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belka [17]
3 years ago
7

first 33.25 was divided by some number. the resulting quotient was then multiplied by 7. following this 5.9 was subtracted

Mathematics
1 answer:
dimaraw [331]3 years ago
6 0
(33.25/x)*7-5.9. ....
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A submarine is descending to examine the seafloor 2,100 feet below the surface. It took the submarine 8.75 hours to reach the se
marshall27 [118]

Answer:

240 feet per hour

Step-by-step explanation:

Given that:

Submarine is descending for examining the sea floor.

Distance of sea floor from the surface = 2100 feet

Time taken for the descend = 8.75 hours

To find:

The rate of descent in feet per hour = ?

Solution:

Here, we are given the distance traveled in feet and the time taken to travel that distance in hours.

And we have to find nothing but the speed of the submarine.

First of all, let us have a look at the relationship among speed, distance and time.

Speed = \dfrac{Distance}{Time}

Putting the values of distance and time.

Speed = \dfrac{2100}{8.75}\\\Rightarrow Speed = \bold{240\ feet/hr}

7 0
3 years ago
Witch rate is equivalent to 72/9
satela [25.4K]

Answer:8

Step-by-step explanation:

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3 years ago
Part of a school’s stage is shaped like a sector of a circle, as shown below. The students do not yet know the exact dimensions
Natasha2012 [34]

Answer:

  • 68.78° or 0.6 rad

Step-by-step explanation:

<u>Use the formula:</u>

  • degrees/360° = L/circumference
  • or
  • radians/π = L/circumference

<u>As per given:</u>

l = 12 feet, r = 10 feet

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8 0
3 years ago
Please explain to me and i will give brainly
GuDViN [60]

Answer:

17

Step-by-step explanation:

Look at any 2 adjacent numbers and find the difference between them.

Starting with numbers 1 and 2, subtract the first from the second:

-7-(-15)=-7+15=8

That's a difference of 8, meaning the second number increased by 8.

Check the next numbers, 2 and 3:

1-(-7)=1+7=8

It increased by 8 again. Now that we know for sure that each term in the sequence increases by 8 over the previous one, we can find the number in the green box. Just add 8 to the number before it:

9+8=17

6 0
3 years ago
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A 10-foot ladder is leaning against a wall. The base of the ladder is 2 feet from the base of the building. How far up the build
Pavel [41]
10x2 = 20

the building from the ladder is 20ft
5 0
3 years ago
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