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Mademuasel [1]
2 years ago
8

Find x when y = 18, if y= 5 when x =4

Mathematics
2 answers:
Svetlanka [38]2 years ago
7 0
For example.,
Lets say
y
=
x
+
1
is equation 1.
So here, when
x
=
4
,
y
=
5
.
Also,
y
=
1.25
x
, is equation 2
Here also, when
x
=
4
,
y
= 5 ,
But these equations give different results when
y
= 18
For equation 1,
18
=
x
+
1

So,
x
=
17
For equation 2,
18
=
1.25
x
18
1.25
=
x
So,
x
=
14.4
Harman [31]2 years ago
6 0

Answer:

x=14.4

Step-by-step explanation:

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I really need help with this
postnew [5]

Answer:

1/2 or .5

Step-by-step explanation:

you find 2 points that the line goes through, then you find the rise/run. lastly you simplify if you can, then you have the answer

7 0
3 years ago
Can someone please help me
djyliett [7]

Slope = (10 - 5)/(-9 + 15) = 5/6

y = mx + b where m = slope and b = y-intercept

b = y - mx

b = 5 - (5/6) (-15)

b = 5 +12.5

b = 17.5

Equation y = 5/6 x + 17.5

Y-intercept = 17.5

X-intercept when y = 0

So

5/6 x + 17.5 = 0

5/6 x = -17.5

x = (-17.5) (6/5)

x = -21

Answer

Y intercept (0, 17.5 )

X intercept (-21 , 0)

3 0
3 years ago
What? I don’t under stand
s2008m [1.1K]

Answer:

? = h

Step-by-step explanation:

v = lwh

v / wh = lwh / wh

v / wh = l

Hopefully this helped!

Brainliest please?

5 0
3 years ago
Read 2 more answers
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Inessa [10]

Step-by-step explanation:

1.

true

false

false

true

2.

yes

no

yes

no

yes

3.

A

4.

7,5 $

6 0
2 years ago
Please help im struggling so much
Serggg [28]

Answer:

B. y=-10,250

C. 6 payments

Sorry for my terrible handwriting.. Hope this helps tho! Have a great day/night!

8 0
2 years ago
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