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miskamm [114]
3 years ago
15

What is the ratio of the surface area of a2-inch cube to a 4-inch cube?​

Mathematics
1 answer:
sveta [45]3 years ago
4 0

Answer:

2:4

Step-by-step explanation:

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100 students in a classroom like iPhone or Samsung mobile or both mobile. Out kf them, 40 both mobiles. It the ratio of number o
ladessa [460]

The number of students who like Iphone: 46

I hope that answers your question!

4 0
2 years ago
16 2/3% of 21.6 is?
soldier1979 [14.2K]

Answer:

21

Step-by-step explanation:

7 0
3 years ago
A light shines from the top of a pole 50ft high. a ball is dropped from the same height from a point 30 ft away from the light.
belka [17]
The speed of the ball is 
ds/dt = 32t
At t =1/2 s
ds/dt = 16 ft/s
The distance from the ground
50 - 16(1/2)^2 = 46 ft
The triangles formed are similar
50/46 = (30 + x)/x
x = 345 ft

50 / (50 - s) = (30 + x)/x
Taking the derivative and substituing
ds/dt = 16
and
Solve for dx/dt
7 0
3 years ago
There are 48 students in the 6th-grade band. If this represents 30% of the students in 6th grade, how many students are in the 6
Artemon [7]

Answer:

160

Step-by-step explanation:

had the question before

4 0
2 years ago
Read 2 more answers
Help pleaseeeeeeee.
Dmitry_Shevchenko [17]
Answer: 11x

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Explanation:

Let L be the length of rectangle B
There are two copies of L (along the top and bottom of the rectangle). The vertical pairs of sides are both 7x each.

For the triangle, we have three sides of 12x since this is an equilateral triangle. All three sides are congruent for any equilateral triangle.

The perimeter of the triangle is
P = s1+s2+s3
P = 12x+12x+12x
P = 36x

The perimeter of the rectangle is 
P = 2*L+2*W
P = 2L+2*7x
P = 2L+14x

Since both perimeters are the same, this means 
perimeter of triangle = perimeter of rectangle
36x = 2L+14x
36x-14x = 2L+14x-14x
22x = 2L
2L = 22x
2L/2 = 22x/2
L = 11x

So the length of the rectangle, in terms of x, is 11x. This is the final answer.

Note: if we knew the value of x, then we could find the numeric value of the length for the rectangle. But since we don't know x, we leave it as 11x.

7 0
3 years ago
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