MATHEMATICS MIDDLE SCHOOL

The length of a rectangle is 3 meters less than twice its width

Answers

Answer 1
Answer: whats the total perimeter?

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Caitlin did 3/5 of the problems on her math test correctly and eight incorrectly. She did all the problems how many problems were there?.. How do you answer this??

Answers

We know that 3/5 of the answer is right and 8 are wrong. If we do 5/5-3/5, we get 2/5 which is the amount of problems that are wrong or in other 8 wrong.
3/5=?
2/5= 8 wrong
If we make 2/5 into 1/5 we get 4 wrong answer.
Then we multiply 1/5 and 4 by 5 we get: 5/5 and 20 problems.
So there is 20 problems on the test.

(someone help please!) Can some please help answer this, please! Tysm if u do

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try searching online, I'm not exactly sure

Difference between 21 1/4 - 18 2/4

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Difference between 21 1/4 - 18 2/4 =2 3/4

Which expressions record the product of exactly two factors ?

Answers

Answer:

B   5 *(x+y)

C (x-y)  *(x+y)

Step-by-step explanation:

A. x+y  There is not product here   Remember product is multiply

B   5 *(x+y)

   There are two factors and they are multiplied

5 is one factor  (x-y) is the other


C (x-y)  *(x+y)

There are two factors and they are multiplied

(x-y) is one factor   and (x+y) is the other factor and they are multiplied

D x*y*z

There are three factors multiplied here

Answer:

B. 5(x + y)

C. (x - y)(x + y)

How does this model demonstrate the Pythagorean Theorem?Three squares whose corners touch so that the respective edges form a triangle. The smallest square has a side labeled six and is made up of thirty-six smaller squares. The largest square has a side labeled ten and is made up of one hundred smaller squares. The third square has a side labeled eight and is made up of sixty-four smaller squares.

A.
The sum of the lengths of the shortest and the longest sides is equal to twice the length of the middle side. So double the length of the longer leg of any right triangle is equal to the sum of the shorter leg and the hypotenuse.

B.
The sum of the area of the two smaller squares is equal to the area of the larger square. So the sum of the lengths of the two legs of any right triangle squared is equal to the length of the hypotenuse squared.

C.
The sum of the area of the smallest and the largest squares is equal to the area of the middle square. So the sum of the lengths of the shorter leg and the hypotenuse of any right triangle squared is equal to the length of the middle leg squared.

D.
The length of the longest side minus two equals the length of the middle side. The length of the middle side minus two equals the length of the shortest side. So the length of the short leg of any right triangle is equal to the length of the middle leg minus 2, and the length of the hypotenuse is equal to the length of the middle leg plus 2.

Answers

"  B is your best choice but it is very badly stated. this gives an Example of the Pythagorean theorem. it does Not demonstrate it. B is written incorrectly, it should say "sum of squares of the lengths of the legs" Not "sum of the lengths of the two legs of any right angle squared"

Of 40% of the selling price of a $65 sweater is profit,then how many dollers profit does the store make when the sweater is sold

Answers

If 40% of the price is profit, then our answer will be 40% of $65.

40% x $65 = 0.4 x $65 = $26

The store profits $26
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