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Firlakuza [10]
3 years ago
12

I need help with this elimination problem

Mathematics
1 answer:
nataly862011 [7]3 years ago
8 0

Add up the same sides of both equations to eliminate <em>x</em> :

(<em>x</em> - 2<em>y</em>) + (-<em>x</em> + 3<em>y</em>) = 8 + (-5)

(<em>x</em> - <em>x</em>) + (-2<em>y</em> + 3<em>y</em>) = 8 - 5

<em>y</em> = 3

Then

<em>x</em> - 2<em>y</em> = <em>x</em> - 6 = 8   →   <em>x</em> = 14

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Simplify <br><img src="https://tex.z-dn.net/?f=%285%20%5Cfrac%7B1%7D%7B6%296%7D%20" id="TexFormula1" title="(5 \frac{1}{6)6} " a
jasenka [17]

Answer:

simplify the <em><u>expre</u></em><em><u>ssion</u></em>

exact form :

5/36

decimal form :

0.138

6 0
4 years ago
Type the correct answer in each box.
s344n2d4d5 [400]

The inverse of the function are respectively; f⁻¹(3) = 2 and f⁻¹(8) = 8.5

<h3>How to find the inverse of a Function?</h3>

The formula to find the equation of this function using two coordinates is;

(y - y1)/(x - x1) = (y2 - y1)/(x2 - x1)

Using the first 2 coordinates, we have;

(y - 1)/(x + 1) = (3 - 1)/(2 + 1)

(y - 1)/(x + 1) = 2/3

3y - 3 = 2x + 2

3y = 2x + 5

y = ¹/₃(2x + 5)

Thus, the inverse is;

f⁻¹(x) = (3x - 5)/2

Thus;

f⁻¹(3) = (3*3 - 5)/2

f⁻¹(3) = 2

Similarly;

f⁻¹(x) = (3x - 5)/2

Thus;

f⁻¹(8) = (3*8 - 5)/2

f⁻¹(8) = 8.5

Read more about Inverse of a Function at; brainly.com/question/11735394

#SPJ1

6 0
2 years ago
School X and school Y play each other in a competition school x has eight morepoinys than school y. School x has three times as
aleksandr82 [10.1K]

Answer:

School X: 8 points School Y: 2.6̅ or 6 repeating.

Step-by-step explanation:

When you know that School X has <em>8 points</em>, and School Y has <em>3 times less</em>, you have to divide 8 by 3. When you do that, you get 2.6̅, or 2.6 repeating, which means that you have 2 that goes into 3 goes into 8 3 times, because 3 x 3 would be 9, which is bigger than 8. Anyway, when you divide again because you have to add a decimal point after the number to keep dividing, <em>you keep getting 6</em>. it's never going to change, because thats what 6̅ is. 6 REPEATING.

I hope this helps! ;)

6 0
3 years ago
Read 2 more answers
PLEASE ANSWER I WILL GIVE BRAINLIEST
Naddik [55]
Should be the first option.

Since ABP is congruent to CBP in the 4th step, AP must be equal to CP
6 0
3 years ago
I will mark you brainliest! The value of a car decreases by 1/6 every year. What type or function represents this pattern?
d1i1m1o1n [39]

Answer:

C

Step-by-step explanation:

When the value of something decreases by a certain factor every unit of time, instead of by a set constant, then this is called exponential decay. When the rate is constant, this is called linear decay. Hope this helps!

3 0
4 years ago
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