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Virty [35]
3 years ago
10

9 is what percent of 84?

Mathematics
2 answers:
Sever21 [200]3 years ago
8 0
10.71% is 9% of 84.
So 10.71% is the answer.


Alex3 years ago
7 0
\frac{Current-value-of-x}{Original-value-x} * 100% = percentage of a value of x
(9/84)*100% = 10.714286%
 Which is about approximately, 10.71%
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Find the quadratic function that fits curve below. Select the correct answer.
raketka [301]
<h2>Hello!</h2>

The answer is:

The quadratic function that fits the given picture is:

y=-3x^{2}+13x-5

<h2>Why?</h2>

We can solve the problem and find the correct function that fits the curve below by finding which function intercepts the y-axis at -5 (we can see it from the picture), also, we need to look for a function that represents a parabola opening upwards. We need to remember that when a parabola is opening upwards, its quadratic term coefficient is negative.

So, we can see that from the given functions, the only function that represents a parabola opening upwards and its y-intercept is located at y equal to -5 is the second option:

y=-3x^{2}+13x-5

We have that :

a=-3(negative)\\b=13\\c=-5(y-intercept)

We can see that the quadratic term (a) is negative, and the quadratic function intercepts the y-axis at y equal to -5.

Hence, the answer is:

The quadratic function that fits the given picture is:

y=-3x^{2}+13x-5

Have a nice day!

Note: I have attached a picture for better understanding.

4 0
3 years ago
What’s the correct answer for this question?
aksik [14]

Answer:

C:

Step-by-step explanation:

Density = Mass/ Volume

2 = 8 / V

V = 8/2

V = 4 cubic cm

3 0
3 years ago
Read 2 more answers
A room is 12 m long and 8 m wide and 10 m high, find the area of the room​.
Vikki [24]

Answer:

96 square meters

6 0
3 years ago
Identifying roots - Pre calculus stuff
umka2103 [35]

The answers are 0 and 2

This can be found by looking at the x axis and finding every point where the line crosses

4 0
3 years ago
Question 2
fomenos

Answer:

D. (-2,-5), (0, -7), (1, -4)

Step-by-step explanation:

From Function Theory we must remember that range of a function is the set of images related to elements of the domain. In this case, we must find the image of each of the three elements that forms the domain of f(x, y) = (y+2, -x-4), which are: A(x,y) = (1, -4), B(x,y) = (3,-2) and C(x,y) = (0,-1).

Then we proceed to find all elements of range:

A(x,y) = (1, -4)

f(1,-4) = (-4+2,-1-4)

f(1,-4) = (-2,-5)

B(x,y) = (3,-2)

f(3,-2) = (-2+2,-3-4)

f(3,-2) = (0,-7)

C(x,y) = (0,-1)

f(0,-1) = (-1+2,0-4)

f(0,-1) = (1,-4)

Which corresponds to option D.

3 0
3 years ago
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