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ddd [48]
3 years ago
15

PLEASE HELP!!

Mathematics
2 answers:
PilotLPTM [1.2K]3 years ago
4 0

Answer:

4%

Step-by-step explanation:

52 cards in the deck divided by 13 cards less than 13 on them gives you 4%

(I MAY BE WRONG)

Marrrta [24]3 years ago
3 0

Answer:

I you will draw a number less than thirteen one fourth of the time. so 25%

Step-by-step explanation:

52 divided by 13 is four.

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The table shows the height increases in inches, of some of the girls in Gina’s class from last month to this month. What girl ha
shusha [124]

The correct answer is Maxine

Explanation:

One of the easiest ways for knowing if a fraction is greater than another is by converting fractions to decimal numbers. This implies dividing the numerator (top number) by the denominator (bottom number). In the case of fraction, \frac{1}{2} the decimal number is 0.5 considering 1 divided into 2 is equal to 0.5. Now to know if other fractions are greater or smaller, this process needs to be repeated.

Gina: \frac{3}{8} = 0.375  

Maxine: \frac{2}{3} = 0.666

Shari: \frac{2}{4} = 0.5

Vanessa: \frac{3}{12} = 0.25

According to this, the girl with a heigh increased greater than 1/2 inch is Maxine because 0.666 (Maxine heigh increase) is greater than 0.5 (1/2 inch).

7 0
4 years ago
What is the domain and range for y=sqrt(x-4)?
Lesechka [4]

Domain: set of all numbers that can be inputted into a function

Since you cannot take the square root of a negative number, this means that x-4 CANNOT be negative. So it's either 0 or it's positive.
So.. <span>x−4≥0
</span>x−4+4≥0+<span>4
</span>x≥<span>4

</span>So this says: "Any number greater than or equal to 4 will result in x-4 being either 0 or some positive number"
So this means that the domain is

<span>{x|x≥4}

</span>This basically says: "the domain is the set of all numbers x such that x is greater than or equal to 4"

In interval notation, the domain is <span>[4,∞)


</span>The range is the set of all possible outputs. We can find the most extreme point of the range by plugging in the most extreme value for the domain <span>
sqrt(x-4) = </span>sqrt(4-4) = <span>sqrt(0) = 0

</span>So the smallest possible output is y=0, which means that the range is
<span>{y|y≥0<span>}
</span></span>
This basically says: "the range is the set of all numbers y such that y is greater than or equal to 0"

In interval notation, the range is

<span>[0,∞)</span>

6 0
4 years ago
What is the difference between the number of vertices of
Dafna11 [192]
I didn’t understand so I looked it up One
Step-by-step explanation:
An octahedron has 6 vertices (or "corners").
A square pyramid has 5 vertices.
The difference is 1.
3 0
3 years ago
Read 2 more answers
An equilateral triangle with side length 1 cm is shown in the diagram, work out the area of the triangle.
tatyana61 [14]

Answer:

1/2 cm

Step-by-step explanation:

3 0
3 years ago
Give an example of an even function and explain algebraically why it is even.
sveta [45]
There's lots of even functions, but two that come to mind are the absolute value function, IxI, and x^2. These are even because they are reflected over the y axis. Another way to find this is that (-x)^2 is equal to x^2 and so is I-xI, the algebraic method. Good luck!
8 0
3 years ago
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