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gladu [14]
3 years ago
8

Which statement describes the mapping?

Mathematics
1 answer:
My name is Ann [436]3 years ago
4 0

Answer:

(-1,1)(0,4)(2,7)(3,7)

Step-by-step explanation:

the arrows point from the x coordinate to the y coordinate in each in pair

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In a game, the two players scored a total of 121 points. One player had 13 more points than the other player. How many points di
chubhunter [2.5K]
I think the person with the fewer points scored 54 points
6 0
3 years ago
How do you solve X-2>5
fenix001 [56]

Answer:

x>7

Step-by-step explanation:

Add 2 to both sides

8 0
3 years ago
A market research analyst claims that 32% of the people who visit the mall actually make a purchase. You think that less than 32
Rainbow [258]

Answer:

E. -1.48

Step-by-step explanation:

The test statistic is:

t = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}

In which X is the sample mean, \mu is the expected value, \sigma is the standard deviation and n is the size of the sample.

A market research analyst claims that 32% of the people who visit the mall actually make a purchase.

This means that:

\mu = 0.32

\sigma = \sqrt{0.32*0.68} = 0.4665

You stand by the exit door of the mall starting at noon and ask 82 people as they are leaving whether they bought anything. You find that only 20 people made a purchase.

This means that n = 82, X = \frac{20}{82} = 0.2439

The value of the test statistic is about:

t = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}

t = \frac{0.2439 - 0.32}{\frac{0.4665}{\sqrt{82}}}

t = -1.48

So the correct answer is given by option E.

3 0
3 years ago
Find the slope of the line and tell what the slope represents
Ainat [17]

Answer:

slope is 2

it represents the difference between the 2 points

8 0
3 years ago
I Need to know a or b is the answer to this question
grandymaker [24]

Answer:

A

Step-by-step explanation:

in option B, you are adding the 3 pound plastic box to each cardboard box

in option A, you have 5 separate carboard packages, and one 3 pound plastic box

This [option a] is the diagram that matches the scenario given.

Think of the x's as normal numbers. Let's say the weight of each "x" is 1. [it's not I'm aware that this question is different]

if you have 5 x's, you have

1 1 1 1 1 3

<em>not </em>1+3 ; 1+3 ; 1+3 ; 1+3 ; 1+3

you would only have this if you were to add a 3 pound plastic box to each individual package

3 0
2 years ago
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