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777dan777 [17]
3 years ago
12

Solve the following system using substitution

Mathematics
2 answers:
Alborosie3 years ago
7 0
If left sides of equation equal (and they are same) - right must also be equal

If no - there is no solutions
julsineya [31]3 years ago
5 0
Change x+y=5 to y=5-x
x+5-x=-3
0=-8
The answer is no solution. :)
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**URGENT** PLEASE HELP WILL GIVE BRAINLIEST
Gnoma [55]

Answer:

they are both 0 since they would not appear on a graph

Step-by-step explanation:

6 0
2 years ago
Find the percent of increase to the nearest whole from 12 to 20
ankoles [38]

Answer:

The answer is

<h2>67\%</h2>

Step-by-step explanation:

To find the percentage increase we use the formula

<h3>Percentage \:   change =  \frac{change}{original \:  \: quantity}  \times 100\%</h3>

From the question

The original value = 12

To find the change we subtract the smaller value from the larger one

That's

Change = 20 - 12 = 8

So the percentage increase is

<h3>\frac{8}{12}  \times 100 \%\\  =  \frac{2}{3}  \times 100\% \\  = 66.67\%</h3>

We have the final answer as

67\% to the nearest whole number

Hope this helps you

3 0
3 years ago
If △STU is similar to △XYZ, the sides of △STU must be congruent to thecorresponding sides of △XYZ.A. TrueB. False
katovenus [111]

Similar triangles are triangles that have the same interior angles and the corresponding sides are proportional, that is, for triangles STU and XYZ we have the proportion:

\frac{ST}{XY}=\frac{TU}{YZ}=\frac{SU}{XZ}

The corresponding sides are congruent only if the proportion rate is 1, but that is not always true and it's not necessary.

Therefore the correct option is B: False

If the corresponding sides are congruent, the triangles are congruent.

7 0
1 year ago
NEED HELP ASAP!!
Sindrei [870]
The answer is B (the quotient of four time some number and six)
7 0
3 years ago
Read 2 more answers
Picture is shown above<br>suppose that y varies directly with x, and y=12 when x=15​
a_sh-v [17]

Step-by-step explanation:

Since y is directly proportional to x,

we have y = kx, where k is a real constant.

When x = 15, y = 12.

=> (12) = k(15), k = 0.8.

Therefore we have y = 0.8x.

When x = 2, y = 0.8(2) = 1.6.

The answer is y = 1.6 when x = 2.

7 0
3 years ago
Read 2 more answers
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