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motikmotik
3 years ago
5

Teacher takes about 25 minutes to make out a test for a mathematics class. How long will it take to make out tests for all five

classes?
Mathematics
1 answer:
Akimi4 [234]3 years ago
6 0

Answer:

2h 5min

Step-by-step explanation:

1 class: 25 min

5 classes: 25 x 5 = 125 min = 2h 5min

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Okay so i'm confused about this question. Write an inequality for the phrase ''two more than three times a number is at most 53.
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Answer:

3m +2≤ 53

Step-by-step explanation:

thats just how it goes logically

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3 years ago
Simplify the algebraic expression to simplest form by combining like terms. c+c+c+d+c+d+d+c
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5c+3d

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5 x c

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How do I solve this? Step by step
shutvik [7]

Answer:

24.

Step-by-step explanation:

Substitute each instance of x with a 3.

That leaves us with 3^2 + 3x - 5 + 3^2 - 3x + 11.

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24.

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Find the unknown angle A<br>​
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Rosa is attending an event where prizes are being given away. The probability of winning a T‐shirt is 0.89 and the probability o
vagabundo [1.1K]

Answer:

It is very likely that Rosa wins both prizes.

Step-by-step explanation:

The probability of winning a T‐shirt is 0.89 and the probability of winning a $20 gift certificate is 0.05. Which statement correctly describes the chances of Rosa winning a T‐shirt or a $20 gift certificate?

We have these three possibe outcomes.

Win t-shirt(0.89 probability) and lose the gift certiciate(1 - 0.05 = 0.95 probability)

Lose t-shirt(0.11 probability) and win the gift certiciate(0.05 probability).

Win both.

So

p = 0.89*0.95 + 0.11*0.05 + 0.89*0.05 = 0.8955

0.8955 = 89.55% probability of Rosa winning a T‐shirt or a $20 gift certificate, which is considered a very likely probability. So the answer is:

It is very likely that Rosa wins both prizes.

5 0
3 years ago
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