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timurjin [86]
3 years ago
15

Wayne is 12 mi due north of Jefferson, and Oakland is due west of Jefferson. Wayne is 28 mi from Oakland. How far apart are Jeff

erson and Oakland? Round your answer to the nearest tenth of a mile. Do not include units.
Mathematics
1 answer:
bija089 [108]3 years ago
3 0
The anwer is 233,000 and that is the anwer so i need a thank you
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The sum of 7 and three times a number is at least 13
Yuki888 [10]

Answer:

7 + 3x ≥ 13

Step-by-step explanation:

The best way to write this is to truly understand what each of the terms mean. The sum means that multiple terms are added together, which means that 7 and 3 times a number will be added together.

Next, the term three times a number just means 3x. So as of now, we have 7 and 3x being added together.

Finally, the term at least 13 means that the 7 + 3x is greater than or equal to 13. Once everything is put together, you get a final inequality of 7 + 3x ≥ 13.

7 0
2 years ago
kelly wants to build a pacman shaped pool in her back yard pictured to the right (3/4 of a circle). she needs to have a gate aro
Andreas93 [3]
You need to find the circumference of the whole circular pool and then subtract from it the arc length that is 1/4 of the circumference.  The circumference formula is C = (3.14)(d), which in our case is 3.14(40) which is 125.6.  Now we need the arc length we need to take away.  1/4 of a circle corresponds to a 90 degree angle, so in the formula for arc length, we have this: \frac{90}{360} (3.14)(40) which equals 31.4.  Now subtract that from the circumference of the whole circle and you get the outside of the circle minus that arc length.  That's 94.2.  But we have to go in the radius times 2 to enclose the pie shaped piece we cut away.  So we have 134.2.  She should've just stuck with enclosing the circle; she would have used less fencing!
4 0
2 years ago
G the population of a town today is 48000 people. if the population decreases with a constant rate of change and the decrease is
tiny-mole [99]
The population in ten years will be 208,000
5 0
3 years ago
Farmer Samantha has a cylindrical grain silo with a diameter of 12 feet and a height of 40 feet. The silo is filled with grain t
sammy [17]

Answer:

161,234 pounds of grain will remain in the silo

Step-by-step explanation:

In this question, we are to calculate the amount of grains that will be left in a silo if 20 cows feed on the content for 100 days.

Firstly, we need to calculate the amount of grains present in the silo.

This we can do by first calculating the volume of the silo. Since it is cylindrical in shape, we apply the formula for the volume of a cylinder.

Mathematically, the volume of a cylinder is

V = pi * r^2 * h

Here we have the r = D/2 = 12/2 = 6 feet and h = 40 feet. Plugging this , we have;

V = pi * 6^2 * 40 = 1440pi cubic feet

Now, per cubic feet, we have a weight of 48 pounds. The weight of grains thus present in the silo is thus;

1440pi * 28 = 1440 * pi * 48= 69,120pi pounds of grain

Let’s calculate what the cows would feast on. That would be 20 * 28 * 100 = 56,000 pounds of grains

Now we need to know what will remain. We just need to subtract what is consumed by the cows from we have inside the silo

What is inside the silo would be 69,120 * 22/7 = apprx 217,234 pounds

What will remain is thus 217,234 - 56,000 = 161,234 pounds of grain

3 0
2 years ago
if there are 20 questions on a test and I get 45% on the test how much is each question worth percent wise?? using numbers and t
alexdok [17]

Answer:

Each question worth 5.

Step-by-step explanation:

Each question worth 5 Point because

5 x 20 = 100

Hence, 20 question each question worth 5 point.

If You get a 45% then you miss 11 question and only get 9 question correct..

9/20 x 100 = 45.

6 0
2 years ago
Read 2 more answers
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