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Anettt [7]
2 years ago
6

3x3x3 Write the expression using exponents.

Mathematics
1 answer:
Ket [755]2 years ago
6 0
The answer to the question is 3^3
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Which set of numbers could represent the lengths of the sides of a right triangle?
vitfil [10]

in this problem what you are really looking for is which of these sets is a pathagorean triple. That means it will solve the pathagorean theorem. (a sqaured + b squared = c squared) c is always going to be the largest number or the hypotenuse. if you plug all the number sets into the theorem, only one works and that is 7, 24, 25 which is your answer.

4 0
3 years ago
If a rectangle has a length of 8 centimeters and a width of 5 centimeters, then what is the area of the rectangle in square cent
mel-nik [20]

Answer:

40 centimeters square.

Step-by-step explanation:

Area= length × width

8×5=40

Have a nice day

6 0
3 years ago
What binomial do you have to add to the polynomial:
marshall27 [118]

Answer:

a)  -2x^2+5xy

b)  -3y^2+5xy

Step-by-step explanation:

<u>Part (a)</u>

Given polynomial  :2x^2+3y^2-5xy+1

The binomial that should be added to the given polynomial to get a polynomial that does not contain the variable x is:

-2x^2+5xy

(2x^2+3y^2-5xy+1)+(-2x^2+5xy)

=2x^2+3y^2-5xy+1-2x^2+5xy

=2x^2-2x^2+3y^2-5xy+5xy+1

=3y^2+1

<u>Part (b)</u>

Given polynomial  :2x^2+3y^2-5xy+1

The binomial that should be added to the given polynomial to get a polynomial that does not contain the variable y is:

-3y^2+5xy

(2x^2+3y^2-5xy+1)+(-3y^2+5xy)

=2x^2+3y^2-5xy+1-3y^2+5xy

=2x^2+3y^2-3y^2-5xy+5xy+1

=2x^2+1

7 0
2 years ago
How many times do you have to multiply 1/3 to get 1/169
Nostrana [21]
1/169) / (1/3
1/169 *3
3/169

Hope this helps :)
4 0
4 years ago
Write each decimal as a fraction 0.64=
ipn [44]
0.64

this has to do with place value.....what place value is ur last digit (6) in ? It is in the hundredths place. so we put the 64 (without the decimal) over 100.
64/100 which reduces to 16/25. Its that simple.

Examples :
0.5....the last digit (5) is in the tenths place...so put it over 10.
5/10 reduces to 1/2.

0.225...the last digit (5) is in the thousandths place. 225/1000 reduces to
9/40
4 0
3 years ago
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