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emmainna [20.7K]
3 years ago
9

Order the steps needed to simplify this expression

Mathematics
1 answer:
mash [69]3 years ago
7 0

Answer:

1. Simplify inside parentheses

2. Evaluate Exponents

3. Perform multiplication and division

4. Perform addition and subtraction left to right

Step-by-step explanation:

Parenthesis

Exponents

Multiplication

Division

Addition

Subtraction

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How do you solve x^2+11x+18=0 with either quadratic formula. factoring. or squarerooting
Lostsunrise [7]
I always prefer factoring, if there are simple factors.
There are simple factors here.

x² + 11x + 18 = 0

(x + 2) (x + 9) = 0

The left side is zero if either factor is zero.

First factor:
x + 2 = 0
<u>x = -2</u>

Second factor:
x + 9 = 0
<u>x = -9 </u>

 
3 0
3 years ago
Read 2 more answers
How to solve this math ​
Scorpion4ik [409]
The second choice is correct
4 0
3 years ago
Kasey and her sister both sold cookie dough. Her sister sold three times as many tubs of cookie dough. If they sold a total of 8
Rufina [12.5K]
X= number of tubs Kasey sold
3x= number tubs sister sold

Add the number sold by Kasey and her sister to equal the total sold (88).

x + 3x= 88
combine like terms

4x= 88
divide both sides by 4

x= 22 number tubs Kasey sold


Number Sold by Sister
3x= 3(22)= 66


CHECK:
x + 3x= 88
22 + 3(22)= 88
22 + 66= 88
88= 88


ANSWER: Kasey sold 22 tubs and her sister sold 66 tubs.

Hope this helps! :)
7 0
3 years ago
What is the surface area of the pyramid whose net is shown here?
Lunna [17]
Urface area  = area of the square + area of the 4 triangles

= 6*6 + 4(1/2*6*6)  

= 36 + 4 * 18  = 108 sq cms
4 0
3 years ago
Emma earned a grade of 95% on her multiple choice history final that had a total of
Scrat [10]

Answer:

171

Step-by-step explanation:

180×95/100

180×95=17100

17100/100=171.

That is how I got my answer.

7 0
2 years ago
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