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3 years ago

Any value that is set and cannot change is a variable. A.True B.False

1 answer:

7 0

Thank you for posting your question here at brainly. Feel free to ask more questions.

The best and most correct answer among the choices provided by the question is B.False .

Hope my answer would be a great help for you.

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Solve.

Eva8 [605]

$2x^2+x-1=2\ \ \ |-2\\\\2x^2+x-3=0\\\\2x^2+3x-2x-3=0\\\\x(2x+3)-1(2x+3)=0\\\\(2x+3)(x-1)=0\iff 2x+3=0\ \vee\ x-1=0\\\\2x+3=0\ \ |-3\\2x=-3\ \ \ |:2\\x=-\frac{3}{2}\\\\x-1=0\ \ \ |+1\\x=1$

Answer: C 1, -3/2

4 0

3 years ago

2x(x - 3) + 7(x - 3) Can I have an explanation on how it works factors

Nimfa-mama [501]

Answer:

Step-by-step explanation:

2x(x - 3) + 7(x - 3)

2x^2 - 6x + 7x - 21

reduce

2x^2 + x - 21

if this is equal to 0 then:

2x^2 + x - 21 = 0

factored:

(2x + 7)(x - 3) = 0

How that was done:

Divide the (2x^2) into (2x) and (x).

Divide the (-21) into (+7) and (-3). You choose these numbers so that their sum, when multiplied by (2x) and (-3), adds up to (+x).

8 0

3 years ago

Samantha brings $34 to the county fair. First, she pays the admission fee of $8.50. Next she buys a corn dog for

gladu [14]

Answer:

12 rides

Step-by-step explanation:

First, get the total and subtract it from the expenses.

34 - 8.50 - 4.50 = 21

Then divide the answer by how much each ride costs to find the answer

21 ➗1.75 = 12

So Sam can ride 12 rides.

4 0

3 years ago

WHAT IS THE SLOPE OF THE LINE PASSING THROUGH THE POINTS (-2, -7) AND (3, 5)?????? PLZ ANSWER QUICKLY!!

jarptica [38.1K]

Answer:

The slope of the line with points A(-2, -7) and B(3,5) is m = (12/5).

Step-by-step explanation:

The two pints are given as A(-2, -7) and B(3,5)

Slope of a line with points (a,b) and (c,d) is given as

$m =( \frac{d -b}{c-a} )$

So, here the slope of line AB is

$m =( \frac{5 - (-7)}{3 - (-2)} ) = \frac{5+ 7}{3 +2} = \frac{12}{5}$

or, m = 12/5

Hence, the slope of the line with points A(-2, -7) and B(3,5) is (12/5).

8 0

3 years ago

Yvette uses 3.5 cans of blue paint to paint her bedroom and b cans of blue paint to paint her kitchen. If she used 6.25 cans tot

liberstina [14]

Answer:3.25

Step-by-step explanation:

8 0

3 years ago