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
Archy [21]
2 years ago
10

Find the value of X

Mathematics
1 answer:
devlian [24]2 years ago
8 0

Answer:

x = 14

Step-by-step explanation:

  • By tangent secant theorem

  • x^2 = 7(7+21)

  • \implies x^2 = 7(28)

  • \implies x ^2=196

  • \implies x=\pm\sqrt{196}

  • \implies x=\pm 14

  • x can not be negative

  • \implies x=14
You might be interested in
Which of the following represents the function f(x) = x2 − 14x − 1 in vertex form? Identify the vertex.
RUDIKE [14]
The vertex is (7,-50) 
***rewrite in standard form***
8 0
3 years ago
What substation should be used to rewrite 4x^4-21z^2+20=0
elena-s [515]
\left[x _{4}\right] = \left[ \frac{ - \left( -1\right) ^{\frac{3}{4}}\,\sqrt[4]{\left( 20 - 21\,z^{2}\right) }}{\sqrt[4]{4}}\right][x​4​​]=[​​4​​√​4​​​​​−(−1)​​4​​3​​​​​4​​√​(20−21z​2​​)​​​​​]
I hope helping with u
6 0
3 years ago
Help plz. <br><br><br><br> 3:5=____%
NemiM [27]

Answer:

3:5=_____%

Step-by-step explanation:

3:5 equal to 60%

3 0
3 years ago
What is 7.5 as a decimal?
OlgaM077 [116]
7.5?????????? hope you get this right
8 0
3 years ago
What's the meaning of ode​
shtirl [24]

An ode is a type of lyrical stanza. It is an elaborately structured poem praising or glorifying an event or individual, describing nature intellectually as nicely as emotionally. A basic ode is structured in three major parts: the strophe, the antistrophe, and the epode.

7 0
3 years ago
Read 2 more answers
Other questions:
  • A design on the surface of a balloon is 9 cm wide when the balloon holds 62 cm3 of air. How much air does the balloon hold when
    8·1 answer
  • Two numbers are in a ratio of 5:4. Their sum is 720. Find the bigger number.
    9·1 answer
  • A triangle with side lengths 6in... 8in... and 10in plz oh plz help me. like right now
    5·1 answer
  • What is the value of x
    8·1 answer
  • Evaluate the expression if y=6 : 30 - 24 ÷ y
    8·1 answer
  • Find the least common denominator for these fraction 4/8 and 1/4​
    7·1 answer
  • PLEASE HELP ME ASAP THIS IS DUE IN LESS THEN A HOUR PLEASE
    12·1 answer
  • A line passes through the points ( - 9, - 24) and (8, – 9).
    6·1 answer
  • What is the approximate radius of a sphere with a volume of 34cm^3
    14·2 answers
  • The radius of a right circular cone is 2 in. By what factor will the volume change if the radius of the cone is multiplied by 3
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!