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Irina-Kira [14]
3 years ago
12

If 8 out of 40 students picked pizza for lunch today what percentage pick Pizza

Mathematics
2 answers:
artcher [175]3 years ago
5 0
20% because 10% of 40 is 4 so 4+4=8 then that is 10%+10% so 20% will be your answer. :)
lapo4ka [179]3 years ago
3 0
I think 20% would be your answer because 8 x 5 = 40, and it would be 20%.

Glad I could help, and good luck!

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The number w and 0.8 are additive inverses.
umka2103 [35]

Since, the number w and 0.8 are additive inverses.

A number 'a' is said to have an additive inverse '-a' if "a+ (-a)= 0".

Since, 'w' and '0.8' are additive inverses of each other such that w + 0.8 = 0

Therefore, the value of 'w' should be '-0.8' so that -0.8 + 0.8 = 0.

So, the value of 'w' is =0.8

Now, Refer to the attached image which represents the position of 0.8 , w ( that is -0.8) and the sum of 0.8 and w.

Sum of 0.8 and w = 0.8 + w

= 0.8 +(-0.8)

= 0.

3 0
3 years ago
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You and three friends spend $35 on tickets at the movies.Write and solve an equation to find the price of one ticket
marysya [2.9K]

Answer:

$8.75

Step-by-step explanation:

You and three friends = 4 people

$35 / 4 people = $8.75

The cost of one ticket is $8.75

Hope this helps :)

5 0
3 years ago
PLEASE HELP URGENT I NEED THIS LIKE RIGHT NOW PLEASE HELP MEEEEEEEE
Bingel [31]

Answer:

45

Step-by-step explanation:

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3 years ago
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Concrete is poured to create a slab in the shape of a rectangular prism. The slab is 50 yards long, 1.5 yards wide, and 0.25 yar
Mice21 [21]

Answer:

Volume formula is to multiply all dimensions.

Answer: 18.75

You’re welcome

Step-by-step explanation:

3 0
3 years ago
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An urn contains 2 red marbles and 3 blue marbles. 1. One person takes two marbles at random from the urn and does not replace th
Ghella [55]

Answer:

A) The best way to picture this problem is with a probability tree, with two steps.

The first branch, the person can choose red or blue, being 2 out of five (2/5) the chances of picking a red marble and 3 out of 5 of picking a blue one.

The probabilities of the second pick depends on the first pick, because it only can choose of what it is left in the urn.

If the first pick was red marble, the probabilities of picking a red marble are 1 out of 4 (what is left of red marble out of the total marble left int the urn) and 3 out of 4 for the blue marble.

If the first pick was the blue marble, there is 2/4 of chances of picking red and 2/4 of picking blue.

B) So a person can have a red marble and a blue marble in two ways:

1) Picking the red first and the blue last

2) Picking the blue first and the red last

C) P(R&B) = 3/5 = 60%

Step-by-step explanation:

C) P(R&B) = P(RB) + P(BR) = (2/5)*(3/4) + (3/5)*(2/4) = 3/10 + 3/10 = 3/5

3 0
2 years ago
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