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kolezko [41]
3 years ago
7

( 3x + 5 ) ki power 2 expend it​

Mathematics
1 answer:
Pepsi [2]3 years ago
4 0

This question is soooo easy

Step-by-step explanation:

(3x)^2+(5)^2+2.3x.5

9x^2+25+30x

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A hamster runs on a wheel at a rate of 4 miles per hour. What is it's speed in kilometers per second? Round your answer to the n
Solnce55 [7]

Answer:6.437376 Kilometers per Hour

Step-by-step explanation:

6 0
3 years ago
Mike and Beth both write the decimal 0.8 (0.88888...)as a fraction. Mike: 45 Beth: 89 Which student wrote the correct fraction?
fenix001 [56]

Answer:

see the explanation

Step-by-step explanation:

we have

0.888...

This is a <u>repeating decimal</u> (Is a decimal that has a digit, or a block of digits, that repeat over and over and over again without ever ending)

Convert to fraction number

Let

x=0.888...

10x=8.888...

Subtract 0.888... from 8.888... to remove the decimal

10x-x=8.888...-0.888...

9x=8

Solve for x

x=8/9

therefore

Mike fraction is incorrect

because 4/5=0.8

0.8 is a <u>terminating decimal </u>(It's a decimal with a finite number of digits)

Mike's mistake was considering the number as a terminating decimal instead of a repeating decimal

Beth is correct

because

If you divide 8/9

the result is 0.8888888...

3 0
2 years ago
Graph the inequality. y&gt;|x+5|-3
BlackZzzverrR [31]

Answer:

Step-by-step explanation:

6 0
2 years ago
Please help. Its my last, please show at least some steps as I need to show work. Tysm
Fofino [41]
What’s your question :D
5 0
3 years ago
A number y added to 2 is greater than y
pochemuha

Answer:

y+2>y

Step-by-step explanation:

Well, first of all. Adding any sum to y makes it greater then the same variable.

Greater than sign is >. Keeping that in mind now add them. y+2>y is gonna be you’re final answer!

8 0
1 year ago
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