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yaroslaw [1]
3 years ago
8

Which ordered pair (x, y) is a solution to the given system of linear equations?

Mathematics
2 answers:
MArishka [77]3 years ago
5 0

(-1, 0)

Start by adding -2x to both sides of the second equation. Then substitute that equation into the first.

3x+3(2x+2)=-3

Solve the equation for x.

When you've found the value of x, substitute that value into the equation with the isolated y.

y=2(-1)+2

Bogdan [553]3 years ago
4 0
(-1,0) is the answer
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Express the recurring decimal 0.042 as a fraction in its simplest form.
rodikova [14]

Answer:

7/165

Step-by-step explanation:

This is a mixed recurring decimal (the zero is not repeating)

We take number after the decimal point     042

then we subtract  the non repeating.In this case is 0 so we not subtract anything

This will be the numerator  42

Now ,the denominator:

For each repeating decimal we write a 9 (in this case 2 nines)

For each non repeating decimal we write a zero

Denominator is 990

42/990  =  7/165

7:165 = 0.0424242......

5 0
3 years ago
What is the volume of this unit cube?
xxTIMURxx [149]

Answer:

1 cubic centimeter

Step-by-step explanation:

V=l³ And l=1

so V=1³ so

V=1

since we cubed something it is in cubic centimeters so

1 cubic centimeter

3 0
3 years ago
Solve the equation x² = 1.21 *
gogolik [260]

Answer:

x = 1.1, -1.1

Step-by-step explanation:

This is the answer because:

1) Take the root of both sides and solve.

\sqrt{1.21} = 1.1

2) x can also equal -1.1 because -1.1 times -1.1 gives us a positive 1.21 because negative x negative = positive

Hope this helps!

3 0
3 years ago
markup = original cost × percentage markup selling price = original cost + markup Nicole wants to buy a pair of jeans. The origi
miv72 [106K]
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3 years ago
The area of a rectangle is represented by the function A = n^3 - 6n^2 - 8n + 48.
aliya0001 [1]

Answer:

P = 2(n - 6) + 2(n^2 - 8)

Step-by-step explanation:

Remembering that Area = Length times Width, we factor the given function

A = n^3 - 6n^2 - 8n + 48 in the expectation that the resulting factors represent the length and width respectively:

A = n^3 - 6n^2 - 8n + 48 factors as follows:

A = n^2(n - 6) - 8(n - 6), or A = (n - 6)(n^2 - 8)

We can label '(n - 6)' "width" and '(n^2 - 8'

length.

Then the perimeter, P, of the rectangle is P = 2(length) + 2(width). which works out here to:

P = 2(n - 6) + 2(n^2 - 8)

5 0
2 years ago
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