4 years ago

Hey, look who it is with more algebra questions

Mathematics

1 answer:

crimeas [40]4 years ago

3 0

the answer is D

4-1=3

4+1=5

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Find equivalent expressions for a+a+a+5+a+3 plz help

baherus [9]

4a+8
Add all A's together.
Add 5 and 3 together.

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4 years ago

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In order to determine an interval for the mean of a population with unknown standard deviation a sample of 61 items is selected.

Phoenix [80]

Answer:

c. 60

Step-by-step explanation:

Given

$n = 61$ --- sample

$\bar x = 23$

Required

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3 years ago

Find the area of the right triangle.<br> Be sure to include the correct unit in your answer.

deff fn [24]

Answer:

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1/2 × b × h

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3 years ago

Please help I literally don't understand-

Ivenika [448]

Well, QR is the hypotenuse of the triangle and PT is another side of the triangle. You can use phythagoras theorem to work this out. So squareroot 13-8. That should give your your answer

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3 years ago

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If your input is 7 what is your output?

Jobisdone [24]

Answer:

the answer would be 32 then. you start with 7 then add 1 then Multiple by 4 which equals 32

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3 years ago

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