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3 years ago

Wyatt says that statistical questions must involve numbers in the question. Do you agree with Wyatt? Explain.

1 answer:

5 0

Numbers aren't necessary in a statistical question. For example if a question stated "There are twice the amount of blue marbles than red marbles in a bag, whats the probability you will pick a red marble?" No numbers are involved in the question but you can still find statistics.

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210 balloons are filled for a reception this is 70% of the entire number balloons purchased which equation can be used to find t

Yuri [45]

Answer:

300 balloons.

Step-by-step explanation:

Given:

210 balloons are filled for a reception this is 70% of the entire number balloons purchased.

Question asked:

Which equation can be used to find the total number of balloons purchased ?

Solution:

Let total number of balloons purchased = $x$

70% of the number of balloons purchased = 210

$\frac{70}{100} \times x=210\\ \\ \frac{7x}{10} =210\\ \\ By\ cross\ multiplication\\ \\ 7x=210\times10\\ \\7x=2100\\\\ By\ dividing\ both\ sides\ by\ 7\\ \\ \frac{7x}{7} =\frac{2100}{7} \\ \\ x=300$

Therefore, total number balloons purchased was 300.

3 0

3 years ago

a shopper purchase 8 t-shirts and 5 pairs of pants for $220 the next day he purchased 5T shirts and one pair of pants for $112 h

Lyrx [107]

Each pair of pants cost $27. Set up a system of equations.
5t + 5p = 220
5t + p = 112
Subtracting the second equation from the first,
4p = 108
p =27

3 0

3 years ago

Read 2 more answers

Please help with the setup of the problem, thank you.

Mashcka [7]

Answer:

Step-by-step explanation:

I think the answer is 7;6

4 0

3 years ago

How many natural numbers lie between the squares of 49 and 51

inn [45]

Answer:

I think it is 50

Step-by-step explanation:

natural number

the positive integers (whole numbers) 1, 2, 3, etc., and sometimes zero as well

7 0

3 years ago

What the 2 soultion answer to y = 6x − 4 y = 5x − 3

d1i1m1o1n [39]

$y= 6x -4~~~~~~...(i)\\\\y = 5x -3~~~~~~...(ii)\\\\\text{From (i) and (ii):}\\\\~~~~~6x -4 = 5x -3\\\\\implies 6x -5x = -3 + 4\\\\\implies x = 1\\\\\text{Substitute x = 1 in equation (i):}\\\\y = 6(1) -4 = 2\\\\\text{Hence,}~ (x,y) = (1,2)$

6 0

2 years ago