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ira [324]
4 years ago
10

Please help!!!! :) !!!!!!!!

Mathematics
1 answer:
Musya8 [376]4 years ago
6 0

Answer:

x = 3

Step-by-step explanation:

Since the triangles are congruent then corresponding sides are equal, thus

x - y = x + 2 ( subtract x from both sides )

- y = 2 ( multiply both sides by - 1 )

y = - 2

and

4x + 2y = 2x - y

substitute y = - 2

4x - 4 = 2x + 2 ( subtract 2x from both sides )

2x - 4 = 2 ( add 4 to both sides )

2x = 6 ( divide both sides by 2 )

x = 3

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A town has a population of 2000 and grows at 4% every year. What will be the population after 15 years, to the nearest whole num
sesenic [268]

Answer:

3602.

Step-by-step explanation:

The formula is:

Population after n years = 2000( 1.04)^n

After 15 years the population will be 2000(1.04)^15

=  3602.

5 0
3 years ago
Need some help please would really be greatful
Gnesinka [82]

Answer:

x = 100°

Step-by-step explanation:

Actually the drawing is very inaccurate, so it is a regular pentagon, otherwise x would be 60° and none of the answers would fit.

The formula for finding the sum of all angles in a polygon is:

(n-2) * 180°

n is the number of sides

Here n = 5, so the sum of all angles is (5-2) * 180° = 540°

x + 2x + 86 + 92 + 62 = 540

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6 0
3 years ago
In fig if x+y=w+z then prove that AOB is a line.​
frez [133]

Answer:

As Given, x+y=w+z

To Prove: AOB is a line or x+y=180

∘

(linear pair.)

According to the question,

x+y+w+z=360

∘

∣ Angles around a point.

(x+y)+(w+z)=360

∘

(x+y)+(x+y)=360

∘

∣ Given x+y=w+z

2(x+y)=360

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(x+y)=180

∘

Hence, x+y makes a linear pair.

Therefore, AOB is a straight line

4 0
3 years ago
An athlete jumps vertically at t=0 from the ground and stays in the air for one second before landing on the ground again. The h
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Answer:

The answer is B

Step-by-step explanation:

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3 years ago
Resuelve las ecuaciones a+(-8/3)=23, 2y+(-5/4)=0,75, 18*=1/3, m-5=2/7<br><br> AYUDA POR FAVOR
Marina86 [1]

Answer:

a bueno bro pa saber.....

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3 years ago
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