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leva [86]
3 years ago
9

HELP PLEASE!! Math question— Please explain,,,

Mathematics
1 answer:
kozerog [31]3 years ago
6 0

Mean: 8.61

Sample Standard Deviation: 0.55

I hope this is correct

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You put $500 into an account and left it alone for three years earning simple interest. At the end of three years, you withdrew
OLga [1]

Answer:

that would mean 15$ a year

1.25$ a month

Step-by-step explanation:

hope it helped

5 0
3 years ago
Which of the following functions best represents the graph?
marshall27 [118]

Answer:

f(x)=x^3+x^2-4x-4

Step-by-step explanation:

From the graph, the x-intercepts are;

x=-2

x=-1

x=2

These are root of the polynomial function represented by the given graph.

By the remainder theorem;

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

According to the factor theorem, if (x-a) is a factor of f(x), then f(a)=0

This implies that;

(x+2),(x+1),(x-2) are factors of the required function.

Hence; f(x)=(x+1)(x-2)(x+2)

We expand using difference of two squares to obtain;

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

We expand using the distributive property to get;

f(x)=x^3-4x+x^2-4

Rewrite in standard form to obtain;

f(x)=x^3+x^2-4x-4

6 0
3 years ago
Read 2 more answers
How many triangles can be drawn with one 90° angle ,a 70° angle, and an included side measuring 3 inches?explain
gogolik [260]

Answer:

1

Step-by-step explanation:

once we know 2 of the angles we can find a third. once we have all 3 angles we only need one side length to tell us how big it is.

Bonus question: How many triangles can be drawn with one 3 inch side ,a 4 inch side, and a  20ºangle?

7 0
3 years ago
A mountain's peak is 1,224 feet above sea level while the valley is 339 feet below sea level. What is the elevation drop between
Archy [21]
1224+339=1563

Answer is 1,563 feet. Hope this helps.
6 0
3 years ago
Read 2 more answers
If 1/3 of a set of numbers is 8 how many numbers are in the total set ?
Eduardwww [97]

Answer:

24

Step-by-step explanation:

1/3 = 8

3/3 = 8*3

7 0
3 years ago
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