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Alla [95]
3 years ago
14

Solve for X ...........

Mathematics
1 answer:
musickatia [10]3 years ago
5 0

Answer:

x = 46

Step-by-step explanation:

Given 2 secants from an external point to the circle, then

The product of the external part and the whole of one secant is equal to the product of the external part and the whole of the other secant, that is

2(2 + x) = 6(6 + 10)

2(2 + x) = 6 × 16 = 96 ( divide both sides by 2 )

2 + x = 48 ( subtract 2 from both sides )

x = 46

You might be interested in
What is the equation of a line that has a slope of 2 and passes through the point (-6, 3)?
musickatia [10]

Answer:

y=2x+15

Step-by-step explanation:

Idk if you still need help but this is the answer.

Explanation:

You want to find the equation for a line that passes through the point (-6,3) and has a slope of 2.

First of all, remember what the equation of a line is:

y = mx+b

Where:

m is the slope, and

b is the y-intercept

To start, you know what m is; it's just the slope, which you said was 2. So you can right away fill in the equation for a line somewhat to read:

y=2x+b.

Now, what about b, the y-intercept?

To find b, think about what your (x,y) point means:

(-6,3). When x of the line is -6, y of the line must be 3.

Because you said the line passes through this point, right?

Now, look at our line's equation so far: . b is what we want, the 2 is already set and x and y are just two "free variables" sitting there. We can plug anything we want in for x and y here, but we want the equation for the line that specfically passes through the the point (-6,3).

So, why not plug in for x the number -6 and for y the number 3? This will allow us to solve for b for the particular line that passes through the point you gave!.

(-6,3). y=mx+b or 3=2 × -6+b, or solving for b: b=3-(2)(-6). b=15.

The equation of the line that passes through the point (-6,3) with a slope of 2

is y=2x+15

6 0
3 years ago
Evaluate the function requested. Write your answer as a fraction in lowest terms.<br> Find tan A.
jasenka [17]

For the given triangle, the tan of angle A equals C. \frac{5}{12}.

Step-by-step explanation:

Step 1; In the given triangle, the opposite side has a length of 15 units, the adjacent side has a length of 36 units while the hypotenuse of the triangle measures 39 units. To calculate the tan of angle A we divide the opposite side's length by the adjacent side's length.

cos A = \frac{oppositeside}{adjacentside}.

Step 2; The opposite side's length = 15 units,

The adjacent side's length = 36 units.

cos A = \frac{15}{36}, dividing the numerator and the denominator by 3, we get

cos A = \frac{5}{12}, which is option C.

3 0
3 years ago
8/9 -1/3 i don't know
Brilliant_brown [7]

5/9

brainliest please x

4 0
3 years ago
Read 2 more answers
3q+4+9=-14 <br> what is Q
BlackZzzverrR [31]

Hi! Your answer is q = -9

Please see an explanation for a better and clear understanding to your problem.

Any questions about my answer and explanation can be asked through comments! :)

Step-by-step explanation:

Since we want to solve for q-term. That means we are going to isolate q-term.

\huge{3q+4+9=-14}

We can add 4 and 9 together.

\huge{3q+13=-14}

Because we want to know the value of q. That means we have to isolate q-term by subtracting both sides by 13.

\huge{3q+13-13=-14-13}\\\huge{3q=-27}

We are reaching to the final step where we divide the whole equation by 3.

\huge{\frac{3q}{3}=-\frac{27}{3}}\\\huge{q=-9}

Finally, the solution for this equation is q = -9. But what if you are not certain or sure about the answer? Let's check it out!

To check the answer, simply substitute q = -9 in the equation.

\huge{3q+4+9=-14}\\\huge{3(-9)+13=-14}\\\huge{-27+13=-14}\\\huge{-14=-14}

Notice that the equation is true for q = -9. Hence, we can conclude that the solution for this equation is q = -9.

Hope this helps!

5 0
3 years ago
RATING BRAINLIST!!! 30 POINTS!!!! TWO QUESTIONS!
Likurg_2 [28]
A
h(x)=6x^2+1 

B

f(t)=-16t^2+48t
Before it hit the ground eqn would be
-16t^2+48t=0
16t^2=48t
t=3
3 seconds in the air before it hit the ground
7 0
4 years ago
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