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Lesechka [4]
3 years ago
13

Please help me answer this question.

Mathematics
1 answer:
pogonyaev3 years ago
5 0

Answer: 5 miles

Step-by-step explanation:

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Solve the system by substitution or elimination
OleMash [197]
X - y = 5,
x = 5 + y
substitute (x = 5 + y) into the first equation,
5 + y + 2y = -1
3y = -6
y = -2,
substitute y = -2 into (x - y = 5),
x + 2 = 5
x = 3

Hence, x = 3, y = -2
4 0
3 years ago
Help show work due asap​
Vera_Pavlovna [14]

Answer:

77 pictures

Step-by-step explanation:

You are trying to find 18% of 430.

18/100 = 9/50 * 430

756/10 = 75.6

77 is the closest choice out of all the other choices.

3 0
3 years ago
One year on Venus is equivalent to 224.7 days on Earth. How many days on Earth, in decimal from, are equivalent to 9 ½ years on
Ivan

By using simple rule of three, a period of 9.5 years on Venus is equivalent to 2134.65 terrestrial days.

<h3>How many terrestrial days are equivalent time in Venus?</h3>

One year on Earth is equivalent to 365.3 days and one year on Venus is equivalent to 224.7 days, the equivalent terrestrial time of 9.5 years on Venus is found by simple rule of three:

x = 9.5 yr × (224.7 days / 1 yr)

x = 2134.65 days

A period of 9.5 years on Venus is equivalent to 2134.65 terrestrial days.

To learn more on simple rule of three: brainly.com/question/15209325

#SPJ1

6 0
2 years ago
A pair of sneakers are on sale for 20% off the original price. Tom purchased a pair of sneakers at this discounted price of $80.
LUCKY_DIMON [66]
The answer is 100.
You start by making a formula:
.80(x) = 80,
As we know the discount is 20% off, which makes the price actually 80% of what it originally was. Convert percent to a decimal gets you that .80
Reverse the process — 80/0.80 = 100
5 0
3 years ago
Read 2 more answers
A dashboard warning light is supposed to flash red if a car’s oil pressure is too low. On a certain model, the probability of th
PilotLPTM [1.2K]

Answer:

0.8462 or 84.62%

Step-by-step explanation:

The probability that the light flashes is given by the probability of it flashing when it should added to the probability of flashing when it should not:

P(F) = P(O)*P(F_O)+P(N)*P(F_N)\\P(F) =0.10*0.99 + (1-0.10)*0.02\\P(F) = 0.117

The probability that the oil pressure is low (driver needs to be concerned) is given by the probability that oil is low and the light flashes divided by the probability that the light flashes.

P(O|F) =\frac{P(O_F)*P(O)}{P(F)} \\P(O|F) =\frac{0.99*0.10}{0.117}\\ P(O|F) =0.8462

When the warning light goes on, there is a 0.8462 probability that the oil pressure is low.

5 0
3 years ago
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