3 years ago

Determine the reading of the scale of the following instrument

Mathematics

1 answer:

Zanzabum3 years ago

6 0

Answer: is there suppose to be a pictured inserted?

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Express (a+b) ^2 -4 by factorization

NemiM [27]

Step-by-step explanation:

$= (a + b) {}^{2} - 2 { }^{2} \\ = ( a + b + 2)(a + b - 2)$

in 2nd exp. this is because by using the formula of a2-b2

5 0

3 years ago

Your total at a store is $50. If you decide to use a coupon for 10% off, which expression

Mrac [35]

im gonna say d not sure, 10% is 5 dollars off tho

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3 years ago

Read 2 more answers

Complete the proof. If 7+5x+9=−3x , then x=−2 .

sashaice [31]

Answer:

7+5x+9=−3x

7+5(-2)+9=−3(-2)

7+-10+9=6

-3+9=6

6=6

Step-by-step explanation:

7+5x+9=−3x

7+5(-2)+9=−3(-2)

7+-10+9=6

-3+9=6

6=6

5 0

4 years ago

Evan and Dorinda make bracelets for a craft fair.

trapecia [35]

Answer:

98 bracelets

Step-by-step explanation:

Dorinda makes 50 bracelets (5*8+10=50) and Evan makes 48 (6*8=48). 48+50=98

8 0

3 years ago

I need the answer for this

Snezhnost [94]

Answer:

It would be a 3943.002

Step-by-step explanation:

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2 years ago