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Neporo4naja [7]
3 years ago
11

Put the correct answer for but if I check the answer and the answer is wrong then i´m going to report you!

Mathematics
2 answers:
SpyIntel [72]3 years ago
8 0
The answer should be 400 - 21s= 232
stiv31 [10]3 years ago
3 0

Answer:

It’s C

Step-by-step explanation:

Why because it’s is

Dream should do a facial revile

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one interior angle of a polygon is a right angle and each of the other interior angles is 126°. Calculate the number of sides of
Vikentia [17]

Answer:

There are 7 sides.

Step-by-step explanation:

Let's Use the formula that states that the sum of the angles of an n-sided polygon is given by.

S=(n−2)180

Since we are given that the two angles are right, the angles and each of the remaining angles is 144.

And Therefore, the sum is:

S=90

(n−2)144

(n−2)180

=90

+90

+(n−2)144

⇒(n−2)180

−(n−2)144

=180

⇒(n−2)(180

−144

)=180

⇒(n−2)(36

=180

⇒n−2=

36

180

​⇒n−2=5

⇒n=5+2=7

Hence, the polygon has 7 sides.

6 0
2 years ago
Read 2 more answers
С
xeze [42]

Answer:

?

Step-by-step explanation:

6 0
2 years ago
5x-6y=-25 and 4x-3y+20=0 How many solutions does the system have?
natta225 [31]
It has only 2 solutions
8 0
3 years ago
A system of equations and its solution are given below.
Fittoniya [83]
Answer: Option <span>C. To get system B, the second equation in system A was replaced by the sum of that equation and the first equation multiplied by -3. The solution to system B will be the same as the solution to system A.

First equation of system A multiplied by -3:
(-3)(x+6y=5)
(-3)(x)+(-3)(6)=(-3)(5)
-3x-18=-15

Sum of the second equation of system A and the first equation multiplied by -3:
(-3x-18)+(3x-7y)=(-15)+(-35)
-3x-18+3x-7y=-15-35
-25y=-50

System B
x+6y=5
-25y=-50 </span>
4 0
3 years ago
Read 2 more answers
Jason built a model of the Pentagon for a social studies project. He made each outside wall 33 centimeters long. What is the per
sammy [17]

Answer:

165 centimeters

Step-by-step explanation:

A pentagon has 5 sides

Each side is 33 centimeters long

5 x 33 = 165

8 0
3 years ago
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