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Evgen [1.6K]
3 years ago
8

The two solids are similar and the ratio between the lengths of their edges is 2:9 what is the ratio of their surface areas

Mathematics
2 answers:
romanna [79]3 years ago
7 0

Answer: 4:81

Step-by-step explanation:

aliina [53]3 years ago
3 0
I THINK the ratio is 4:81 but i don’t know lol
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5 out of 20 students said ice cream was their favorite snack if they were a hundred six graders how many would chose ice cream P
Rufina [12.5K]

Answer:

<u>25 students</u>

Step-by-step explanation:

20 times 5 equals 100

5 times 5 equals 25

To get to 100 students you would times it by 5 and because we times'd the 20 times 5 we need to do the same to the 5 which would result in 25 students. Hope this helped! xx

4 0
2 years ago
If you were asked to solve a system of linear equations using the substitution method, in what form would one or both of the equ
elena55 [62]

Answer:

It'd be easist if one of  the variables was by itself

Step-by-step explanation:

I.E: y=2x+4 and 2y+x=23

4 0
3 years ago
Read 2 more answers
This table shows values represented by an exponential function x= 0,1,2,3,4,5,6 y=1,3,9,27,64,125,216 what is the average rate o
juin [17]

27.5 is the answer

For this case we know that the average rate of change of a function is given by this general expression:

m = f(b) - f(a)/ b-a

For this special case from the info in the table we have:

a =2 , f(2) = 9

a =4 , f(4) = 64

And replacing the data with the average rate formula we got:

m = 64 - 9/4 - 2 = 27.5

And then the best answer for this case would be:

27.5

The exponential function is a mathematical function represented by f (x) = \ exp or e ^ {x}. Unless otherwise specified, the term generally refers to a function of a positive value of a real variable, but it can also be extended to complex numbers or generalized to other mathematical objects such as matrices and Lie algebras.

Learn more about exponential function here:brainly.com/question/2456547

#SPJ4

7 0
2 years ago
Given the diagram below, Hannah writes m 1+ m 4 = 180°, m 2 + m 5 = 180°, and m 3+ m 26 = 180°. Which of the following reasons a
Paladinen [302]

Answer:

A. Definition of linear pair

Step-by-step explanation:

A linear pair of angles is formed when two lines intersect. Since angle on a straight line = 180°, angles of a linear pair sum up to 180°.

angles 1 and 4, angles 2 and 5, angles 3 and 6 are all linear pairs. Each pair = 180°.

4 0
3 years ago
Triangle ABC is similar to Triangle FGH. What is the value of x in centimeters?
EleoNora [17]

<u>Given</u>:

Given that the triangle ABC is similar to triangle FGH.

We need to determine the value of x.

<u>Value of x:</u>

Since, the triangles are similar, then their sides are proportional.

Thus, we have;

\frac{AC}{FH}=\frac{AB}{GF}=\frac{BC}{GH}

Let us consider the proportion \frac{AB}{GF}=\frac{BC}{GH} to determine the value of x.

Substituting AB = 9 cm, GF = 13.5 cm, BC = 15 cm and GH = x, we get;

\frac{9}{13.5}=\frac{15}{x}

Cross multiplying, we get;

9x=15 \times 13.5

9x=202.5

 x=22.5 \ cm

Thus, the value of x is 22.5 cm

Hence, Option F is the correct answer.

8 0
3 years ago
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