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3 years ago

.. Jessie charges Jim $45.00 for 3 hours of tutoring. Mike charges Jim $90.00 for

Mathematics

2 answers:

nirvana33 [79]3 years ago

5 0

Answer:

the correct answer is jessie charges jim the better price

Step-by-step explanation:

Leto [7]3 years ago

3 0

Answer:

jessie is better

Step-by-step explanation:

45/3=15

$15 per hour

90/5=18

$18 per hour

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Louise is walking 12 miles to raise funds for a local cause. If she has completed

jok3333 [9.3K]

12 x 3/4 = 36/4 = 9

she has walked 9 miles

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3 years ago

Jerome is going to draw a marble from the bag shown below, replace it, and then draw another marble. What is the probability tha

alexira [117]

Marbles in a bag: 3 green, 4 yellow, 5 blue, 8 pink.

Event A - get a green or yellow marble
Event B - get a pink marble

Events A and B are independent because we draw a marble from a bag with 20 marbles in both cases.
$P(A)= \frac{3+4}{3+4+5+8}= \frac{7}{20} 
\\P(B)= \frac{8}{3+4+5+8}= \frac{8}{20} = \frac{2}{5}$

Probability of combined events is
$P(A) \times P(B)=\frac{7}{20} \times \frac{2}{5} =\frac{7}{50}$

7 0

3 years ago

Read 2 more answers

Find x <br><br>—3(x – 4) = -9(x - 1)

Mrrafil [7]

Answer:

x=-1/2

Step-by-step explanation:

-3(x-4)= -9(x-1)

-3x+12= -9x+9

-3x+9x= 9-12

6x= -3

x=-3/6

x= -1/2

7 0

2 years ago

Working at home: According to the U.S Census Bureau, 41% of men who worked at home were college graduates. In a sample of 506 wo

sergejj [24]

Solution :

a). The point estimate of proportion of college graduates among women who work at home,

$\hat p =\frac{166}{506}$

= 0.3281

99.5% confidence interval

$=\left( \hat p \pm Z_{0.005/2} \sqrt{\frac{\hat p (1- \hat p)}{n}} \right)$

$=\left( 0.3281 \pm 2.81 \sqrt{\frac{0.3281 \times (1- 0.3281)}{506}} \right)$

$=(0.3281 \pm 0.0586)$

$=(0.2695, 0.3867)$

6 0

3 years ago

Factor n^2+5n-24. Show that the original polynomial and the factored from describe the same sequence of numbers for n=0,1,2,3,an

Lana71 [14]

Step-by-step explanation:

We have the original equation n ^ 2 + 5 * n - 24, when factoring we have:

(n + 8) * (n - 3)

Now by replacing the values:

n = 0

0 ^ 2 + 5 * 0 - 24 = - 24

(0 + 8) * (0 - 3) = - 24

n = 1

1 ^ 2 + 1 * 0 - 24 = - 18

(1 + 8) * (1 - 3) = -18

n = 2

2 ^ 2 + 5 * 2 - 24 = - 10

(2 + 8) * (2 - 3) = - 10

n = 3

3 ^ 2 + 5 * 3 - 24 = 0

(3 + 8) * (3 - 3) = 0

n = 4

4 ^ 2 + 5 * 4 - 24 = 12

(4 + 8) * (4 - 3) = 12

7 0

3 years ago