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ryzh [129]
3 years ago
13

Ill mark brainlist plss help

Mathematics
2 answers:
iVinArrow [24]3 years ago
7 0

Answer:

35

Step-by-step explanation:

35 : 14 = 5 : 2

AURORKA [14]3 years ago
4 0
The answer to pick would be 35b
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Help me. Please help me.
tekilochka [14]

Answer:

x=10 y=35 adjacent: AFE; CFD; BFC;BFD; AFB

Step-by-step explanation:

6 0
2 years ago
steve has quiz scores of 60,64,75,71. If all the quizzes count the same, what is the lowest grade he can make on the next quiz t
NeX [460]

Answer:

The last quiz score must be at least an 80 to get the average to be a 70.

Step-by-step explanation:

In order to find this, you need to take the average of the 4 test scores along with the unknown test score (x). So, to find an average, we add all the numbers together and divide by the amount of tests taken. We can then set this equal to 70 since that is the minimum average.

(60 + 64 + 75 + 71 + x)/5 = 70 ------> Multiply both sides by 5

(60 + 64 + 75 + 71 + x) = 350 -----> Combine like terms

270 + x = 350 -----> Subtract 270 from both sides

x = 80

7 0
3 years ago
Triangle DEF is reflected over the y-axis, and then translated
nika2105 [10]

Answer:c

Step-by-step explanation:

5 0
3 years ago
Lucy bought 6 notebooks for $15.30. What is the cost of a notebook, in dollars, if all the notebooks cost the same?
Margaret [11]

Answer: Each notebook cost $2.55

Step-by-step explanation:

You divide $15.30 by 6, which equals $2.55.

5 0
2 years ago
Read 2 more answers
The Precision Scientific Instrument Company manufactures thermometers that are supposed to give readings of 0°C at the freezing
Serjik [45]

Answer:

c) -1.75°

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 0, standard deviation of 1:

This means that \mu = 0, \sigma = 1

Find the reading that separates the bottom 4% from the others.

This is the 4th percentile, which is X when Z has a p-value of 0.04, so X when Z = -1.75.

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

-1.75 = \frac{X - 0}{1}

X = -1.75*1

X = -1.75

The correct answer is given by option c.

7 0
2 years ago
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