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Julli [10]
3 years ago
13

Charactersitics of an algebraic expression

Mathematics
1 answer:
artcher [175]3 years ago
6 0

It would have a variable, and/or coefficients and sometimes constants

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Which value of b would make x²+bx-30 factorable?<br> A. -31<br> B. -17<br> C. 11<br> D. 13
dimulka [17.4K]

Answer:

D. 13

Step-by-step explanation:

well since it's a quadratic equation, it can be written in the form of ax²+bx+c=0. So we have a=1, b=b and c= -30. Also the roots are given by the equation-

x= -b±\sqrt{b^{2}-4ac} /2a. So all I did was put the number from the choices which would satisfy the sqrt part and that turned out to be 13 since \sqrt{13^{2}-4*1*(-30) = \sqrt{289} = 17. So b=13.

5 0
3 years ago
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Write an<br> expression to represent:<br> The sum of ten and the quotient of a number and 6.
hoa [83]

Answer:

10 + x/6

Step-by-step explanation:

8 0
2 years ago
What is the distance between point A and point B? A number line ranging from negative 8 to 8 with point A at coordinate negative
Marina CMI [18]

Answer: 13.

Simply Count between Coordinates

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4 0
3 years ago
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Help pleaseeeeee!! D:
Dimas [21]

Answer:

Perimeter = 82 units

Step-by-step explanation:

Find:

Perimeter

Computation:

Unknown height = 13 + x

So,

25² = x² + 24²

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8 0
3 years ago
Help me pls pls help ​
mart [117]

Answer:

11

Step-by-step explanation:

Luke has a square patio, which means each side must have the same amount of tiles.

For example, he could have a 4 by 4 patio, 5 by 5, etc.

121 happens to be the square of 11. In other words, 11*11=121!

So, Luke can fit 11 tiles along each side of his patio.

6 0
2 years ago
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