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BaLLatris [955]
4 years ago
15

WILL MAKE BRAINLIEST!!!

Mathematics
2 answers:
Verdich [7]4 years ago
4 0

Answer:

1 - D

2 - C

3 - B

Step-by-step explanation:

To be a function an x value must only have one corresponding y value

Savatey [412]4 years ago
4 0

Answer:

1) graph d

2) table c

3) coordinate points b

Step-by-step explanation:

1) the vertical line test is the  best way to insure whether or not a graph is a function. All the other graphs pasS the vertical line test but graph d does not, hence graph d is not a function.

2) to determine whether the table is a function or not you need to look at the "x" values. If there is a repeated number in the x  values, the table does not represent a function. Table c is the only one that represents a function.

3) coordinate points b are the only ones without a repetition of x coordinate points. Hope this helps!

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I need some help with binomial theorems. can anyone help solve this?
Svetlanka [38]
Use Pascal's Triangle

1
1 1
1 2 1
1 3 3 1
1 4 6 4 1
1 5 10 10 5 1
1 6 15 20 15 6 1
1 7 21 35 35 21 7 1
1 8 28 56 70 56 28 8 1
1 9 36 84 126 126 84 36 9 1 (this is the row you use)

So, the seventh term of (3x + 2y)^9 will be 84xy
8 0
4 years ago
Read 2 more answers
Determine the measure of each indicated angle. Show all necessary steps!
Mariana [72]

The measure of the unknown angle are; a) x = 89 degrees, b) p = 92 degrees.

<h3>What is the sum of all the angles of a regular polygon?</h3>

For a regular polygon of any number of sides, the sum of its exterior angle is 360°.

We already know that a 4-sided polygon's angles add up to 360 degrees.

So to find the value of x:

69 + 118 + 84 + x = 360

x = 360 - (69 + 118 + 84)

x = 89 degrees

b)

For a 4-sided polygon, we also know that the outside angles add up to 360 degrees.

So to find the value of p:

100 + 62 + 106 + p = 360

p = 360 - (100 + 62 + 106)

p = 92 degrees

Learn more about interior angles of a regular polygon here:

brainly.com/question/14173422

#SPJ1

7 0
2 years ago
What is the value of the geometric sequence for which a1=10 and r=0.5?
tiny-mole [99]
The formula for an infinite geometric sequence is the following:

S_{∞}= \frac{a_{1}}{1-r}

Just substitute the values of a_{1} and r into the formula.

S_{∞}=\frac{10}{1-0.5}
S_{∞}=\frac{10}{0.5}
S_{∞}= 20

Therefore, the answer is 20.
3 0
3 years ago
Covert each into algebraic equations
marshall27 [118]

Answer:

1) 2x=4x-8

2) 4(x+2)=20

3) 2x-9=4(x+5)

3 0
3 years ago
Assume a normal distribution and that the average phone call in a certain town lasted 4 min, with a standard deviation of 1 min.
olya-2409 [2.1K]

SOLUTION

The mean is 4min

standard deviation is 1min

the z score is

z=\frac{x-\bar{x}}{\sigma}

where

\begin{gathered} x=3 \\ \bar{x}=4 \\ \sigma=1 \end{gathered}

then we have

\begin{gathered} z=\frac{3-4}{1}=\frac{-1}{1}=-1 \\ z=-1 \end{gathered}

The probability the call lasted less than 3 min will be

Therefore, the probability that (z < -1 ) is

[tex]\begin{gathered} Pr(z<-1)=Pr(0Hence, the percentage of the calls that lasted less than 3 min is 16%

4 0
1 year ago
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