer:

7 fancy shirts and 5 plain shirts

Step-by-step explanation:

f and p are the numbers of fancy and plain shirts

f+p = 12

p = 12-f

20f + 10p = 190

20f + 10(12-f) = 190

20f + 120 - 10f = 190

10f = 70

f = 7

p = 12-f = 5

5 0

3 years ago

The number of trucks registered in a city increases by 10% each year. Initially, there were 100 trucks registered. There were 11

stira [4]

<u>Answer:</u>

The total number of trucks registered in the city at the end 8 years is 214.35

<u>Solution: </u>

Registered trucks are increasing at $10\%$ rate.

So the increasing rate is = 0.1

The initial value of the truck is = 100

We need to solve the number of trucks after 8 years,

Hence, time = 8

We know the equation is $N=a(1+b)^{t}$

Here N is the total amount after t years, t is time, a is the initial truck and b is the rate of increase.

So putting the values in the equation, we get,

$\Rightarrow N=100(1+0.1)^{8}$

$\Rightarrow N=100 \times(1.1)^{8}$

$\Rightarrow N=100 \times(1.1)^{8}$

$\Rightarrow N=100 \times 2.1435$

N = 214.35

So, the total number of trucks at the end of 8 years is 214.35

8 0

3 years ago