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2 years ago

Find the value of x x=___

Mathematics

2 answers:

blagie [28]2 years ago

5 0

X=2.8 really hoped i helped!

ss7ja [257]2 years ago

4 0

Answer :

x = 2.8

Hope this helps!

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Help me please. How to prove this ?

podryga [215]

Answer:

First, you want to divide the numerator and denominator by the cosine(x), and afterwards, it looks like this...

$\frac{tan~x+1}{tan~x-1}$

Include 45 as one of the parameters and correlate with tan.

$\frac{tan~x+tan~45}{tan~x-tan~45}$

Next, you want to multiply the numerator and denominator by the conjugate of the denominator, in this case, tan x + tan 45.

Lastly, simplify, and you have the answer as tan(45 + x)

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2 years ago

The population of the Maldives was 390 000 at the start of 2009. The population

My name is Ann [436]

Step-by-step explanation:

start with 390 000x 5.6 x 6

6 0

2 years ago

If y = -x² + 14x + 7 , then x = 10 is a counterexample for which conjecture?

Misha Larkins [42]

Answer:

The correct answer is B

Step-by-step explanation:

If we plug in x=10 to the equation, we get y=47

Since y is positive, A is not an counterexample

Since y is a function of x, C is not an counterexample

Since the graph of y is a parabola, D is not an counterexample

Hope this helped and mark as brainliest!

6 0

3 years ago

What is the distance to the earth’s horizon from point P? Express your answer as a decimal

rewona [7]

Answer:

The distance to the earth's horizon from point P is 216.2198187 mi, appriximately 216.22 mi

Step-by-step explanation:

This is a right triangle:

Hypotenuse: c=3959 mi + 5.9 mi → c=3964.9 mi

Leg 1: a=x=?

Leg 2: b=3959 mi

Using the Pytagorean theorem:

a^2+b^2=c^2

Replacing the known values:

(x)^2+(3959 mi)^2=(3964.9 mi)^2

Solving for x: Squaring:

x^2+15,673,681 mi^2=15,720,432.01 mi^2

Subtracting 15,673,681 mi^2 both sides of the equation:

x^2+15,673,681 mi^2-15,673,681 mi^2=15,720,432.01 mi^2-15,673,681 mi^2

x^2=46,751.01 mi^2

Square root both sides of the equation:

sqrt(x^2)=sqrt(46,751.01 mi^2)

x=216.2198187 mi

x=216.22 mi

3 0

3 years ago

Round 299 to the nearest hundred. Enter your answer in the box below.

Troyanec [42]

Answer:

300

Step-by-step explanation:

hundreds tens ones

2 9 9

We look at the tens

It is 5 or higher so we round up the hundreds place

2 becomes 3

300

7 0

2 years ago

Read 2 more answers