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sweet [91]
3 years ago
12

PLEASEEEEEEEE!!! Graciela was trying to solve the quadratic equation

"TexFormula1" title="x^2+2.5x-1.5=0" alt="x^2+2.5x-1.5=0" align="absmiddle" class="latex-formula">. “I think I need to use the Quadratic Formula because of the decimals,” she told Walter. Walter replied, “I'm sure there's another way! Can't we rewrite this equation so there aren't any decimals?” original equation.
A.What is Walter talking about? Rewrite the equation so that it has no decimals.
B.Rewrite your equation again, this time expressing it as a product.
C.Now solve your new equation. Be sure to check your solution(s) using Graciela's original equation.
Mathematics
2 answers:
Komok [63]3 years ago
8 0

Answer:

c

Step-by-step explanation:

Novosadov [1.4K]3 years ago
5 0

Answer:

it's  

Step-by-step explanation:

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I think I know the answer but just in case can someone help me ? And give me an explanation
RideAnS [48]
You multiply both sides by 9 first so you have -45=y-7. then add 7 to both sides to get y=-38
5 0
3 years ago
For a school assembly student sit in chairs that are arranged in 53 rows. There are 12 chairs in each row. About how many studen
loris [4]
53x12=636 that is your answer that is the way to estimate it your answer is 636 that is how many students can be seated
6 0
3 years ago
Doors for the small cabinets are 17.5 inches long. Doors for the large cabinets are 2.7 times as long as the doors for the small
AleksAgata [21]

Answer:

3 large doors

Step-by-step explanation:

Given

Board = 12ft

Represent small door with S and large with L

S = 17.5\ in

From the question, we understand that;

L = 2.7 * S

So, we have that

L = 2.7 * 17.5\ in

L = 47.25\ in

Required

Determine the number of Large doors that can be cut from the board

To do this, we simply divide the size of the board by the size of the large cabinet

i.e.

Number = \frac{Board}{L}

Number = \frac{12\ ft}{47.25\ in}

Convert feet to inches

Number = \frac{12 * 12\ in}{47.25\ in}

Number = \frac{144\ in}{47.25\ in}

Number = 3.04761904762

Get the integer part of the decimal

Number = 3

Hence:

3 large doors can be gotten from the board

8 0
3 years ago
Find the GCF of each pair of monomials. <br> 1). 20, 45x
Helga [31]
 20 and 45x

We look for a number that can go into both numbers.

5 into 20 is 4 and 5 into 45x is 9x.

5:      20       45x

         4           9x

So no other number can go into 4 and 9x again.

So the GCF of 20 and 45x is 5.     

Hope this explains it.
8 0
3 years ago
Read 2 more answers
Please help in geometry
nekit [7.7K]
90 degrees

the diagonals intersect at right angles
4 0
4 years ago
Read 2 more answers
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