2 years ago

Write a rule that represents each function (0, 3), (1, 5), (2, 7), (3, 9), (4, 11)

Mathematics

2 answers:

julia-pushkina [17]2 years ago

6 0

It is a function if ALL the x’s are different

saw5 [17]2 years ago

4 0

Answer:

y=2x+3

Step-by-step explanation:

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A soccer field has an area of 7/8 square miles. The length of the field is 2/5 miles. What is the width of the soccer field?

weeeeeb [17]

7/8=2/5x
If you solve this you get 2.1875 or 35/16

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2 years ago

Factor 6y + 8y 6y² +8y?

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7iuty

Step-by-step explanation:

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2 years ago

The perimeter of the new m-phone is 16 inches. The phones length is 5.25 inches. What is the width of the phone

True [87]

Perimeter is all the sides added up together.
Divide 16 by 2, so that you can get just a measurement of the length and the width.

16/2 = 8

Since the length is 5.25, subtract that by 8.

8-5.25 = 2.75

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2 years ago

A study claims that the mean age of online dating service users is 40 years. Some researchers think this is not accurate and wan

Mademuasel [1]

Answer: $H_0:\mu=40$

$H_0:\neq40$

Step-by-step explanation:

A null hypothesis is a hypothesis where a researcher generally try to disprove, it says that there is no statistically significant relationship between the two variables .
An alternative hypothesis says that there is a statistical significance between two variables.

Claim 1. : Mean age of online dating service users is 40 years.

i.e. $\mu=40$ , since it has equals sign so we take this as null hypothesis.