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ASHA 777 [7]
3 years ago
5

Use an addition property to solve for B

Mathematics
2 answers:
snow_tiger [21]3 years ago
8 0

Solve for B.

-12 + 16 = 16 + b

4 = 16 + b

4 - 16 = 16 + b -`16

-12 = b

Option B is the correct answer.

Hope This Helped! Good Luck!

stich3 [128]3 years ago
5 0

Answer:

B.

Step-by-step explanation:

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A high school student took two college entrance exams, scoring 1070 on the SAT and 25 on the ACT. Suppose that SAT scores have a
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Answer:

Due to the higher z-score, he did better on the SAT.

Step-by-step explanation:

When the distribution is normal, we use the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore 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 pvalue, we get the probability that the value of the measure is greater than X.

Determine which test the student did better on.

He did better on whichever test he had the higher z-score.

SAT:

Scored 1070, so X = 1070

SAT scores have a mean of 950 and a standard deviation of 155. This means that \mu = 950, \sigma = 155.

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

Z = \frac{1070 - 950}{155}

Z = 0.77

ACT:

Scored 25, so X = 25

ACT scores have a mean of 22 and a standard deviation of 4. This means that \mu = 22, \sigma = 4

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

Z = \frac{25 - 22}{4}

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Due to the higher z-score, he did better on the SAT.

8 0
3 years ago
What is 3.502 rounded to the nearest 0.1 pound
Luda [366]

Answer:

3.5

Step-by-step explanation:

3 0
2 years ago
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Write the equation for the graph in slope-intercept form.
Maslowich

Answer:

y = -\frac{3}{4}x + 1

Step-by-step explanation:

y = mx + b

Find two point on the graph (0,1) (4,-2); 1 is the y intercept

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3 years ago
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While traveling to the office, dolly drives her car at a speed of 60 kmph and then suddenly the car stopped on half of her dista
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The average speed of Dolly is 33.33kmph.

Average Speed:

The average speed is defined as the total distance travelled by the object in a particular interval of time. It can be calculated by dividing the total distance travelled by the total time taken.

So, Average Speed = total distance / total time

Here,

Let the total distance is 100 km.

Therefore, consider she will travel 60 km at speed of 60 kmph , 30 km at speed of 30 kmph and 10 km at speed of 10 kmph.

she will required times of 1 hour, 1hour and 1hour

So,

Average speed = 100 / (1 + 1 + 1)

=> 100 / 3 = 33.33

To know more about Average speed here

brainly.com/question/12322912

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2 years ago
Which statement would produce a tautology?
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4. The hurricane hit in 3 p.m. in the afternoon. 
5. Don't worry, everything is well and good.
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3 years ago
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