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Marta_Voda [28]
2 years ago
12

The temperature after a decrease of 5°F from a temperature of −5°F.will have a result of zero?

Mathematics
1 answer:
ycow [4]2 years ago
4 0
No it will be -10 degrees
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Your family goes out to Chili's for dinner. Chili's charges $9 for an adult dinner and $5 for a
klasskru [66]

Answer:

4 adults and 6 children

Step-by-step explanation:

9 x 4 = 36

5 x 6 = 30

36 + 30 = 66

There was 4 adults and 6 children

5 0
3 years ago
Two cars leave towns 750 kilometers at the same time and travel toward each other. One car's rate is 12 kilometers per hour less
andreev551 [17]

If the distance between the two twons equals 750 km, and the cars met at some point on the road then the distance of the first car added to the distance of the second car equals 750 km, like this:

d1 + d2 = 750

Where d1 is the driven distance by the first car and d2 is the driven distance by the second car.

Distance, is the product of speed and time, then we can rewrite the above equation like this:

s1×t + s2×t = 750

S1 is the speed of the first car and s2 is the speed of the second time, t is the time. We already know that the time it took the cars to meet each other equals 5 hours, then, by replacing 5 for t into the above expression, we get:

s1×5 + s2×5 = 750

5(s1 + s2) = 750

We are also told that the speed of the first car is 12 less than the speed of the second car, this means that the speed of the first car equals the speed of the second one minus twelve. Then we can formulate the following expression for the speeds of the cars:

s1 = s2 - 12

By replacing s2 - 12 for s1 into 5(s1 + s2) = 750 we get:

5(s1 + s2) = 750

5(s2 - 12 + s2) = 750

5(s2 + s2 - 12) = 750

5(2s2 - 12) = 750

By dividing both sides by 5, we get:

(2s2 - 12) = 750/5

2s2 - 12 = 150

By adding 12 on both sides:

2s2 = 150 + 12

2s2 = 162

Finally, by dividing by 2 on both sides:

s2 = 162/2

s2 = 81

Now that we know that the speed of the second car, equals 81, we can find the speed of the first car by means of the formula s1 = s2 - 12, then we get:

s1 = s2 - 12

s1 = 81 - 12

s1 = 69

Then, the speed of the slower car equals 69 kilometers per hour

7 0
1 year ago
Elena's backyard is in the shape of a rectangle. She created a triangular-shaped flower bed (shown as the shaded region) to plan
Scorpion4ik [409]
25 feet I don’t know hard problem sorry 24hhk
8 0
2 years ago
Brainliest for best answer thank for helping
zaharov [31]

Answer:

A

Step-by-step explanation:

Find the slope using rise/run

This gets you -5/4

Find the y intercept, which is at (0, 3)

This means the equation will be:

y = -5/4x + 3

8 0
3 years ago
Solve the System of equations using substitution or elimination. Show work. 3x-4y=-31 X+y=6
Nataly_w [17]
Hope this helps I got (-1, 7)
6 0
3 years ago
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