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schepotkina [342]
2 years ago
11

What method would you choose to solve the equation 2x^2-7=9? Explain why you chose this method

Mathematics
1 answer:
emmasim [6.3K]2 years ago
4 0

Answer:

PEMDAS

Step-by-step explanation:

parenthesis, exponents,multiplication,division,additon,substraction, these are the steps in order to follow when solving equations.

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Use your creativity... Write a short story/problem/question that can be described by the scenario of 4 divided by 1/2
vazorg [7]

Answer:

I was at the store getting groceries I saw that there was a sell on bags of candy The original price was 4.00 dollars The sale is 1/2 off a bag of candy what is the new price.   The answer is 2.00 dollars.

8 0
3 years ago
HURRY PLS! <br><br> Evaluate if a= 4 and b=7<br> 28÷ b+7<br><br> A. 14<br> B. 11
Nastasia [14]

Step-by-step explanation:

Hi, I think correct variant is B

(28÷7)+7=4+7=11

8 0
2 years ago
Heeeeelp!!!!!!
nydimaria [60]

Answer:

29 nickels, 12 dimes

If the number of nickels is 7 less than three times the number of dimes, the answers should be 29 nickels and 12 dimes. Hope it helps!

7 0
3 years ago
Read 2 more answers
Help Pls! I need this fast!
lesya [120]

Answer: 36

Step-by-step explanation:

\overline{AB} \cong \overline{BC} (Triangle ABC is isosceles)

m\angle CAB=m\angle CBA=30^{\circ} (base angles of an isosceles triangle are congruent)

\angle MCB=90^{\circ} (In triangle CMB, angles in a triangle add to 180 degrees)

\angle ACM=30^{\circ} (triangle sum theorem)

MB=24 (30-60-90 triangle CMB)

AB=12 (sides opposite congruent angles in a triangle are congruent)

AB=36 (segment addition postulate)

3 0
2 years ago
Bryan is buying notebooks and pens at an office supply store. Notebooks cost $3.59 and pens cost $1.49. He can spend up to $13 o
romanna [79]

Answer:if the notebooks cost 3.59 and pens cost 1.49, with x representing the notebooks and y representing the number of pens and an amount of $13, the inequality would be written as 3.59x+1.49y13

Step-by-step explanation:

3 0
2 years ago
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