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andre [41]
2 years ago
8

Heyy! i’ll give brainliest please help.

Mathematics
1 answer:
aliina [53]2 years ago
8 0
Lower altitudes have higher climates !
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Consider the line y= -7/4x+8
VARVARA [1.3K]
Perpendicular line has slope that multiplies to -1
paralel line has same slope

y=mx+b
slope=-7/4
perpendicular
4/7
(-7,-2)
-2=4/7(-7)+b
-2=-4+b
add 4 both sides
2=b
y=4/7x+2


paralel
y=-7/4x+b
-2=-7/4(-7)+b
-2=49/4+b
minus 49/4 from both sides (-2=-8/4)
-57/4=b
y=-7/4x-14.25


perpendicular
y=4/7x+2
paralel
y=-7/4x-14.25
8 0
3 years ago
PLEASE HELP!! I'LL GIVE BRAINIEST!!<br><br> What is the measure of ∠PQR?
My name is Ann [436]

Answer:

55

Step-by-step explanation:

Trust me

7 0
3 years ago
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What is the length of the line to the nearest sixteenth of an inch
Inga [223]

the length of the line is 2 1/16

8 0
3 years ago
Which statement below compares the decimals correctly?
nata0808 [166]
A. 0.65 < 0.77 0.77 is greater than 0.65
7 0
3 years ago
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A mechanical system has 3 subsystems in series, each has reliabilities 98%, 96% and 94%, respectively. What is the overall relia
Ede4ka [16]

Answer:

The overall reliability of the system is 99.9952%

Step-by-step explanation:

Probability of the system not working:

None working, the first with 2% probability of not working(as it has 98% probability of working), the second with 4% and the third with 6%. So

0.02*0.04*0.06 = 0.000048

Probability of the system working:

1 subtracted by the probability of the systme not working.

1 - 0.000048 = 0.999952

0.999952*100% = 99.9952%

The overall reliability of the system is 99.9952%

4 0
3 years ago
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