1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
natka813 [3]
3 years ago
12

Find the value of x.

Mathematics
1 answer:
amm18123 years ago
7 0

Answer:

Step-by-step explanation:

By similar triangles (use the two smaller ones

7 / x = x / 3         Cross multiply

x^2 = 21              Take  the square root of both sides

√x^2 = √21

x = √21

You might be interested in
Which of the following is NOT a guideline to follow when evaluating consumer information? a. Use a reliable and informed source
Dominik [7]
The statement which is NOT a guideline to follow when evaluating consumer information is C. Submit private information regardless of who is asking.
6 0
3 years ago
Read 2 more answers
1/4 (x + 12) = 5?<br> Simplify (distribute) and rewrite your expression <br> Solve for X
ladessa [460]

Answer: x = 8

Step-by-step explanation: 1/4(x+12)=5 is the same as 1/4x + 3 = 5. 1/4 of 8 is 2. 2+3=5.

5 0
3 years ago
Read 2 more answers
What is the value of the underline digit 56.123 1 is underlined.A.ten B.one C.one-tenth D.one-hundredth ? Not sure if it is ten
Triss [41]
1 is in the one-tenths place. If 2 was in this spot, it would be two-tenths.

Here are the place values for the question's given number of 56.123.

5- tens
6- ones
decimal
1- tenths
2- hundredths
3- thousandths

ANSWER:
1 has the place value of C) one-tenth

Hope this helps! :)
6 0
3 years ago
Read 2 more answers
Use 1% or 10% to estimate 93% of 149<br><br> A. 169.5<br> B. 13.5<br> C. 112<br> D. 135
irakobra [83]
93% of 149

10% of 149 = 14,9

93% of 149 > 90% of 149

93% of 149 > 149 - 14,9 ≈ 149-15≈134
                   > 134
⇒ the answer is D

5 0
3 years ago
in triangle ABC angle A is a right angle and m B=45. Find BC. If your answer is not an integer, leave it in the simplest radical
Sergio039 [100]
I believe it's \sqrt[12]{2}

Hope I helped! ( Smiles )
5 0
3 years ago
Other questions:
  • Five times a number is 5 more than the number
    5·2 answers
  • In a triangle there is three angles..one is 32° other is 116° what is the third one?
    5·2 answers
  • write the place value of the underlined digit. round each number to the place of the underlined digit 2.348 *3 is underlined*
    5·1 answer
  • (adapted from Ross, 2.37) Your math professor gives you a set of 10 problems and tells you that the final exam will consist of a
    9·2 answers
  • What is the perfect square number is the base factor is 11?
    9·1 answer
  • What is the equation of the parabola with a directrix at y = 4 and focus (0, -4).
    10·1 answer
  • Plsss help i’m in 7th grade!!
    11·2 answers
  • It took Hannah 32 minutes to run 8 laps. How many minutes will it take her to run 1 lap?
    10·1 answer
  • A graph of f(x) = 6^2 - 11x + 3 is shown on the grid
    6·1 answer
  • The profit earned by a hot dog stand is a linear function of the number of hot dogs sold. It costs the owner $48 dollars each mo
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!