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skad [1K]
3 years ago
13

A class is divided into 4 groups. A bag contains pieces of paper that are red, blue, green, and yellow. For every blue- or green

-colored piece of paper, there are 2 red- and 2 yellow-colored pieces of paper. The students are asked to pick a piece of paper to be put into a particular colored group. What is the probability that the first student will randomly pick a red-colored piece of paper or a blue-colored piece of paper? What additional information would be required to solve the problem? A. the dimensions of the bag B. the number of students in the class C. the sum of the number of green and yellow pieces of paper D. the number of students present in class on that day
Mathematics
1 answer:
Alexus [3.1K]3 years ago
8 0

Answer:

C

Step-by-step explanation:

A has nothing to do with the paper inside and B and D don't matter bc its the first student

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The gym teacher has $250 to spend on volleyball equipment. She buys 4 volleyball nets for $28 each. Volleyballs cost $7 each. Ho
pav-90 [236]

Answer:

The maximum number of volleyballs that she can buy is 19

Step-by-step explanation:

Let

x ----> the number of volleyballs

we know that

The cost of each volleyball net ($28) by the number of volleyball nets (4) plus the cost of each volleyball ($7) multiplied by the number of volleyballs (x) must be less than or equal to $250

so

The inequality that represent this situation is

28(4)+7x\leq 250

Solve for x

112+7x\leq 250

subtract 112 both sides

7x\leq 250-112

7x\leq 138

Divide by 7 both sides

x\leq 19.7

therefore

The maximum number of volleyballs that she can buy is 19

4 0
3 years ago
What is the value of X ?
umka21 [38]

Answer:

15 because its 15j hvyb

7 0
4 years ago
Please show an actual answer i need help
jek_recluse [69]

Answer:

1. wire is approx. 143.96 ft

2. pole is approx. 106.55 ft

Step-by-step explanation:

Mapping the information on the SOHCAHTOA picture below:

Φ = 46

wire = hypotenuse

adjacent side = 100

CAH is most suitable:

cos 46° = 100/wire => wire = 100/cos 46 ≈ 143.96

pole = opposite side + 3

TOA is most suitable:

tan 46° = (pole-3)/100 => pole = 3 + 100 * tan 46 ≈ 106.55

4 0
3 years ago
The selling price is $750. The rate of the sales tax is 5%. How much is the sales tax?
ElenaW [278]

Answer:

37.5

Step-by-step explanation:

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Sales tax= 5%

5/100 because we are looking for 5% ot of 100%

750*0.05

5 0
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Answer:

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Step-by-step explanation:

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