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luda_lava [24]
2 years ago
5

10 points please help and marked brainlyist

Mathematics
1 answer:
kherson [118]2 years ago
6 0

Answer:

A.

Sample 1 mean: 6.375

Sample 2 mean: 6.375

Sample 3 mean: 6.625

B.

Range of sample means: 0.25

C.

The first and last boxes should be checked, as they are true.

Step-by-step explanation:

To calculate the mean you must add all of the numbers together and then divide the sum by the quantity of numbers. Ex: 3+7+8+3+7+9+6+8 = 51.

51/8 = 6.375.

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Answer:

y = -6

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3 years ago
Malachy was thinking of a number. Malachy doubles it and gets an answer of 91.6. What was the original number?
zubka84 [21]

Answer:

45.8

Step-by-step explanation:

Say the number Malachy was thinking of is <em>x</em>.

Doubling it gives 2x, which we see also equals 91.6. Set these equal to each other:

2x = 91.6

To solve, we divide both sides by 2 and get x = 45.8, which is our answer.

5 0
3 years ago
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What is the area of the polygon shown below? (in the image). A. 322 mm^2 B. 364 mm^2 C. 520 mm^2 D. 584 mm^2 Show all work pleas
Oksanka [162]

Answer:

A. 322 mm^2

Step-by-step explanation:

The area of the rectangle is 14 times 20

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3 years ago
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Rudik [331]

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1.7x3=5.1

Now subtract.

7.5-5.1=2.4

---

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6 0
3 years ago
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