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Lina20 [59]
2 years ago
5

What numbers do you multiply to find 900 this partical product

Mathematics
1 answer:
Bad White [126]2 years ago
7 0

You mean square root of 900?

I gotcha covered

30

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Find the x-intercepts of the parabola with vertex (1,1) and y-intercept (0,-3). Write your answer in this form (x of 1 , y of 1)
Vikki [24]
Remember that the vertex form of a parabola or quadratic equation is:

y=a(x-h)^2+k, where (h,k) is the "vertex" which is the maximum or minimum point of the parabola  (and a is half the acceleration of the of the function, but that is maybe too much :P)

In this case we are given that the vertex is (1,1) so we have:

y=a(x-1)^2+1, and then we are told that there is a point (0,-3) so we can say:

-3=a(0-1)^2+1

-3=a+1

-4=a so our complete equation in vertex form is:

y=-4(x-1)^2+1

Now you wish to know where the x-intercepts are.  x-intercepts are when the graph touches the x-axis, ie, when y=0 so

0=-4(x-1)^2+1  add 4(x-1)^2 to both sides

4(x-1)^2=1  divide both sides by 4

(x-1)^2=1/4  take the square root of both sides

x-1=±√(1/4)  which is equal to

x-1=±1/2  add 1 to both sides

x=1±1/2

So x=0.5 and 1.5, thus the x-intercept points are:

(0.5, 0) and (1.5, 0)  or if you like fractions:

(1/2, 0) and (3/2, 0) :P
4 0
3 years ago
What is the mean of the following set of numbers? 32, 31, 37, 44 a. 13 b. 34 c. 36
ELEN [110]
Mean is average

so we have 4 numbers
sum them then divide by 4

(32+31+37+44)=144
divide by 4
144/4=36

answer is C
6 0
3 years ago
Can someone please help me this is due in 10 mins
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7 0
3 years ago
A receptionist named Eve spends 5minutes routing each incoming phone call. In all,how many phone calls does Eve have to route to
Sati [7]

7, because 35 divided by 5=7

5 0
3 years ago
Read 2 more answers
I am confused about how to explain this: Explain the difference in meaning between |-3| and -3.
Ivahew [28]

Answer:

Step-by-step explanation:

|-3| means the absolute value of -3. The absolute value sign means the number without its negative. The dictionary says: the magnitude of a real number without regard to its sign.

So |-3|= 3 and -3= -3

7 0
3 years ago
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