2 years ago

Help me please!!! 45 points!!!!

Mathematics

2 answers:

Alekssandra [29.7K]2 years ago

8 0

8x+2 or 2 (4x+2)

Step-by-step explanation:

$2(x+2+3x)\\\\2(4x+2)\\\\8x+2$

Combine like terms 3x and x. Then distribute 2 into parentheses, 4x*2 = 8x

and 2*2= 4

Tpy6a [65]2 years ago

6 0

Answer:

Step-by-step explanation:

Substitute the value for the variables and evaluate.

f(2) = 2 + 2 = 4

g(2) = 3(2) = 6

f(2) + g(2)

4 + 6

You might be interested in

A line has a slope of 4 and a y-intercept of -9 what is the equation of that line?

ziro4ka [17]

Y=4x-9

hope this helps

5 0

3 years ago

Read 2 more answers

Solve the proportion: 11/12.1= x/66 x = A. 64.9 B. 60 C. 72.6 D. 55

solmaris [256]

$\dfrac{11}{12.1}=\dfrac{x}{66}\qquad\text{cross multiply}\\\\12.1x=(11)(66)\\\\12.1x=726\qquad\text{divide both sides by 12.1}\\\\x=60\\\\Answer:\ B.\ 60$

8 0

3 years ago

Read 2 more answers

Evaluate the expression when x = -4. 5(x – 6) + 3x – 2

SVETLANKA909090 [29]

Answer:

-64

Step-by-step explanation:

5(x – 6) + 3x – 2

Distribute

5x - 30 +3x -2

Combine like terms

8x -32

Let x = -4

8*-4 -32

-32 -32

-64

6 0

4 years ago

6. Find the product: (x² + 8x - 3)(x + 1)

olga_2 [115]

Answer:

x^3+9x^2-3x^2-3

Step-by-step explanation:

You can use a various of methods but when you use the box method you multiply each separately.

Like you would multiply x² by x, 8x by x, -3 by x (thats the first row)

x² by 1, 8x by 1, -3 by 1 ( for the second row)

Then you get those final variables and combine like terms getting the answer above

8 0

3 years ago

Ben is flying a kite directly over his buddy Franklin, who is 125 meters away. His kite string makes a 39° angle with the level

NISA [10]

Answer:

a=101.223

Step-by-step explanation:

use SOCATOA

or an online calculator

https://www.calculator.net/triangle-calculator.html?vc=x&vx=z&vy=y&va=39&vz=125&vb=90&angleunits=d&x=59&y=16

8 0

3 years ago