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qaws [65]
2 years ago
6

2 + 2 = ? This is for easy points!

Mathematics
2 answers:
Setler79 [48]2 years ago
6 0
4 is the answert :))
SIZIF [17.4K]2 years ago
4 0
4!!!!!!!!!!!!!!!!!!!
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What is the image of (12,-9) after a dilation by a scale factor of 1/3 centered at the origin
vladimir2022 [97]

Answer:

(4, -3)

Step-by-step explanation:

You just divide each coordinate by 3.

7 0
3 years ago
a scale drawing of a building needs to be made using the scale 1 in = 190 ft. how tall will the builging in the scale drawing be
Artist 52 [7]

Answer:

\boxed{\text{3 in}}

Step-by-step explanation:

1 in = 190 ft

x in = 570 ft

We can use ratio and proportion to solve this problem.

\begin{array}{cccl}\dfrac{1}{x} & = & \dfrac{190}{570} & \\\\570 & = & 190x & \text{Mutiplied by lowest common denominator (570x)}\\3 & = & x & \text{Divided each side by 3}\\\end{array}

The building will be \boxed{\textbf{3 in}} tall in the scale drawing.

3 0
3 years ago
Suppose you are conducting a study to determine if women are better drivers than men. You send your survey to over 1000 students
julsineya [31]

Answer:

555.56

Step-by-step explanation:

Purpose of the study:  To determine if women are better drivers than men.

Survey or Opinion population:  1,000

You are experimenting on 9 out of a thousand opinions.

5 of these opinions are that women are better drivers

4 of these opinions are that women are not better drivers

You want to know the <em>sample</em> (full sample size is 9) <em>proportion</em> for women as better drivers; using the large sample method. This method is also called the asymptotic method.

This involves approximating the desired statistic, with just a small fraction of the population; in this case, 9/1000.

This approximation will get more and more accurate as sample size increases and you know that a larger sample size gives a better representation and interpretation of the population preference!

So using ratio, the sample proportion for women as the better drivers is given by:

5/9 x 1000   = 555.56 opinions

8 0
2 years ago
The ratio of Sara and Laila age was 5:4. 2 years later their ratio is 6:5. What is their current ages?
coldgirl [10]

Answer:

do no

Step-by-step explanation:

6 0
2 years ago
The least common denominator of two fractions is 100. If you subtract the two denominators, their difference is 5 What are the d
SpyIntel [72]
The 2 denominaters are 20 & 25
6 0
3 years ago
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