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wolverine [178]
3 years ago
10

The product of seven plus two and eight minus two

Mathematics
1 answer:
Finger [1]3 years ago
4 0

Answer:

56

Step-by-step explanation:

type in calculator 7*((2+8)-2)

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CORRECT ANSWER FOR BRAINLIEST
Alchen [17]
\bf \cfrac{x^2-x-6}{4x^3}\cdot \cfrac{2x^2+2x}{x^2+5x+6}\implies \cfrac{(x-3)\underline{(x+2)}}{\underline{2x}(2x^2)}\cdot \cfrac{\underline{2x}(x+1)}{(x+3)\underline{(x+2)}}
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\cfrac{x-3}{2x^2}\cdot \cfrac{x+1}{x+3}\implies \cfrac{\stackrel{FOIL}{x^2-2x-3}}{2x^3+6x^2}
3 0
3 years ago
Find the volume of the following. Please round your answer to the nearest tenth. Please do not put units. Hint: You need to use
Sophie [7]

Answer:

<em>V = 1,568</em>

Step-by-step explanation:

<u>The Volume of a Square Pyramid</u>

Given a square-based pyramid of base side a and height h, the volume can be calculated with the formula:

\displaystyle V=\frac{1}{3}a^2h

We are given a square pyramid with a base side a=14 ft but we're missing the height. It can be calculated by using the right triangle shown in the image attached below, whose hypotenuse is 25 ft and one leg is 7 ft

We use Pythagora's theorem:

25^2=h^2+7^2

Solving for h:

h^2=25^2-7^2=625-49=576

h=\sqrt{576}=24

The height is h=24 ft. Now the volume is calculated:

\displaystyle V=\frac{1}{3}*14^2*24

V = 1,568

3 0
2 years ago
Katy bought 5 packages of cake mix for $32.50. How much would 8 packages of cake mix cost?
AleksAgata [21]

Answer:

$52

Step-by-step explanation:

5 packages = $32.50

divide both sides by 5

1 package = $6.50

times by 8

8 package = $52

7 0
2 years ago
Write the expression (x^4)^3 in simplest form.
Alexxandr [17]

Answer:

x\sqrt{3}

Step-by-step explanation:

4*3

6 0
3 years ago
Read 2 more answers
What is a formula for the nth term of the given sequence? 20,23, 26...​
lord [1]

Answer:

17 + 3n

Step-by-step explanation:

20, 23,26 ..............

This is an arithmetic series

First term = a = 20

Common difference = second term -  first term

                               d = 23 - 20 = 3

nth terms = a + (n-1)*d

               = 20 + (n -1) *3

               = 20 + n*3 - 1*3

              = 20 + 3n - 3

               = 20 - 3 + 3n

              = 17 + 3n

6 0
2 years ago
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