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3 years ago

Evaluate the expression for x = 3 :11 + (8 - x)2 - 20

Mathematics

1 answer:

hammer [34]3 years ago

6 0

Answer:

Step-by-step explanation:

Step 1: Plug in

11 + (8 - 1)2 - 20

Step 2: Parenthesis

11 + 7(2) - 20

Step 3: Multiply

11 + 14 - 20

Step 4: Combine like terms

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What is the smallest integer?

vitfil [10]

Answer:

The integer is 56.

Step-by-step explanation:

The consecutive even integer after 56 is 58. 56+58 = 114.

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4 years ago

(12a^(2) - 3)/(2)*(2a + 1)^(-2)*((6)/((2a + 1)))^(-1)

Elena L [17]

Answer:

$\frac{144a^{4}+144a^{3} - 36 - 12a} {2a+1}\\$

Step-by-step explanation:

$\frac{(12a^2-3)}{2*(2a+1)^{-2}}*\frac{6}{(2a+1)^{-1} }\\ = \frac{(12a^2-3)}{2 * \frac{1}{(2a+1)^{2} }} * \frac{6}{\frac{1}{2a+1} }\\ =\frac{(12a^2-3)(2a+1)^{2}}{2} * \frac{6}{2a+1}\\=\frac{(12a^2-3)(2a+1)^{2}}{2} * \frac{6}{2a+1}$

$= \frac{(12a^2-3)(4a^{2} + 1 + 2 (2a)(1))}{2} * \frac{6}{2a+1}\\= \frac{(12a^2-3)(4a^{2} + 1 + 4a)}{2} * \frac{6}{2a+1}\\= \frac{(12a^2-3)(4a^{2} + 1 + 4a)}{1} * \frac{3}{2a+1}\\= \frac{3(12a^2-3)(4a^{2} + 1 + 4a)} {2a+1}\\\\= \frac{3(12a^2(4a^{2} + 1 + 4a) - 3 (4a^{2}+1+4a)} {2a+1}\\= \frac{3(48a^{4}+12a^{2}+48a^{3} - 12a^{2} -12 - 4a)} {2a+1}\\= \frac{144a^{4}+36a^{2}+144a^{3} - 36a^{2} - 36 - 12a)} {2a+1}$

$= \frac{144a^{4}+36a^{2}+144a^{3} - 36a^{2} - 36 - 12a} {2a+1}\\= \frac{144a^{4}+144a^{3} - 36 - 12a} {2a+1}\\$

6 0

4 years ago

Which of the following statements is not true?

scoundrel [369]

Answer:

it is 12

Step-by-step explanation:

because the square root of 12 is 3.46410162

can you select me to be brainlyest

3 0

3 years ago

Of the animals at the shelter, 5/8 are cats. Of the cats 2/3 are kittens. What fraction of the animals at the shelter are kitten

timama [110]

Answer: 16/24

Step-by-step explanation: Find out a common denominator: 8,16,24 and 3,6,9,12,15,18,21,24. Which is 24.

Take 5/8 multiplied by 3 because its the 3rd multiple of 8. Which is 15/24.

Then, take 2/3 and multiply by 8 because its the 8th multiple of 3. This will give you 16/24.

Make sure to multiply both the top and bottom. :D

4 0

3 years ago

in a right triangle the length of a hypotenuse is c and the length of one leg is a, and the length of the other leg is b what is

puteri [66]

Answer:

Step-by-step explanation:

a=12 (height)

c=13 (hypotenous)

b=? (base)

By using Pythagoras theorm

We have, hypotenous sq=base sq+height sq

Let b =base SO, base sq=hypotenous Sq-height Sq

=>base Sq =13sq-12sq

Base Sq =169-144

Base Sq =25

Base =5 (shifting the sq)....

Hope it's helpful

5 0

3 years ago