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grandymaker [24]

2 years ago

13

Ryan makes 6 backpacks he uses 3/4 of cloth to make each backpack what is the total amount cloth ,in yards ryan use to make all

6 backpacks? Please show all work.

1 answer:

Virty [35]2 years ago

8 0

One backpack = 3/4
6 backpacks = 3/4 x 6 = 18/4 = 4.5 yards

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Please answer number #3 its my last question

DaniilM [7]

Answer:

b.) 2×8. 2+2+8+8

c.) 1×16. 1+1+16+16

3 0

3 years ago

Deidre is picking out some movies to rent, and she is primarily interested in documentaries and children's movies. She has narro

exis [7]

Answer: 6630

Step-by-step explanation:

Given , Number of documentaries = 17

Number of children's movies = 20

Total movies = 17+20=37

Number of combinations of r things taken out of things = $^nC_r=\dfrac{n!}{r!(n-r)!}$

Now, the number of different combinations of 3 movies can she rent if she wants at least one documentary

= (1 documentary+2 children's movies , 2 documentary+1 children's movies , 3 documentary+0 children's movies)

$=^{17}C_1\times^{20}C_{2}+^{17}C_2\times^{20}C_{1}+^{17}C_3\times^{20}C_{0}$

$=(17)\times\dfrac{20!}{2!18!}+\dfrac{17!}{2!15!}\times(20)+\dfrac{17!}{3!14!}(1)\\\\=3230+2720+680=6630$

Hence, the number of different combinations of 3 movies can she rent if she wants at least one documentary is 6630 .

3 0

3 years ago

What is the slope of a line perpendicular to the line whose equation is 2x−10y=100. Fully reduce your answer.

Aliun [14]

Answer:

2x-10y=100

-8xy=100

xy=12

3 0

2 years ago

On squared paper draw a 7 x 7 square. Divide it up into nine smaller squares.

wariber [46]

Answer/Step-by-step explanation:

Each square would be about 0.78 by 0.78

7 0

2 years ago

In the data set shown below, what is the value of the quartiles? {42, 43, 44, 44, 48, 49, 50} A. Q1 = 43.5; Q2 = 44; Q3 = 49 B.

ANTONII [103]

Answer:

C

Step-by-step explanation:

I don't actually know how to explain it but,

Q1=43.5

Q2=44

Q3=48.5

Sorry, I can't help more.

3 0

2 years ago