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pogonyaev
3 years ago
9

How would I Factor x²+2x-7

Mathematics
2 answers:
Rus_ich [418]3 years ago
8 0
You cannot factor it. to solve you would have to use the quadratic equation
kolezko [41]3 years ago
3 0

Answer:

It cannot be factored

Step-by-step explanation:

There isn’t any number that multiplies to -7 and add to 2

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Choose 1 answer:
Paladinen [302]

Answer:

B complementary angles

Step-by-step explanation:

ED is a line.

Angles EAB and DAB are a linear pair, so they are supplementary.

Angle EAB is a right angle, so angle DAB is also a right angle.

The measure of angle DAB is 90 degrees.

The sum of the measures of angles a and b is 90 degrees.

That makes <a and <b complementary angles.

6 0
3 years ago
Read 2 more answers
Some students are working together to draw a picture of a playground.
vodomira [7]

From the information provided by the statement, you know that

*Ann draws 2/16 of the playground

*Susan draws 6/16 of the playground because she draws 3 times as much as Ann so

3\cdot\frac{2}{16}=\frac{3}{1}\cdot\frac{2}{16}=\frac{6}{16}

*Louise draws 3/16 because she draws half as much as Susan, so

\frac{1}{2}\cdot\frac{6}{16}=\frac{6}{32}=\frac{2\cdot3}{2\cdot16}=\frac{3}{16}

*Sam draws 2/16 because she draws 1 less section than Louise

\frac{3}{16}-\frac{1}{16}=\frac{2}{16}

Now, let x be the fraction of the playground that still needs to be drawn. Then, you have

\begin{gathered} \frac{2}{16}+\frac{6}{16}+\frac{3}{16}+\frac{2}{16}+x=\frac{16}{16} \\ \text{ Add similar terms} \\ \frac{13}{16}+x=\frac{16}{16} \\ \text{ Subtract }\frac{13}{16}\text{from both sides of the equation} \\ \frac{13}{16}-\frac{13}{16}+x=\frac{16}{16}-\frac{13}{16} \\ x=\frac{3}{16} \end{gathered}

Therefore, 3/16 of the playground still needs to be drawn.

5 0
1 year ago
1. Edward goes to the store for back to school shopping. He buys 4 new
creativ13 [48]
Each shirt costs 8 dollars.
4 Shirts 1 Pant
1 Pant=20 dollars
52 (total)-20=32
4shirts divides by 32= 8
So 8 dollars per shirt
5 0
3 years ago
9:45 on Tuesday Questions
Kay [80]

Answer:

  • x = 3

Step-by-step explanation:

<u>The angles are corresponding angles and they are equal by definition</u>

  • 120 = x + 123
  • x = 120 - 123
  • x = 3
3 0
3 years ago
Write the expression of the quotient of 44 and 11
Nostrana [21]
I think it would be
ANSWER: x = 44/11
5 0
3 years ago
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