MATHEMATICS MIDDLE SCHOOL

Please answer correctly !!!! Will mark brainliest !!!!!!
Please answer correctly !!!! Will mark brainliest !!!!!! - 1

Answers

Answer 1
Answer: My answer that I got is 1 4/5

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$1200 TV; 10% discount

Answers

$1200 x 0.10= 120 
1200- 120= Answer: 1080
$120 is 10% of $1200

Samantha saw two bottles of catchup at the store for the same price one bottle containing fourpence of catchup and the other contain 1.25 quarts of catch-up which bottle was better Bargin

Answers

the better bargain if I'm right should be the 1.25 quarts.

What number is 32% of 1,000

Answers

It is 320 because if you divide 1000 by 10, you would get 100 (which would be equal to 10% of 1000) So if you multiply 100x3=300. then, 2% of 100 is 20, so you add that to 300 then you 320

Why is it easy to calculate 5% of a number ? Give an Example

Answers

5% of 1000 is 5 * 1000 / 100 = 5000 / 100 = 50.

boa constrictor is 18 inches long at Birth and it grows 8 inches per year write an equation that represents the length y in feet of a boa constrictor at x years old

Answers

Y=18+8x Y is the length at the end and x is how ever many years
18 = x times 8 
to solve this do 8 dive by 8 than cross it out than 18 dive by 8 which is 2.25 i think this is the answer

Solving a polynomial equation by factoring 36d^3-121d=0

Answers

For this case we must factor the following equation:

36d ^ 3-121d = 0

It is observed that both terms contain the variable "d", so we can take it out as a common factor:

d (36d ^ 2-121) = 0

On the other hand, we look for the factors of 36 and 121:

36: 1,2,3,4,6,9,12,18,36

121: 1, 11,121

The greatest common factor between both numbers is 1.

Thus, the expression is factored as:

d (36d ^ 2-121) = 0

Thus, one of the roots of the polynomial is 0.

36d ^ 2-121 = 0\n36d ^ 2 = 121\nd ^ 2 = \frac {121} {36}\nd = \pm \sqrt {\frac {121} {36}}\nd = \pm \frac {11} {6}\n

Answer:

d (36d ^ 2-121) = 0\nd_ {1} = 0\nd_ {2} = \frac {11} {6}\nd_ {3} = - \frac {11} {6}
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