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My name is Ann [436]
3 years ago
5

Need help someome help me plz

Mathematics
2 answers:
Snowcat [4.5K]3 years ago
4 0
Mapping diagram can help with relationship
elena55 [62]3 years ago
3 0
A mapping diagram shows relationships
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Please help me solve this
RSB [31]

Step-by-step explanation:

a) f(1) = -1 → x = -1

b) g(1) = Undefined

c) f(x) = 1 → x= Undefined

d) g(x) = 1 → x= 5

8 0
2 years ago
If the perimeter of an equilateral triangle is 30cm, find its area. ​
lora16 [44]

Answer:

A ≈ 43.3 cm²

Step-by-step explanation:

the area (A) of an equilateral triangle is calculated as

A = \frac{s^2\sqrt{3} }{4} ( s is a side of the triangle )

given perimeter = 30 cm , then

s = 30 cm ÷ 3 = 10 cm

then

A = \frac{10^2\sqrt{3} }{4} = \frac{100\sqrt{3} }{4} = 25\sqrt{3} ≈ 43.3 cm² ( to the nearest tenth )

7 0
2 years ago
If x-12√x + 36 = 0 what is the value of x A. 6 B. 6^2 C. 6^3 D. 6^4
Snowcat [4.5K]
Let
\sqrt{x}  = a
then you will have a^2-12a+36=0 and then you can just factor to find a
8 0
3 years ago
How are central tendency and standard deviation related
loris [4]

Answer:

Measure of central tendency is a value that represents a typical, or central, entry of a data set. The most common measures of central tendency are: • Mean (Average): The sum of all the data entries divided by the number of entries. ... The standard deviation measure variability and consistency of the sample or population.

Step-by-step explanation:

5 0
3 years ago
Graph this line using the slope and y-intercept: y = 1/8x + 4<br> (1/8 is a fraction)
Tems11 [23]

Answer:

Two points, (0,4) & (8,5)

Step-by-step explanation:

In this equation, we can easily find the first point by looking at the +4 in this equation. This should automatically signal to you that the point is (0,4)

Now, we have to look at the 1/8x in the equation.

This 1/8 means that the slope is 1/8!

Now we use the slope and to rise/run to find our next point

We go up 1 from 4 (this is the rise) to get to 5 on the y-axis

Next, we go over 8 horizontally to get to 8 for your x-axis point.

So therefore, our next point is, (8,5)

You can use this rise/run system infinitely and is very useful

5 0
2 years ago
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