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Amiraneli [1.4K]
3 years ago
7

Why are the solutions to the proportions StartFraction 40 over 8 EndFraction = StartFraction x over 10 EndFraction and StartFrac

tion x over 40 EndFraction = StartFraction 10 over 8 EndFraction the same?
Mathematics
2 answers:
seraphim [82]3 years ago
6 0

Answer:

50

Step-by-step explanation:

no need

Annette [7]3 years ago
5 0

Answer:Because both result in the equation 8x = 400 which simplifies to 50.

 Step-by-step explanation:

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grain is stored in cylindrical structures called silos which is the best estimate for the volume of a silo with a diameter of 12
zalisa [80]
Volume of a cylinder = base x height
the base is the area of the circle at the bottom. 

To find the area of a circle, you use:
A = πr²
where r is the radius of the circle. 
radius is half of the diameter, so with a diameter of 12.3, (divide that by 2) the radius of the circle is 6.15 feet. 

A = π(6.15)²
A ≈ 118.82 

Since we know the height is 25 feet, we can solve for the area of the cylinder. 

Area of the cylinder = 118.82 x 25 = 2,970.57 feet cubed
8 0
3 years ago
alex has twice as much money as jennifer. jennifer has $6 less than shannon. Together they have 54$. How much money does each ha
aleksley [76]
54-6 = 48

48/4 (Alex-twice, Jennifer, Shannon)
48/4= 12

Alex- 12 x 2 = $24

Jennifer- 12 = $12

Shannon- 12+6 (the 6 I subtracted 54-6) = $18
3 0
3 years ago
Find the value of x.
Leona [35]

This is an isosceles triangle. Therefore, at the base we have congruent angles (look at the picture).

We have the equation:

(5x + 13)° + (3x + 7)° = 180°

5x + 13 + 3x + 7 = 180    <em>combine like terms</em>

(5x + 3x) + (13 + 7) = 180

8x + 20 = 180     <em>subtract 20 from both sides</em>

8x = 160      <em>divide both sides by 8</em>

<h3>x = 20</h3>

3 0
3 years ago
Today, a factory inspector found flaws in 2 out of 16 wooden boxes. If the inspector checks 24 boxes tomorrow, predict how many
Mumz [18]

Answer:

3

Step-by-step explanation:

The assumed frequency of defects is 2/16.

When we apply this rate to 24, (2/16)*24, we get 3.

Therefore, we can assume around 3 defective boxes tomorrow.

7 0
3 years ago
Read 2 more answers
Talya so go to swim 30 miles over the summer she plans to swim 3/ 4 miles per detail she reaches her goal how many days will it
natka813 [3]

The answer would be 40 days

We achieve this answer by dividing the distance of the trip, 30 miles, by the distance traveled per day, 3/4 miles.

6 0
3 years ago
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