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Phantasy [73]
2 years ago
6

Which system is equivalent to startlayout enlarged left-brace 1st row 5 x squared 6 y squared = 50 2nd row 7 x squared 2 y squar

ed = 10 endlayout? startlayout enlarged left-brace 1st row 5 x squared 6 y squared = 50 2nd row negative 21 x squared minus 6 y squared = 10 endlayout startlayout enlarged left-brace 1st row 5 x squared 6 y squared = 50 2nd row negative 21 x squared minus 6 y squared = 30 endlayout startlayout enlarged left-brace 1st row 35 x squared 42 y squared = 250 2nd row negative 35 x squared minus 10 y squared = negative 50 endlayout startlayout enlarged left-brace 1st row 35 x squared 42 y squared = 350 2nd row negative 35 x squared minus 10 y squared = negative 50 endlayout
Mathematics
1 answer:
Ray Of Light [21]2 years ago
5 0

If we substitute equation (2) into (1) then we have the equivalent equations; y = 5 - x and 5 - x = 9x².

<h3>What is a mathematical equation?</h3>

An equation must contain two sets of variables, the independent variable and the dependent variable separated by the equality sign.

In this case, the original system of equations are; y = 9x² and x + y = 5. It the follows that, if we substitute equation (2) into (1) then we have the equivalent equations; y = 5 - x and 5 - x = 9x².

Learn more about mathematical equations:brainly.com/question/19939553

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Please help me! will give brainlest!!!
Maru [420]

Answer: x=16

Step-by-step explanation:

4 0
2 years ago
What is the value of x?
ANEK [815]

Answer:

x = 13

Step-by-step explanation:

5x + 25 must equal 7x - 1, because all of the angles in the figure are right angles.

Then 5x + 25 = 7x - 1, and

                  25 = 2x - 1, and so 2x = 26 and x = 13

6 0
3 years ago
What is the quotient (6x4 − 15x3 − 2x2 − 10x − 4) ÷ (3x2 + 2)? (6 points)
allsm [11]
<h3>Answer:</h3>

2x^2 -5x -2

<h3>Step-by-step explanation:</h3>

See the attached for the polynomial long division.

4 0
3 years ago
Select all the factors roots of x^3 +2x^2-16x-32
Ivanshal [37]

Factor by grouping. Group up the terms into pairs, factor each pair, then factor out the overall GCF.

x^3 + 2x^2 - 16x - 32

(x^3 + 2x^2) + (-16x-32) ... pair up terms

x^2(x + 2) + (-16x - 32) ... factor x^2 from the first group

x^2(x + 2) - 16(x + 2) ... factor -16 from the second group

(x^2 - 16)(x + 2) .... factor out (x+2)

(x - 4)(x + 4)(x + 2) .... Use the difference of squares to factor x^2-16

---------------------------

The original expression completely factors to (x - 4)(x + 4)(x + 2)

The three factors are x - 4  and  x + 4   and   x + 2

5 0
3 years ago
Read 2 more answers
Give examples of a 100% increase, 100%<br> decrease, and 100% error. Explain each.
lakkis [162]

Answer:

100% increase from 100 is 200, the difference is 100.

100% decrease from 100 is 0, the difference is -100

error means that you were quite a long way off from the true value.

4 0
3 years ago
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