notexactlysmart
notexactlysmart notexactlysmart
  • 26-05-2021
  • Mathematics
contestada

can someone help me with this question? will give thanks!

can someone help me with this question will give thanks class=

Respuesta :

akposevictor
akposevictor akposevictor
  • 31-05-2021

Answer:

B. 63

Step-by-step explanation:

There are two similar triangles given in the diagram above. Since they area similar, they also have corresponding side lengths that are proportional.

Therefore:

(6 + 3)/3 = x/21

9/3 = x/21

3 = x/21

Cross multiply

21*3 = x

63 = x

x = 63

Answer Link

Otras preguntas

If f(x) = 24 +5, then what is the remainder when f(x) is divided by 2 + 2?
93. Let f(x) = 3x - 1 and g(x) = x + 5. Evaluate the following limits. (a) lim x→3 f(g(x)] (b) lim x→3 g[f(x)]
Solve 4.5 divided by 0.9
define the concept "risky behaviour" and explain 2 factors why it is important for youths to investigate and be knowledgable about it
Which of the following tables represent functions? If the relation is not a function, indicate why it is not.
8. Find the sum and difference between the greatest number and the least number of 7-digits number. ​
what do you think the benefits of nuclear energy are​
Nuclear fusion produces _____________ nuclei.
Sophie went to the lake with her family. First, they spent 1 1/4 hours fishing. Then, they spent twice as much time swimming. How much time did they spend fish
A game involves a spinner that is evenly separated into four sections. To play the game, a player spins the spinner three times. What is the number of individu