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vichka [17]
3 years ago
14

A student started out poorly on his first mathematics test. However, he doubled his score on each of the next two tests. The thi

rd test grade was 100. What was the student’s average test grade? Round to the nearest tenth.
Mathematics
1 answer:
dsp733 years ago
6 0
His score is 50

How to:
First test grade:0
Second test grade:50
Third test grade: 100
Add all three and divide by 3
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How many ways can the words in d-r-a-g-o-n-f-l-y be arranged
GarryVolchara [31]

Answer:

362880 ways

Step-by-step explanation:

The word dragonfly has 9 different letters.

So, to find how many ways this word can be arranged, we just need to calculate the factorial of 9:

First letter has 9 possibilities

Second letter has 8 possibilities (one used)

Third letter has 7 possibilities (two used), and so on.

So the number of ways is:

9*8*7*6*5*4*3*2*1 = 362880 ways

7 0
3 years ago
Gita used 6.18 pounds of strawberries and 6.1 pounds of raspberries to make jam. Write an inequality to represent the two amount
hjlf

Answer:

Step-by-step explanation:

Given

Strawberry = 6.18 pound

Raspberry = 6.1 pound

Required

Represent the given parameters with an inequality and describe the inequality

From the given parameters, we understand that the number of strawberry is more than the number of raspberry

The bold text above implies greater than;

Representing that, using mathematics notations; we have

Strawberry > Raspberry

Substitute 6.18 for Strawberry and 6.1 for Raspberry;

6.18 > 6.1

Hence, the inequality is: 6.18 > 6.1

<em>The meaning of the inequality is that Gina needs more pounds of Strawberry than Raspberry to make the jam</em>

6 0
3 years ago
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Find the slope of the line passing through the points (3,4) and (8, -3)
marshall27 [118]

Answer:

1.5

Step-by-step explanation:

y2 - y1 ÷ x2 - x1

(3,4) (8, -3)

(x1,y1) (x2,y2)

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3 years ago
According to a researcher who was quoted in a New York Times article in March, 2011, 65% of U.S. community college students must
steposvetlana [31]

Answer:

Null Hypothesis: p = 0.65.

Step-by-step explanation:

The null hypothesis is the expected population population, from an assumption deriving for example, from a previous experiment.

According to a researcher who was quoted in a New York Times article in March, 2011, 65% of U.S. community college students must take at least one remedial course in English

This means that the expected value of the population proportion is p = 0.65, which is the null hypothesis.

Null Hypothesis: p = 0.65.

3 0
3 years ago
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