Leslie has two cups containing different colored paper clips. The first cup contains 7 pink paper clips and 3 blue paper clips. What is the probability that Leslie will randomly select a blue paper clip from the first cup and then randomly select an orange paper clip from the second cup

Answers

Answer 1

Answer: 9 out of 20, 9:20 First cup 3:10 Send cup 6:10 Together 9:20 and can't be reduced

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Corey bought 2 1/2 liters of paint for$60

what was the cost per liter of paint.

Answers

we know that

Unit Rate is the ratio of two measurements in which the second term is $1$

we have

$2(1)/(2)\ liters=(2*2+1)/(2)=(5)/(2)\ liters$

Corey bought $(5)/(2)\ liters$ of paint for $\$60$

by proportion

Find the cost of one liter of paint

$(60)/((5/2))(\$)/(liters)=(x)/(1)(\$)/(liters) \n \nx*(5)/(2)=60\n \n x=2*60/5\n \nx=\$24$

therefore

the answer is

the cost per liter of the paint is equal to $24(\$)/(liter)$

if 2 1/2 liters of paint cost $60 then 1 liter cost $24

Henry and 28 classmates go to the roller skating rink . Each van can hold 11 students . If all of the vans are full except one how many students are in the van not full

Answers

Answer: 7

Step-by-step explanation:

Given:Henry and 28 classmates go to the roller skating rink .

⇒ Total classmates=1+28=29

Capacity of van=11 students

To find the number of students are in van which is not full, we need to divide total students by capacity of van

On dividing 29 by 11 we get,

Quotient=2, Remainder=7

As 29=2×11+7

Therefore number of vans which are full =2

the number of students remains after 2 van which are full=7

⇒ The number of students are in the van not full=7

you divide 29:11= 2 7/11
so you have 2 full vans and one with 7 students.
so the answer is 7

18x + 9y use the distributive property to write an equivalent expression

Answers

Hey there!
It looks like you have another factoring question!
Using our definition of the distributive property:
a(b+c) = ab+ac
We need to factor our or greatest common multiple, which here is 9.
9 times 2x = 18x and 9 times y = 9y
We have:
9(2x + y)
Once again, using the distributive property, multiply it out and you'll get 18x and 9y.
Hope this helps!

What is the volume of a rectangular prism with length 90 cm, height of 70 cm, and the width of 40 cm?

Answers

volume=Legnth times width times height
legnth=90
height=70
width=40
volume=90 times 40 times 70
volume=3600 times 70
volume=252000

answer is v=252,000 cm^3

V= whl

252000
40 x 70 x 90 = 252000

What is the answer of 7 copies of the sum of 8/5 + 4

Answers

To solve (8/5 + 4)7, you first have to add 8/5+4. But you cannot simply add the too because they have to be in a common denominator 'form'. To do that, we find a common denominator which is 5. We then multiply 4/1 by 5.
8/5 + 4/1= 8/5 +20/5.
Now you can solve; 8+20= 28. You leave the denominator as 5.
You get 28/5 and now you have to multiply it by 7/1. Another of saying 28/5 is 5 3/5. So 5 3/5 x 7/1= 39 2/10 (final answer)

Answer:

39 2/10

...I think

Write the rational number as a decimal -21/16

Answers

$- (21)/(16) = \boxed{\bf{1.3125}}$

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