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ololo11 [35]
3 years ago
11

Mario was visiting the carnival when he noticed a few number relationships.

Mathematics
2 answers:
BlackZzzverrR [31]3 years ago
4 0
100/1 x3/10=30 adults

B. 5/8 x64/1 =40 dolls

therefore 64-40=24 were not dolls
Ahat [919]3 years ago
3 0

Answer: a) 30 and b) 24.

Step-by-step explanation:

Since we have given that

a) Number of visitors = 100

According to question, we get that If three-tenths of the visitors were adults.

So, number of adults would be

\dfrac{3}{10}\times 100\\\\=3\times 10\\\\=30

b) Number of prizes = 64

According to question, Five-eighths of the prizes at the Giant Spin were dolls.

So, Number of prizes are not dolls is given by

(1-\dfrac{5}{8})\times 64\\\\=\dfrac{3}{8}\times 64\\\\=3\times 8\\\\=24

Hence, a) 30 and b) 24.

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PLEASE HELP ASAP!!!!!!
Natali5045456 [20]

Answer:

13.60 See the note below.

Step-by-step explanation:

Remark

This is just the reverse of the question you just did. This time you are trying to solve for c

Givens

  • a = 8
  • b = 11
  • c = ??

Solution

c^2 = a^2 + b^2        Substitute the givens.

c^2 = 8^2 + 11^2       Expand

c^2 = 64 + 121           Combine the right side by adding

c^2 = 185                   Take the square root of both sides.

sqrt(c^2) = sqrt(185)       Complete the operation

c =  13.601                   Round to the nearest 1/100 th

c = 13.60                      Note: the zero must be there or the answer does not show the nearest 1/100 th

8 0
3 years ago
Sharon wants to buy a shirt that costs $50. the sales tax is 5%. how much is the sales tax? what is her total cost for the shirt
maria [59]
5% of $50 = 5/100 x 50 = $2.50
Total = 50 + 2.50 = $52.50

The saes tax is $2.50; her total cost of the shirt is $52.50
6 0
3 years ago
Read 2 more answers
Find each percent change 40 to 2
Nostrana [21]

The question we need to ask is what percent of 2 is 40?

40 is 20 times 2 so 20 would be 2,000%

We need to subract 100% from any percent change:

2,000% - 100% = 1,900%

ANSWER: 1,900%

3 0
3 years ago
Lori bought a shirt and a hat at half-off sale. If she spent a total of $21 on the two items, what was the original price of the
Rzqust [24]

Answer:

41

Step-by-step explanation:

first you do 21×2 and that's literally it

3 0
3 years ago
2 Points<br> What is the slope of the line described by the equation below?<br> y=-x+8
MaRussiya [10]

Answer: -1

Step-by-step explanation:

slope formula: y=mx+b

m=slope

y=(-1)x+8

5 0
3 years ago
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