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ra1l [238]
4 years ago
14

What is the value of x when f(x)=8? A. 1 B. 3 C. 0 D. 2

Mathematics
2 answers:
Natasha_Volkova [10]4 years ago
8 0

Answer: 1

Step-by-step explanation:

lesantik [10]4 years ago
4 0
It’s A. Because x will always = (1) unless said other wise so for example
What times what equals 2 1x2=2
Well take away the one day the question is
X times what equals two and you just remember that x always = 1 so 1 times 2 = 2

I hope that helps you understand! Let me know if you have any questions!
You might be interested in
Solve 5/8+3/4 -2/3-5/6​
Kobotan [32]
The answer to that is -1/8
8 0
3 years ago
NEED GEO HELP URGENT?
m_a_m_a [10]

Secant and tangent theorem: Square of measure of tangent is equal to the product of length of whole secant and length of exterior secant segment, i.e.

\text{ tangent }^2=\text{whole secant}\cdot \text{exterior secant}.

The whole secant wuth exterior secant 4 cm is 4+x cm. Tangent is 7 cm. Using previous theorem, you can get that

7^2=(4+x)\cdot 4.

Solve this equation:

49=16+4x,\\ 4x=49-16,\\ 4x=33,\\ x=8.25\approx 8.3 cm.

Answer: x=8.3 cm.

4 0
3 years ago
Assume that x equals x (t )and y equals y (t ). Let y equals x cubed plus 4 and StartFraction dx Over dt EndFraction ​=2 when xe
nika2105 [10]

Answer:dy/dt(x=3)=54

Step-by-step explanation:

We know that we can write:

\frac{dy}{dt}=\frac{dy}{dx} *\frac{dx}{dt}

and so evaluate it as a product of functions, that is for a given value of x or t, we get that  

\frac{dy}{dt}(s)=\frac{dy}{dx} (s) * \frac{dx}{dt}(s).

Now we are told that:

1. x=x(t),\ 2.y=x^3+4,\ \frac{dx}{dt} =2,\ for \ x=3,

whenever it happens, this means the influence of t is hidden, and we only consider the result, that is, how much is x when the derivative has the value of 2, we are not concerned for what value of t it happens, since we get all the necessary information beforehand.

Now we need to calculate

\frac{dy}{dx}=3x^2 \rightarrow \frac{dy}{dx}(3)=3(3)^2=27.

Therefore

\frac{dy}{dt}(x=3)=\frac{dy}{dx} (x=3) * \frac{dx}{dt}(x=3) or

\frac{dy}{dt}(x=3)=27 *2 = 54.

7 0
4 years ago
You need to find the area of the shaded region
hammer [34]

Answer:

8.695=area of shaded region

Step-by-step explanation:

pi x 16=50.265

this is the whole circle

the radius is also the side of the hexagon

the picture is formula for area of hexagon

if you replace a by the side which is 4

the answer is 41.57

50.265-41.57=8.695

3 0
3 years ago
Which of the following options have the same value as 70% of 80<br><br>Choose 3.
svlad2 [7]

Answer:

56 is the answer so it's A, C and E.

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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