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telo118 [61]
2 years ago
13

A box contains 2 plain pencils and 2 pens. A second box contains 3 color pencils and 5 crayons. One item from each box is chosen

at
random. What is the probability that a pen from the first box and a crayon from the second hoy are selected?
Mathematics
1 answer:
Lapatulllka [165]2 years ago
8 0

Answer:

50% pen first box and 62.5% crayon from second box

Step-by-step explanation:

The first box contains 4 items, 2 of each. This means there are \frac{2}{4} pens. This gives you a \frac{2}{4} chance of picking out a pen. This can be written as 50%.

The second box contains 8 items, 3 color pencils and 5 crayons. This means \frac{5}{8} of the contents are crayons, meaning you have a \frac{5}{8} or 62.5% chance of picking a crayon.

*For working out the percentages, you should convert the fraction to a decimal and then multiply that by 100.

**This content involves fractions, decimals and percentages, as well as basic probability, which you may want to revise. I'm always happy to help!

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rebekah's baby brother weighs 7.71 pounds.How much will her baby brother weigh if he gains 1.3 pounds each week for two weeks?
NemiM [27]

Answer:

10.31 pounds

Step-by-step explanation:

First, we multiply 1.3 x 2 because he is gaining 1.3 for the next TWO weeks.

1.3 x 2 = 2.6

Now, add 7.71 + 2.6 because that is the weight he started with.

7.71 + 2.6 = 10.31‬

Her brother will weight 10.31 pounds if he is 7.71 lbs and continues to gain 1.3 pounds each week for two weeks.

8 0
3 years ago
You plan to go snowboarding this weekend in Pennsylvania. The resort charges $15.75 per hour in addition to a $25 deposit to ren
erica [24]

Answer:

$88 in total

Step-by-step explanation:

x = number of hours

y = total cost to rent the snowboard.

$25 is already guaranteed

25 + 15.75x = y

since it is 4 hours from 8:30 a.m. to 12:30 a.m. you put 4 into x.

25+15.75(4) = y

88 = y

6 0
3 years ago
List these numbers from LEAST TO GREATEST 19.054, 19.0541, 19.5, 19.0
german

Answer:

19.0, 19.5, 19.054, 19.0541

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Find the restricted values of x for 2/12x
maw [93]

Answer:

The restricted value is x=0

Step-by-step explanation:

We have been given the expression \frac{2}{12x}

This is a rational function. We know that the rational expression is undefined if denominator is zero.

Here, we will use this fact to find the restricted value (s) of \frac{2}{12x}.

Restricted values means the values for which the function is not defined.

The given function is not defined if the denominator is zero.

12x =0

x =0

Hence, the restricted value is x=0

3 0
4 years ago
4(-8x + 5) = -32x - 26
Margaret [11]

Answer:

No solutions

Step-by-step explanation:

4(-8x + 5) = -32x - 26

Expanding the parentheses:

-32x+20=-32x-26

Adding 32x to both sides:

20=-26

This equation has no solutions, because these two are not equal. Hope this helps!

6 0
3 years ago
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