2 years ago

16. (a + b)(3a - b)(2a +76)

Mathematics

1 answer:

balu736 [363]2 years ago

7 0

6a^3+228a^2+4a^2b+152ab-2ab-76b^2

You might be interested in

I need to know the answer

Ainat [17]

Answer:

a) 5

b) 20

c) 28

d) 10

Step-by-step explanation:

a) 7-2=5

b) 2(7)+3(2)

= 14+6

= 20

c) 2(7)(3)= 28

d) (7-2)^2

= (14-4)

= 10

4 0

2 years ago

Read 2 more answers

Kim wants to put a small fence in the shape of a circle around a tree in her backyard. She wants the radius of the circle to be

skelet666 [1.2K]

In this case, you first need to think about what is the formula for the circumference of a circle. <span>The formula for the circumference of a circle is 2 * PI * r, where r is the radius of the circle, and PI is the mathematical constant approximately equal to 3.14.

$2\pi*r=2*3,14*2=12,56$ feet
</span>

4 0

3 years ago

Next week your math teacher is giving a chapter test.

Naya [18.7K]

Answer:

Step-by-step explanation:

35-20= 15

5 0

2 years ago

Mr. McKay spent $2.60 for a box of crackers and then divided them evenly between the s students in his classroom, Write an expre

notka56 [123]

Answer:

You would go $2.60/s

Step-by-step explanation:

then when you have your total number of students you take the total cost and divide that by the number of students that you have to figure out the cost of crackers for each student

5 0

2 years ago

Calculate the angle of depression, x, if the boat is 850 ft. away from the lighthouse and the lighthouse is 250 ft. high. Round

trapecia [35]

Firstly , we can draw diagram

we can see that

adjacent = 850

opposite =250

so, we can use tan formula

$tan(x)=\frac{250}{850}$