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Svetradugi [14.3K]
3 years ago
7

If two lines have different slopes and the same y-intercept, the two lines ( ___)

Mathematics
1 answer:
nydimaria [60]3 years ago
7 0

Answer:

"Lines s and t have slopes that are negative reciprocals of one another."

Step-by-step explanation:


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Simlplify the expression. 2.3h(6-k)
makvit [3.9K]

Answer:

13.8h-2.3hk

Step-by-step explanation:

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How many solutions does the following equation have?
Alik [6]

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Step-by-step explanation:

-5 (2+1) = -22 +10

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3 0
3 years ago
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Solve the equation a/a^2-9 +3/a-3=1/a+3
MAXImum [283]
Answer is: a= -4
STEP
1
:

1
Simplify —————
a + 3
Equation at the end of step
1
:

a 3 1
(————————+—————)-——— = 0
((a2)-9) (a-3) a+3
STEP
2
:

3
Simplify —————
a - 3
Equation at the end of step
2
:

a 3 1
(————————+———)-——— = 0
((a2)-9) a-3 a+3
STEP
3
:

a
Simplify ——————
a2 - 9
Equation at the end of step
3
:

a 3 1
(————————————————— + —————) - ————— = 0
(a + 3) • (a - 3) a - 3 a + 3

Equation at the end of step
4
:

(4a + 9) 1
————————————————— - ————— = 0
(a + 3) • (a - 3) a + 3
Pull out like factors :

3a + 12 = 3 • (a + 4)

Equation at the end of step
6
:

3 • (a + 4)
————————————————— = 0
(a + 3) • (a - 3)

3•(a+4)
——————————— • (a+3)•(a-3) = 0 • (a+3)•(a-3)
(a+3)•(a-3)

a+4 = 0

Subtract 4 from both sides of the equation :
a = -4
7 0
3 years ago
Jina has scored 76, 85, and 86 on her previous three tests. What score does she need on her next test so that her average (mean)
Scilla [17]
Hello There!

Follow through these steps:
77 x 4 = 308
76 + 85 + 86 = 247
308 - 247 = 61.

She needs to score 61.

Hope This Helps You!
Good Luck :) 

- Hannah ❤
3 0
3 years ago
Which system of linear inequalities is represented by the graph?
MrRa [10]

Im not good in math and this is my first question, my best guess is D

I will investigate tommorow this problem a little bit more... <3

5 0
3 years ago
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