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solong [7]
4 years ago
13

If x and y are two numbers that satisfy both the linear equations y=x+12 and 2x+y=18, then y=?

Mathematics
1 answer:
Sladkaya [172]4 years ago
6 0
Then y = 14.

___
The (x, y) values that satisfy both equations are (2, 14).

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What is the distance you are standing from the base of the tree?
alex41 [277]

Answer:

c = 12.5903 as it is more accurate

Step-by-step explanation:

tan65 = 27/d , value of tan65 is 2.1445

2.1445 = 27/d

d = 27/2.1445

d = 12.5903

so answer would be c as it is more accurate than others.

5 0
3 years ago
Determine if the expressions are equivalent: 7+ 7x; 7 x + 1/7
patriot [66]

<u>The given  expressions  7+ 7x ; 7 x + 1/7 are not equivalent or equal </u>

<u>to each other </u>

<u />

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

Let us firstly assume that  7 + 7x is equivalent ( to 7(x + 1/7) so that means

7 + 7x = 7(x + 1/7)

7 + 7x = 7x + 7(1/7)

7 + 7x = 7x + 1

7x + 7 = 7x + 1

Now, subtracting 7x from both sides, we get:

7x - 7x + 7 = 7x - 7x + 1

(7 - 7)x + 7 = (7 - 7)x + 1

(0)x + 7 = (0)x + 1   thus their occurs a  false statement:

7 = 1 ( we know, 7 >1)

Thus we can say that

<u>7 + 7x is NOT equivalent  to 7(x + 1/7)</u>

5 0
3 years ago
2 adults for every 24 children and theee are 72 children
Deffense [45]

Answer:

6 adults

Step-by-step explanation:

72/24= 3 and 3*2=6 adults

3 0
3 years ago
Read 2 more answers
Whats the slope and the equation
vichka [17]
You can find the slope of a line by having two points. In this case we have 5 different point so we pick two.

so for the first one I will pick (2,17) and (7,37)

we use (y2-y1) / (x2-x1)  this is rise over run

plug and chug to get slope.
(37-17)/(7-2)= 4 

now use point slope using one of the point that we used to find the slope
y−b=m(x−a<span>) or y-y1 = m (x-x1)

plug and chug again
m=4 ............ point (2,17)

y- 17 = 4 (x- 2)
y= 4x +10 

hope this helps
</span> 
4 0
3 years ago
What is (9x+5) - (4x+3)
harina [27]
I believe it's 7x because 9x+5 is 14x and 4x+3 is 7x and if u subtract it should be I'd I beg your pardon if it's wrong
6 0
3 years ago
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