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3 years ago

7

Pam wants to lose some weight. She currently Weighs 225 lbs. if she loses 1.5 lbs per week, how many weeks will it take her to r

each a goal of at most 150 lbs?

1 answer:

Bumek [7]3 years ago

8 0

Answer:

50 weeks

Step-by-step explanation:

Look at the picture for explanation.

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Gina has a jar of marbles that contains 7 blue marbles, 5 red marbles, and 8 green marbles. She randomly selects a marble, recor

BigorU [14]

The probability that Gina randomly selected two red marbles is 1/19

<u>Explanation:</u>

Total number of marbles = 7 + 5 + 8

= 20

The probability of getting two red marbles in the fraction form is given as:

P(first red marble) = number of red marbles / total number of marbles

P(first red marble) = $\frac{5}{20} = \frac{1}{4}$

P(second red marble) = number of red marbles after 1 white marble is removed / total number of marbles after 1 red marble is removed.

P(first red marble) = $\frac{4}{19}$

P(two red marbles) = P(first) X P(second)

= $\frac{1}{4} X \frac{4}{19}$

= $\frac{1}{19}$

Therefore, the probability that Gina randomly selected two red marbles is 1/19

6 0

3 years ago

Find the value of x. Round to the nearest tenth. 37 17.3 units

dlinn [17]

Answer:

x ≈ 21.7

I rounded to the nearest tenth because the values are given in tenths. The first few digits of x are below if you are rounding to something else, as the image is cut out.

Step-by-step explanation:

(It will not let me post, so I've attached a screenshot of my explanation:)

7 0

3 years ago

Gregorio took two tests. Find his z-score for each test. (Remember: The number of standard deviations between a score and the me

never [62]

I found the missing parts of this question.
Test A
<span>Gregorio’s score </span><span>62 </span>
<span>Mean score </span><span>80 </span>
<span>Standard deviation </span><span>6 </span>

<span>Test B </span>
<span>Gregorio's score </span><span>70 </span>
<span>Mean score </span><span>90 </span>
<span>Standard deviation </span><span>10 </span>

<span>a. </span><span>Test A: 3; Test B: 2; Test A </span>
<span>c. </span><span>Test A: –2; Test B: –3; Test A </span>
<span>b. </span><span>Test A: –3; Test B: –2; Test B </span>
<span>d. </span><span>Test A: –3; Test B: –2; Test A
</span>

Refer to the attachment for the formula of z score:

test A: z = (62-80)/6 = -18/6 = -3
test B: z = (70-90)/10 = -20/10 = -2

B. <span>Test A: –3; Test B: –2; Test B </span>

5 0

3 years ago

What ate all the numbers that round to 240

kramer

248 243 247 246 245 249

5 0

3 years ago

Can you help me find x/5+7=16 Because I don’t know what it is.

kramer

Answer: x=45

STEPS:

1

Add the same term to both sides of the equation

2

Simplify

3

Multiply all terms by the same value to eliminate fraction denominators

4

Simplify

5 0

3 years ago

Read 2 more answers