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Dmitry_Shevchenko [17]
3 years ago
14

How many ways can 7 students come in first, second, and third place in a math contest? Omg one student can earn each place

Mathematics
1 answer:
Lisa [10]3 years ago
5 0
I got 441 times using this formula 7x3^2=x
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Please help me if you can​
Luda [366]
A) 100 degrees (congruent angle)
B) 45 degrees (congruent angle)
C) 90 degrees (right angle)
D) 99 degrees (congruent angle)
E) 30 degrees (congruent angle)
F) 30 degrees (180-150=30, that is to find the other angle that is congruent to f)
5 0
2 years ago
1 of 6
nasty-shy [4]

Answer:

something

Step-by-step explanation:

sry i need answers

3 0
2 years ago
The sum of 5 times a number and 8 is equal to 9
Irina-Kira [14]

Answer:

The unknown number is \frac{1}{5}

Step-by-step explanation:

Let's make the unknown number x.

The sum of 5 TIMES a number (x) & 8 is 9.

Let's write it mathematically.

5x + 8 =9

We are trying to find the unknown number, so let's remove all the numbers from the left side to find x. Minus 8.

5x=1

5x is basically 5 times x, so to find x, we need to divide and from there we can remove 5.

x= \frac{1}{5}

4 0
3 years ago
Which piece of additional information can be used to prove that △rst ~ △vut? rt = st 3st = ut ∠r ≅ ∠v ∠v ≅ ∠u
Sunny_sXe [5.5K]

The option third ∠R ≅ ∠V is correct because line segment RS and UV are parallel which is crossed by a transversal RV.

<h3>What is the similarity law for triangles?</h3>

It is defined as the law to prove that the two triangles have the same shape, but it is not compulsory to have the same size. The ratio of the corresponding sides is in the same proportions and the corresponding angles are congruent.

The question is incomplete.

The complete question is in the picture, please refer to the attached picture.

We have given two triangles:

Triangle RST and Triangle VUT

AS we can see Line segment RS and UV are parallel.

Which is crossed by a transversal RV.

The angle SRV = Angle RVU

Thus, the option third ∠R ≅ ∠V is correct because line segment RS and UV are parallel which is crossed by a transversal RV.

Learn more about the similarity of triangles here:

brainly.com/question/8045819

#SPJ1

3 0
1 year ago
Jayden and Jacques went to the park to play. They were gone for an hour and fifteen minutes. They ot home at 12: 30 pm. What tim
Harman [31]

Answer:

11:15

Step-by-step explanation:

7 0
3 years ago
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