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MissTica
2 years ago
5

Which of the given pairs of expressions are equivalent? Select all that apply.

Mathematics
2 answers:
Artyom0805 [142]2 years ago
8 0

Answer:

sorry I don't know about this Question

qwelly [4]2 years ago
6 0
Can you put a picture of the pairs and answers
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A crew of highway works paved 1/5 mile in 1/8 hour if they work at the same rate how much will they pave in one hour
Allushta [10]

Answer:

a 1.6 miles

Step-by-step explanation:

1/8 hour=7.5

60/7.5=8

1/5*8=1.6

4 0
3 years ago
A set of data items is normally distributed with a mean of 400 and a standard deviation of 60. Find the data item in this distri
Softa [21]

Answer:

The data item is X = 580

Step-by-step explanation:

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

Mean of 400 and a standard deviation of 60.

This means that \mu = 400, \sigma = 60

z=3

We have to find X when Z = 3. So

Z = \frac{X - \mu}{\sigma}

3 = \frac{X - 400}{60}

X - 400 = 3*60

X = 580

The data item is X = 580

6 0
3 years ago
Jahkai went to an amusement park and bought 20 ride tickets for $12. How much
kkurt [141]

Answer:

65 ride tickets would cost $39

Step-by-step explanation:

so

12 ÷ 20 = 0.6 <em>(I checked it by multiplying 0.6 by 20 to get 12)</em>

0.6 × 60 = 39

65 tickets would cost $35

5 0
3 years ago
Eric made 3 batches of cupcakes for the bake sale. He needs at least 120 cupcakes for the bake sale. He also plans on giving 20
polet [3.4K]

Answer:

c≥47

Step-by-step explanation:

120+20=140

140/3≈46.667

46.667≈47

Ther can be no less than 47 cupcakes

8 0
3 years ago
PLEASE HELP ME ASAP! I WILL GIVE YOU BRAINLIEST!
laila [671]

Answer:

It is going to be G - 3,024 m²

Step-by-step explanation:

:)

5 0
3 years ago
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