2 years ago

I NEEDDD HELP PLEASE!!! this is due today!

Mathematics

1 answer:

ozzi2 years ago

8 0

Answer:

What is it love ?

Step-by-step explanation:

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Arlene us showing her work in simplifying(−7.9)+8.2−3.4+2.1 identify any error in her work or in her reasoning.

Brums [2.3K]

Keep doing each step manually, and see where it slips up: −7.9+8.2−3.4+2.1=−1 −7.9+8.2+(−3.4)+2.1=−1 −7.9+(−3.4)+8.2+2.1=−1 (−7.9+(−3.4))+(8.2+2.1)=−1 −11.3+10.3=−1

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3 years ago

Consider the expression 4 5/7 + 3 1/2 write an equivalent expression that has numbers with like denominators. Enter your express

marissa [1.9K]

You can do 4 10/14 + 3 7/14

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2 years ago

Write an

makkiz [27]

The answer is (x-y)^2
hope it helps!!!!!!
the formula is
(a-b)^2
and when you expand it, it becomes
a^2-2ab+b^2

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2 years ago

1. 3x + 7 = 13 (x = -2; x = 2; x = 5)

White raven [17]

3x + 7 = 1 3

3x = 13 - 7

3x = 6

x = 6/3

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2 years ago

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Naomi has 45 minutes to get ready for school she spends x minutes getting dressed write an expression that respetents the number

andriy [413]

ANSWER

$(45 - x) \: minutes$

EXPLANATION

Total minutes Naomi has at her disposal is 45 minutes.

The number of minutes she spends getting dressed is

$x$

To find the number of minutes she still has to get ready, we subtract the minutes spent from the total minutes.

The number of minutes she still have to get ready is

$(45 - x) \: minutes$

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3 years ago