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3 years ago

5

a city known for it temperature extremes started the day at -5 degrees farenheit. the temperature increased by 78 degrees farenh

eit by midday and then dropped 32 degrees by nightfall

1 answer:

Zina [86]3 years ago

7 0

Temperature at nightfall = -5 + 78 - 32 = 41 degree Farenheit

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Ron has 20 apples he used two fifthsof the apple to make pies.how many apples did Ron us for pies?

CaHeK987 [17]

50 apples. Ron used 50 apples

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3 years ago

Calculate the density of a rock that has a mass of 454 g and a volume of 100.0 cm3.

Katena32 [7]

Answer:

4.54 g/cm^3

Step-by-step explanation:

d = m/v

d = 454 g ÷ 100.0 cm^3

d = 4.54 g/cm^3

3 sig figs so this answer is complete

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3 years ago

The sum of two numbers is -284. One number is 62 less then the other. Find the numbers

ira [324]

Answer:

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Step-by-step explanation:

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3 years ago

Maureen walked 3 miles how many feet did she walk

Ostrovityanka [42]

Answer:

15,840 feet.

Step-by-step explanation:

We have been given that Maureen walked 3 miles. We are asked to convert the distance walked by Maureen in feet.

Since we know that 1 mile equals 5,280 feet, so to convert our given distance we will multiply 3 by 5,280.

$\text{Number of feet Maureen walked}=\text{3 miles}\times \frac{5,280\text{ feet}}{\text{Mile}}$

$\text{Number of feet Maureen walked}=3\times 5,280\text{ feet}$

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Therefore, Maureen walked 15,840 feet.

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3 years ago

Solve:<br> 2y + 5x=30<br> y = 3x + 4

mafiozo [28]

Replace the second equation y=3x+4 into the first one:
2(3x+4)+5x=30
Now solve for x:
6x+8+5x=30
11x=30-8
11x=22
x=22/11
x=2
Finally, replace x=2 into y=3x+4
y=3*2+4
y=6+4 = 10
So the anwer is x=2, y=10

6 0

3 years ago