MATHEMATICS MIDDLE SCHOOL

Is a triangle with the side lenths of 4mm, 11mm, 15mm a right triangle

Answers

Answer 1
Answer: The triangle with side lengths 4,11,15 does not even exist.
According to the Triangle Inequality Theorem, in order for the triangle to even exist, the sum of the two shorter lengths must be strictly greater than the length of the third side.
4 + 11 = 15.
15 is not greater than 15.

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Which of the following decimals has the least value? 0.3;0.029;0.003;0.01
A digit is in the hundreds place. The digit is moved so that it's value is 10 times greater. To which place did the did you move?
Can someone explain the steps of how to solve number 13 please!!
Translate the phrase into an algebraic expression.5 less than w
3(x^2 + 5)(x^2 - 5) multiply and simplify.

Find the cost of 750g at 48p per kg

Answers

there are 1000g in a kg.
That means 750 grams is only .75 of a kg.
.75x48=36
It is 36p

What is the product of 2,830 and 3

Answers

The answer is 8490. 2830 times 3=8490
The product of 2,830 and 3 is (6,490)
Hope this helps!

please answer the area of rectangle is 24 cm Square if it's length is 5cm longer than its width find its length of the rectangle.​

Answers

Length = 8
W = 3
With some simple trail and error we can arrive at this answer, since area is 24 (a small multiple) we can test numbers that are 5 apart 1,6 2,7 3,8 and multiply them and you will get answer

Barbara's goal is to practice piano 20 minutes for every 5 minutes of lessons she takes.if she takes a 20 minute piano lesson this week,how many minutes should she practice this week

Answers

80 minutes or an hour and 20 minutes

Heyyy can you pls help me? thank you!!!!!!A right rectangular prism has a length of 5.1 feet , a width of 6 feet, and a height of 9.4 feet. What is the volume of the prism? Enter your answer as a number only; no units. Do not round your answer.

Answers

Answer:

287.64

Step-by-step explanation:

Multiply 5.1, 6, and 9.4.
287.64 is the answer

Gary is 3 years older than twice the age of his sister (Elena) __________.Which shows an equation for this situation
A) G=6E
B) G=2E+3
C) E=3G+2
D) G=3G+2

Answers

Answer  

The equation shows this situation is Option (B) .

i.e  G=2E+3

Reason

As given

Gary is 3 years older than twice the age of his sister (Elena) .

Let us assume that the age of the Gary be G.

Let us assume that the age of the Elena be E.

Than the equation becomes

E = 2G + 3

Therefore option (B) is correct .

The first thing we must do for this case is to define variables.

We have then:

G: Gary's age

E: Elena's age

We then have the following expression:

Gary is 3 years older than twice the age of his sister (Elena):

Using the defined variables, we can write the expression as:

G = 2E + 3

Answer:

an equation for this situation is:

B) G = 2E + 3
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