4 years ago

3/4 times what equals 9/8?

Mathematics

1 answer:

IRISSAK [1]4 years ago

6 0

Answer:

I believe the answer to this question is: 3/2 simplified to 1 1/2.

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a right triangle is rotated a round a line that includes one of the legs of the triangle. What figure is located?

Crank

Answer: Its a cone

Explanation:

When a right angle triangle is rotated about any of its leg a cone is formed.

5 0

3 years ago

Which expression is equivalent to<br> (r^7)^6

mr_godi [17]

Answer:

r^42

Step-by-step explanation:

Just multiply the two exponents together:

(r^7)^6 = r^42

4 0

3 years ago

I need questions 12-30 evens on pg 375 and 356!!!!

lidiya [134]

Answer:

I know you have a problem

6 0

3 years ago

Find the total surface area of the net bellow

9966 [12]

Answer: 102.4 cm^2

Step-by-step explanation:

find the surface area of all of the rectangles

7.2(4)=28.8

7.2(2)=14.4

7.2(4)=28.8

7.2(2)=14.4

4(2)=8

add

28.8+14.4+28.8+14.4+8+8=102.4

4 0

3 years ago

(x 4 - 81) (x - 3) . write answers in descending power of x. (division)

Zinaida [17]

Answer:

x^3+3x^2+9x+27

Step-by-step explanation:

$\dfrac{x^4-81}{x-3}=\dfrac{(x^2-9)(x^2+9)}{x-3}=\dfrac{(x-3)(x+3)(x^2+9)}{(x-3)}\\\\=(x+3)(x^2+9)=x^3+3x^2+9x+27$

_____

The factoring of the difference of squares is used (twice):

a² -b² = (a -b)(a +b)

4 0

3 years ago