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Mama L [17]
4 years ago
13

A corn silo contains 8,250 cubic feet of

Mathematics
1 answer:
tigry1 [53]4 years ago
7 0

Answer:

V=1,080t

Step-by-step explanation:

Remember that

1\ h=60\ min

so

1\ min=(1/60)\ h

we know that

The rate is 18\frac{ft^3}{min}

Convert to ft³/h

18\frac{ft^3}{min}=18\frac{1}{(1/60)}=18(60)=1,080\frac{ft^3}{h}

The equation that can be used to find the Volume  V of the corn in the silo hours after loading begin represent a proportional relationship

V=kt

where

V is the volume of the corn in the silo

t is the time in hours

k is the constant of proportionality  or rate

we have

k=1,080\frac{ft^3}{h}

therefore

V=1,080t

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Michael and Lindsey are saving money. Michael begins with $20 and saves $5 per week. Lindsey begins with no money, but saves $10
True [87]
Let
x----------> number of weeks
y----------> saved money

we now that

<span>Michael begins with $20 and saves $5 per week
so
y=20+5x------> equation 1

and
</span><span>Lindsey begins with no money, but saves $10 per week
</span><span>y=10x-------> equation 2

</span><span>the number of weeks it will take for Lindsey and Michael to save the same amount of money is when equation 1 is equals to equation 2
</span>
therefore
20+5x=10x------> 10x-5x=20------> 5x=20-----> x=20/5-----> x=4 weeks

the answer is 
4 weeks
3 0
3 years ago
Spiral Review Hayden is attending a craft show. The cost of an admission ticket is $8. The cost of a raffle ticket for a handmad
LekaFEV [45]

Answer:

7

Step-by-step explanation:

$45- $8 = 37 (aka his raffle ticket spending money)

37÷5= 7, so the max # of raffle tickets he can buy is 7.

7 0
4 years ago
Haley's car gets at least 17 miles per gallon. If she plans a trip that is 250 miles, what is the minimum number of gallons she'
icang [17]
Divide 250 miles by 17 mpg:

250 miles
-------------- = 14.7 gallons (absolute mininum).  Go for 15 gallons.
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4 0
3 years ago
Read 2 more answers
Example: y= -2x and y= x + 3<br> Does the point (0,4) make either equation true?
Alinara [238K]

Answer:

No it does not make either equation true

Step-by-step explanation:

If you substitute x, (0) and y (4) into the equation and solve, It doesn't end with a true statement.

8 0
3 years ago
Michael estimated his mass as 8 kilograms. Is his estimate reasonable? Justify your answer.
Gennadij [26K]

Answer:  The answer is Yes.


Step-by-step explanation:  Given that Michael estimated his mass and found it to be 8 kilograms. It may sound awkward to us, but its true. Because when we measure our weight by the weight machine it gives us the product of our actual mass and the acceleration due to gravity.

From second law of motion, we have

Weight = mass × acceleration due to gravity.

That is, W = m × 9.8 m/sec².

The unit of mass is kilogram and 1 kg m/sec² = 1 Newton. Therefore, the unit of the weight we generally measure is Newton (N), not kilogram. Here is what we make mistake usually.

Thus, if Michael' mass is 8 kg, then his weight will be

W = 8 × 9.8 kg m/sec² = 78.4 N, which is normal weight of a person.

Thus, his estimation is perfectly OK.


8 0
3 years ago
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