How do you solve x to the second power +7x=O

Answers

Answer 1

Answer: well the answer is 0 because if anything = 0 then it has to be multiplied by 0 so x = 0

Answer 2

Answer: x^2+7x=0
use the square root something....
(7/2)^2=49/4(add it to both sides)
x^2+7x+49/4=49/4
(x+7/2)^2=49/4
x+7/2=posinega 7/2
x=0 or x=-7

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Which is an equation of the line that passesthrough the point (-4, 4) and is parallel to the line y= 1/2x - 4?

Answers

Answer:

y=1/2x+6

Step-by-step explanation:

Lines that are parallel will have the same slope, so the slope will remain 1/2. However, the y-intercepts can't be the same because then they will overlap each other instead. So we must solve for the missing y-intercept in this case:

y = 1/2x + b

4 = 1/2(-4) + b

4 = -2 + b

6 = b

b = 6

Since the y-intercept is b=6, then the equation of the line that passes through the point (-4,4) and is parallel to the line y=1/2x-4 is y=1/2x+6

9 gal/s=______at/min

Answers

9 gal............................................................1second
?how many gallons......................................60 seconds(1min)

to find out you do 9*60=540 gallons per minute

9 gals/second
xgals/minute
1 minute=60 seconds
xgals/60 seconds=9gals/1 second
x/60=9/1
solve for x
x/60=9/1
x/60=9
multily both sides by 60 to clear fraciton
x times 60/60=9 times 60
x times 60/60=x times 1=x

x=540

the answer is 540 gallons per minute

CANT GET WRONGKristen is wrapping presents for the holidays. She has a box that measures 4 ft. x 2 ft. x 2 ft. How many square feet of wrapping paper does she need to cover the box without overlapping?
A) 16 ft2
B) 40 ft2
C) 64 ft2
D) 96 cm2

Answers

we can either just mutiply them and add them
(area=legnth times width)
or we can use Surface Area formula (which can be found for only rectangular prisms)

SA=2(LW+LH+WH)

L=4
W=2
H=2
sub
SA=2(4*2+4*2+2*2)
SA=2(8+8+4)
SA=2(20)
SA=40

answer is 40 ft^2

aswer is B

Help please help ghelp

Answers

Answer:

6,14

Step-by-step explanation:

yeah that is the answer

because if you substitute you get the answer

Answer:

Step-by-step explanation:

6=x

14=y

input those 2 values into the equation

Without using a calculator, determine whether 1728 is a perfect square, perfect cube, or neither.

Answers

It's a perfect cube.

Complete this sentence: After a congruence transformation, the perimeter of a triangle would be _________________ it was before.A. cannot be determined
B. the same as
C. less than
D. greater than

Answers

Congruence transformation results to a perimeter of any polygon that is the same as the original dimensions and shape. In this case, this is similar to translation where all dimensions, angles are retained constant. The answer to this problem hence is B

Answer:the same as

Step-by-step explanation:

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