Can anyone help me find the answer to

2x+9x+4

Answers

Answer 1

Answer: so to factor

to factor this in ax^2+bx+c form where a is greater than 1,
b=z+y
ac=xy
solve

so a=2
b=9
c=4

9=y+z
c times a=4 times 2=8
what 2 numbers add up to 9 and mulitply to get 8?
factor 8
8=
1 times8
2 times 4
if we add them up we get
1+8=9 check
2+4=6

the numbers are 1 and 8
split up the middle term
2x^2+1x+8x+4
group
(2x^2+1x)+(8x+4)
factor out/reverse distribute
(x)(2x+1)+(4)(2x+1)
reverse distribute useing distributive proerty
ab+ac=a(b+c)
(x+4)(2x+1)

the factored form is (x+4)(2x+1)

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What is the equation of the line that passes through the point (3,-5) and has a
slope of o?

Answers

Answer:

y = -5

Step-by-step explanation:

slope of 0 means m = 0 in y intercept form y = mx + b.

they have given you (3, -5), plug these in and solve for your equation.

remember, a line that has a 0 slope means it is a horizontal line.

y = mx + b

-5 = 0(3) + b

-5 = b

so you have, y = -5.

HELP PLEASE .... If the geometric mean between 3 and x is 6, find the value of x.

Answers

Answer:

Step-by-step explanation:

1. 3/6 = 6/x

2. Cross multiply: 3x=36

3. x=12

Find a solution to the inequality x > 7.

Answers

you must isolate the x in order you must divide both of each sides of the inequality by the other variable or coefficients.

Here, x > 7 itself is a solution. It represents x must be less than the 7

Hope this helps!

A driveway is 90 feet long, 15 feet wide, and 4 feet deep. How many cubic feet of concrete will be required to fill the driveway?Group of answer choices

546 ft

2555 ft

5,400 ft

540 ft

Answers

To find the volume of the driveway, we need to multiply its length, width, and depth.

The length of the driveway is 90 feet, the width is 15 feet, and the depth is 4 feet.

Volume = length x width x depth

Volume = 90 ft x 15 ft x 4 ft

Volume = 5400 cubic feet

Therefore, 5400 cubic feet of concrete will be required to fill the driveway.

Hence, the correct answer is 5400 ft³.

Solve 7x – 2y = –3
14x + y = 14 a. (4,5/7) b. (4,7/5)
c. (5/7,4) d. (7/5,4)