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Tomtit [17]
3 years ago
8

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

res the 3 oldest?
Mathematics
2 answers:
anastassius [24]3 years ago
5 0
1/3*1/4*1/7= 1/84
It is 9c3
AnnyKZ [126]3 years ago
5 0
There are 3!  = 6 ways he can pick the 3 oldest people
Total number of permutations  of any 3 from 9 = 9P3 =  9*8*7 = 504

so required probability = 6 / 504 = 1/84
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What is the missing number in the equation.. 35.4 x □ = 3.54. A. 100 B. 10 C. 1/10 D. 1/100
fomenos
The correct answer is 1/10.
4 0
3 years ago
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Is (5,-2) a solution of the graphed inequality?<br><br> Yes or No
solmaris [256]
Yes
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4 0
3 years ago
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The graphed line can be expressed by which equation?
earnstyle [38]

Answer:

The Answer is: y = 2/3x - 2/3

Step-by-step explanation:

Given points: (4, 2) and (-2, -2)

Find the slope m:

m = y - y1 / (x - x1)

m = 2 - (-2) / (4 - (-2))

m = 2 + 2 / (4 + 2)

m = 4 / 6 = 2/3

Use the point slope form, substitute the point (4, 2) and solve for y to get the point slope form:

y - y1 = m(x - x1)

y - 2 = 2/3(x - 4)

y - 2 = 2/3x - 8/3

y = 2/3x - 8/3 + 6/3

y = 2/3x - 2/3

Proof:

f(-2) = 2/3(-2) - 2/3

= -4/3 - 2/3 = -6/3 = -2, giving (-2, -2)

Hope this helps!! Have an Awesome Day!! :-)

4 0
3 years ago
7. How much 6% solution can you make by diluting 350 mL of a 15% solution
ANTONII [103]

Answer:

We know that the formula to mix chemical solutions is: C1V1 = C2V2

where C represents the concentration of the solute, and V represents volume in milliliters or ml.

In this case, we have:

0.06V1 = 0.15×350

Solving for 'V1' we have:

V1 = (0.15×350)/0.06 = 52.5/0.06 = 875

Therefre I can make 875 mL of a 6% solution by diluting 350 mL of a 15% solution.

6 0
3 years ago
Find the sides of a triangle if two of its sides are equal, the third side is 1 1 3 cm longer than the others, and its perimeter
Helga [31]

Answer: 137\dfrac{1}{3}\ cm,\ 137\dfrac{1}{3}\ cm,\ 250\dfrac{1}{3}\ cm

Step-by-step explanation:

Let x be the equal sides of the triangle .

The , the third side would be x+113 cm.

The perimeter is the sum of all sides of a triangle.

So , The perimeter of triangle would be  x+x+(x+113)= 3x+113 --------(1)

Since , it is given that the perimeter of triangle is 525. -----(2)

So from (1) and (2) , we have

3x+113=525\\\\ 3x=525-113=412\\\\ x=\dfrac{412}{3}=137\dfrac{1}{3}

Then, third side = 137\dfrac{1}{3}+113=250\dfrac{1}{3}\ cm

Hence , the sides of a triangle  are:137\dfrac{1}{3}\ cm,\ 137\dfrac{1}{3}\ cm,\ 250\dfrac{1}{3}\ cm

7 0
3 years ago
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