3 years ago

9x (-2y + 5x) - 4 xy (6x-3y) please the person who answers will be marked as brainliest. please show working

Mathematics

1 answer:

Alenkasestr [34]3 years ago

4 0

Answer:

See explanation

Step-by-step explanation:

$9x(-2y+5x)-4xy(6x-3y)$

By the distributive property this is equal to:

$9x(-2y)+9x(5x)-4xy(6x)-4xy(-3y)=\\\\-18xy+45x^2-24x^2y+12xy^2$

Hope this helps!

You might be interested in

Between the time iko woke up and lunch time the temerature rose by 11°.Then by the time he went to bed ,the temperature dropped

konstantin123 [22]

G(x)=X+11 where y is the total temperature after it rose & x is the temperature when Iko woke up. F(x)= g(x) -14 . Where f(x) is the temperature after it dropped 14 and g(x) is the temperature it was by lunch time.

3 0

3 years ago

What is the length of the midsegment of this trapezoid? Enter your answer in the box.

hichkok12 [17]

I believe it is 8 because $EF= \frac{AB+CD}{2} = EF= \frac{5+11}{2} =8$

4 0

3 years ago

Read 2 more answers

Explain your model for the problem.

serg [7]

Number of apples=12 times numer of bags=12n

neeeds at least 75 apples (1 per student)
12n≥75
divide both sides by 12
n≥6.25
can't buy 0.25 of a bag
7
needs to buy 7 bags

6 0

3 years ago

If someone could help me figure out #7 ASAP I’d really appreciate it

IceJOKER [234]

Answer: Angle N

Explanation:

For triangle ABC, we refer to the middle angle, Angle B.

For triangle MNP, we refer to its middle angle, Angle N.

Good luck!

8 0

3 years ago

Solve the equation. y +3=y+9

scoray [572]

Answer:

No solution

Step-by-step explanation:

=> y+3 = y+9

Subtracting both sides by y

=> $y+3-y = y+9-y$

=> 3 ≠ 9

So, This equation has no solution.

8 0

3 years ago

9x (-2y + 5x) - 4 xy (6x-3y) please the person who answers will be marked as brainliest​. please show working​

9x (-2y + 5x) - 4 xy (6x-3y) please the person who answers will be marked as brainliest. please show working