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vladimir1956 [14]
3 years ago
9

I need help with this to I just want to make sure I’m right or wrong.!

Mathematics
2 answers:
yulyashka [42]3 years ago
6 0

Answer:

the answer is D

Step-by-step explanation:

Dahasolnce [82]3 years ago
3 0
I’m pretty sure you’re right. hope this helps:)
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Grace wove a potholder with an area of 80 square inches. The lengths and widths of the sides are whole numbers. Which dimensions
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Answer:

Kindly check explanation

Step-by-step explanation:

Given the question :

Grace wove a potholder with an area of 80 square inches. The lengths and widths of the sides are whole numbers. Which dimensions make the most sense for a potholder?

Since the Area of the potholder = 80 sq inch

And the dimension of the potholder ; length and width are integers ; Hence, possible dimensions could be ;

Area = length × width

80 = length × width

(80, 1), (40, 2), (20, 4), (10, 8), (16, 5)

Potholders are fabrics sewn from the purpose of being used to handle pots and other kitchen equipments.

Usually the dimension are usually close, hence, the most sensible dimension a potholder with an area of 80 sq inch could have is 8 by 10 or vice-versa.

7 0
3 years ago
Suppose that a sample of size 100 is to be drawn from a population with standard deviation L0. a. What is the probability that t
NARA [144]

Answer:

The probability that the sample mean will lie within 2 values of μ is 0.9544.

Step-by-step explanation:

Here

  • the sample size is given as 100
  • the standard deviation is 10

The probability that the sample mean lies with 2 of the value of μ is given as

                                            P(| \bar{X}-\mu|

Here converting the values in z form gives

P(-2

Substituting values

P(-2

From z table

P(z\leq 2)=0.9772\\P(z\leq -2)=0.0228\\P(-2\leq z\leq 2)=P(z\leq 2)-P(z\leq -2)\\P(-2\leq z\leq 2)=0.9772-0.0228\\P(-2\leq z\leq 2)=0.9544\\

So the probability that the sample mean  will lie within 2 values of μ is 0.9544.

5 0
3 years ago
Mr. Gengel wants to make a shelf with boards that are 1 1/3 feet long. If he has an 18-foot board, how many pieces can he cut fr
irina1246 [14]

Answer:

13

Step-by-step explanation:

1 1/3 = 4/3

18 ÷ 4/3

= 13

3 0
3 years ago
A cake calls for 25 cups of sugar. If I use 225 cups of sugar, how many batches did I make?
Alja [10]

Answer:

9

Step-by-step explanation:

225/25= 9

9 batches

5 0
3 years ago
Read 2 more answers
Henry's current age is 10 times Justin's current age. In 6 years Henry's age will be 4 times Justin's age. Which system of equat
Anna11 [10]
The answer is C: H=10J
                             H+6=4(J+6)
8 0
3 years ago
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