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TiliK225 [7]
3 years ago
9

The triangles are similar what is the value of x? Enter your answer in the box

Mathematics
1 answer:
olchik [2.2K]3 years ago
4 0

Answer:

The value of x = 23

Step-by-step explanation:

Points to remember

The ratio of of corresponding sides of similar triangles are equal.

<u>To find the value of x</u>

From the figure we can see two similar triangles.

Therefore we can write,

(x  - 10)/39 = 5/15

x - 10 = (5 * 39)/15

x - 10 = 13

x = 13 + 10 = 23

Therefore the value of x = 23

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Hey can you please help me posted picture of question
Maksim231197 [3]
For this case we have the following equation:
 y = x2-4x + 3
 Deriving we have the following equation:
 y '= 2x-4
 We equal zero and clear x:
 2x-4 = 0
 x = 4/2
 x = 2
 Substituting in the given equation we have:
 y = (2) ^ 2-4 (2) +3
 y = 4-8 + 3
 y = -1
 The vertex will be the ordered pair:
 (x, y) = (2, -1)
 Answer:
 
(x, y) = (2, -1)
 
option B
5 0
3 years ago
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What is the answer to this
Sphinxa [80]

X= 3/9 is the answer!!

7 0
3 years ago
The expression 35 exponet 2 is equivalent to the product of two perfect squares (each greater than 1). You can find the two
raketka [301]

Answer:

tb

Step-by-step explanation:

7 0
3 years ago
What is the value of the expression below when z<br> 8 and w<br> 3?<br> 9z-8w
Gnesinka [82]

Answer:

48

Step-by-step explanation:

1) 9*8=72

2) 8*3=24

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5 0
3 years ago
Find the measure of
Sonbull [250]

Answer: 77°

Step-by-step explanation:

First we are going to find x and then insert it in 18x +5 to be able to get our <WZX

But to find x, we will have to apply the the exterior angle theorem

The exterior angle theorem state that : the exterior angle is equal to the sum of the two opposite interior anges

Using this theorem, then from the diagram above ;

18x + 5 = 48 + 8x - 3

we collect like term

18x - 8x = 48-3-5

10x = 40

Divide bothside by 10

10x/10 = 40/10

x = 4

but <WZX = 18x + 5

Then we substitute x=4

<WZX = 18(4) + 5

<WZX = 72 +5

<WZX =77

Therefore the measure of <WZX is 77°

8 0
3 years ago
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