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2 years ago

6

daniel is using a scale factor of 10 to enlarge a class photo that measures 3.5 inches by 5 inches what are The dimensions Love

the photo after the dilation

1 answer:

Sholpan [36]2 years ago

6 0

35 inches by 50 inches

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Estimate the value of 1573 + 1211<br> - 697.

Mumz [18]

Answer:

2100

Step-by-step explanation:

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3 years ago

What is the perimeter of a triangle if the lengths of the sides are 8", 10", and x?

Readme [11.4K]

Question 3. the answer is 18
4. the answer is 3x+3y

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2 years ago

The city school district is considering increasing class size in the elementary schools. However, some members of the school boa

Snezhnost [94]

Answer:

The null hypothesis would say that class size has no effect on students learning.

Step-by-step explanation:

Null hypothesis is a type of hypothesis that is used in statistics which proposes that there is no difference between a certain characteristic of a population or the data - generating process.

Now, in this question,the school district is considering increasing class size in the elementary schools but we want to check whether larger classes may have a negative effect on students learning.

Thus, the null hypothesis would reject this claim of larger classes having negative effect on students and say that class size has no effect on students learning.

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2 years ago

Question 4. In the graph, lines f and g intersect at P(6,6). What is the area, in square units, of the shaded region? * E. 15 F.

erastova [34]

Answer:

E

Step-by-step explanation:

i guess the dotted lines outline a square

so get the area of the square which is 6×6=36

then don't focus on the shaded part but unshaded you'll see two right angled triangles

$a = 1 \div2b \times h$

you will get a total for both as 21

then get the area of the square 36-21=15

so the area becomes 15

3 0

2 years ago

The manufacturer of a certain brand of aluminum foil claims that the amount of foil on each roll follows a Normal distribution w

natali 33 [55]

Answer: 0.4207

Step-by-step explanation:

Let $\overline{x}$ be the sample mean area.

Given: Population mean : $\mu=250$ sq. feet

Standard deviation: $\sigma=2$ sq. feet

Sample size : n= 10

The probability that the sample mean area is $249.6 \text{ ft}^2$ or less if the manufacturer’s claim is true.

$P(\overline{x}$

Required probability = 0.4207

5 0

2 years ago