3 years ago

PLEASE HELP ME!! I DO NOT UNDERSTAND PLEASE SHOW WORK THANK YOU!!

Mathematics

1 answer:

Oksanka [162]3 years ago

4 0

Answer:

= 10x² + 9x³

Step-by-step explanation:

I'm assuming you mean question 19

3x² + 5x³ + 7x² + 4x³ (rearrange to group like terms)

=3x² + 7x² + 5x³ + 4x³ (factor out common powers)

= (3+7)x² + (5+4)x³

= 10x² + 9x³

You might be interested in

What is the percentage difference between 50 and 45

Vinil7 [7]

45 is 90 percent of 50. / / / 50 is (111 and 1/9) percent of 45.

6 0

3 years ago

If the length of line segment AB is 9 inches, the total number of point 4 inches from Point A and 6 inches from Point B is

brilliants [131]

9514 1404 393

Answer:

B. Two

Step-by-step explanation:

There are two points that are 4 inches from A and 6 inches from B.

<em>Additional comment</em>

They are at the intersection points of circle A with radius 4 inches and circle B with radius 6 inches.

4 0

2 years ago

In a right triangle, the acute angles measure 2x+50 and 3x degrees

xenn [34]

2x+50 + 3x= 90 degrees
5x +50 = 90
5x =40
x=8

Angle1= 2(8) +50= 66
Angle2= 3(8)=24

66+24+90= 180

6 0

2 years ago

Read 2 more answers

Is x + y = 18 linear or non linear?

r-ruslan [8.4K]

A linear equation has 1 for all exponents on the placeholders
aka the equation is first degree (aka the hightest exponent on placeholders=1) so
it is linear

7 0

2 years ago

Read 2 more answers

(NEED IT FAST) Clarke makes 27 party favors in 4 hours. Carolynn makes 35 party favors in five hours. Who is faster? What is the

ss7ja [257]

Answer: Carolynn is faster.

Step-by-step explanation: Clarke makes 6.75 favors/hour, while Carolynn makes 7 favors/hour. (7 > 6.75)

7 0

2 years ago