3 years ago

Evaluate the given algebraic expressions replacing x with −2 and y with 1. 3x2

Mathematics

1 answer:

Rom4ik [11]3 years ago

3 0

Answer:

No solutions

Step-by-step explanation:

3x^2=y

3(-2)^2=1

Follow P.E.M.D.A.S.

3(4)=1

12=1

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Diane's cat has a tail that is 48 centimeters long. How many millimeters is the length of the tail?

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Answer:

480 millimeters

Step-by-step explanation:

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Step-by-step explanation:

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Arte-miy333 [17]

Answer:

60 songs.

Step-by-step explanation:

The percentages there are an equal sign so

0.45x=27

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3 years ago

The table shows the battery life of four different mobile phones:

Pie

Answer:

A 20

Step-by-step explanation:

Given

Phone Battery Life (hours)

A 20

B 25

C 10

D 18

8.45% of the battery life of each mobile phone is used in a day by a typical user

Calculating Hours of battery life in a day for each mobile

A 20

Battery life for A = $\frac{8.45}{100}\times 20 = 1.69$ hours

B 25

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