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3 years ago

4. f(x) =-2x+7 Find Range

1 answer:

8 0

It’s gonna be all real numbers (-infinity, infinity) because it goes through all the points. And because there’s no restrictions

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Whats is the answer to 3/4 times 12

tigry1 [53]

The answer will be 9

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3 years ago

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Solve 16x+9=9y−2x16x+9=9y−2x for y

denis23 [38]

16x + 9 = 9y-2x Add 2x to both sides
18x + 9 = 9y Divide both sides by 9
2x + 1 = y Switch the sides to make it easier to read
y = 2x + 1

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3 years ago

HAPPY EARTH DAY GUYS! :)

Alecsey [184]

Answer:

THANK YOU! YOU TOO! :)

Step-by-step explanation:

Have a nice dayyyyyy <3

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2 years ago

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A bicycle is traveling at 22 miles per hour. How many feet will it cover in 45 seconds? Round your answer to the nearest tenth o

puteri [66]

Answer:

1452 feet

Step-by-step explanation:

1 hour = 60min×60sec = 3600 sec

1 miles = 5280 feet

22 miles = 22×5280ft = 116160 ft

3600sec ................. 116160 ft

45sec ................................ x ft

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7 0

3 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.

Claim 2. : Mean age of online dating service users is not 40 years.

$\mu\neq40$

⇒ Null Hypothesis : $H_0:\mu=40$

Alternative hypothesis : $H_0:\neq40$

5 0

3 years ago