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mart [117]
3 years ago
10

If two is added to four times a certain number, the result is 26. What is the number?

Mathematics
2 answers:
olga2289 [7]3 years ago
6 0
The number is 8 because 4 times 8 equals 24 plus 2 is 26
Vitek1552 [10]3 years ago
6 0

For this sort of question you have to work backwards.

.

26 - 2 = 24.

24 / 4 = 6

.

The number would be 6

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It is 3 how many different outcomes are they there are three outcomes road once
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a used bookstore will trade two of its books for three of us and they'll brings and 18 books to trade how many books can she get
Gemiola [76]
18/3=6
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4 0
3 years ago
Please please help! first answer gets brainliest
Citrus2011 [14]

Answer:

u cant give brainliest to someone when only one person has answered

Step-by-step explanation:

7 0
3 years ago
A and B are similar solid cylinders base area of A : base area of B = 9 : 25
fomenos

Answer:

Two figures are similar if the figures have the same shape but different sizes.

Then if we have two figures X and X'

Such that one dimension of X is D, the correspondent dimension on X' will be:

D' = k*D

Such that k is the scale factor that relates the figures.

1:k

Because all the dimensions will be rescaled by the same scale factor k, we can conclude that any surface on X will be related to the same surface in X' by:

S' = k^2*S

then the ratio of the surfaces is:

1:k^2

While the relation between the volumes will be:

V' = k^3*V

Here the ratio is:

1:k^3

Ok, in this case we have two cylinders

We know that the ratio between the base area ( a surface) is:

9:25

a) We want to find the ratio: curved surface area of A : curved surface area of B

Because again we have a surface area, the ratio should be exactly the same as before, 9:25

b) height of A : height of B

In this case, we have a single dimension.

Because in the rescaling of a surface we need to use k^2, then we can conclude that the ratios:

9:25

is related to k^2

Then the ratio, in this case, is given by applying the square root to both sides of the previous ratio, so we get:

√9:√25

3:5

This is the ratio of the heights.

Also from this we could get the value of k, that is the right value when we leave the left value equal to 1, we can get that if we divide both sides by 3.

(3/3):(5/3)

1:(5/3)

Then:

k = 5/3

7 0
3 years ago
Find an equation of the line passing through the given points. Use function notation to write the equation. (-3,11) and (0,2)
juin [17]

Answer:

y=-3x+2

Step-by-step explanation:


6 0
3 years ago
Read 2 more answers
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