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laila [671]
3 years ago
13

Find the circumference of a sphere's great circle with a radius of 4 m.

Mathematics
1 answer:
Ulleksa [173]3 years ago
3 0
This is the concept of areas and circumference of the solid figures;
The circumference of the cylinder whose radius is 4 m will be given by;
C=2πr
C=2*π*4
C=8π m=25.133 m
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The scale for a map is 20 miles = 1/2 inch. The distance between two towns on the map is 3 3/4 inches. What is the actual distan
zubka84 [21]

Answer:

150 miles

Step-by-step explanation:

If 1/2 of an inch is 20 miles, we can assume that 1/4 of an inch is 10 miles, since half of 1/2 is 1/4 and 1/2 of 20 is 10.

Equipped with this information, we can divide 3 by 1/2 or multiply 3 by the reciprical, 2/1 to get how much we should multiply 20 by.

3*2=6

20*6=120

Then we can multiply 10 by 3 and add that on our answer, since there are still 3/4s left and 1/4=10 miles.

10*3=30

120+30=150

The actual distance is 150 miles.

Hope this helps!

4 0
3 years ago
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Stella [2.4K]
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3(×+2)=24 can you help me​
trapecia [35]

Answer:

x = 6 if that's what your asking

Step-by-step explanation:

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3 years ago
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$1.85 for a sandwich, $1.15 for a drink, $0.65 for a bag of chips, and $1.10 for two apples. How much money does the student spe
-BARSIC- [3]

Answer:

$4.75 = 4 dollars and 75 cents

Step-by-step explanation:

$1.85 for a sandwich

$1.15 for a drink

$0.65 for a bag of chips

$1.10 for two apples.

The total amount of money the student spent at lunch, in dollars and cents is:

$1.85 + $1.15 + $0.65 + $1.10

= $4.75

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7 0
3 years ago
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Keith drove 436 miles using 16 gallons of gas at this rate how many miles would he drive using 14 gallons of gas
KengaRu [80]

This Question is related to Direct Proportionality

Here : The Number of Miles Driven is Directly Proportional to Number of Gallons of Gas

Number of Miles ∝ Gallons of Gas

Given Keith with 16 Gallons of Gas Drove 436 Miles

⇒ Keith with 1 Gallon of Gas would Drive - \frac{436}{16} Miles

⇒ Keith with 1 Gallon of Gas would Drive : 27.25 Miles

⇒ Keith with 14 Gallons of Gas would Drive : 14 × 27.25 Miles

⇒ Keith with 14 Gallons of Gas would Drive : 381.5 Miles

8 0
3 years ago
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