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3 years ago

Here's a math question for y'all ;). Please help! How to know if a function is linear without graphing?

Mathematics

1 answer:

valkas [14]3 years ago

4 0

Answer:

1. the equation will say it. If there is an equation and it follows the format, y=mx+b, that is a linear function.

2. On a graph, if it goes in a straight line, it is a linear function

3. in a table, if x and y are proportional, then it is a linear function

EXAMPLE: x=1 and so y= 4

x=2 and so y= 8

The x is going up by one and y is going up by 4. That is proportional.

Hope this helps!

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There are 12 students in a classroom, including the triplets Joey, Chloe, and Zoe. If 3 of the 12 are randomly selected to give

lesya692 [45]

we know that

The probability of an event is the ratio of the size of the event space to the size of the sample space.

The size of the sample space is the total number of possible outcomes

The event space is the number of outcomes in the event you are interested in.

P=size of the event space/size of the sample space

step 1

find the probability that Joey will be first

size of the sample size=12

size of the event space=1

P=1/12

step 2

find the probability that Chloe will be second

size of the sample size=12-1=11

size of the event space=1

P=1/11

step 3

find the probability that Zoe will be third

size of the sample size=11-1=10

size of the event space=1

P=1/10

step 4

Find the probability that Joey will be first, Chloe will be second, and Zoe will be third

P=(1/12)*(1/11)*(1/10)-----> P=1/1320-----> 0.00075------> 0.076%

the answer is

the probability that Joey will be first, Chloe will be second, and Zoe will be third is 0.00075 (0.076%)

4 0

4 years ago

I’ll mark brainlest! pls help :(

Ilia_Sergeevich [38]

Answer:

square root: $\sqrt{61}$

decimal: 7.81

Step-by-step explanation:

8 0

4 years ago

Rectangle A, B, C, D is graphed in the coordinate plane. The following are the vertices of the rectangle: A(-1, -6),A(−1,−6),A,

solong [7]

Answer:

13 units

Step-by-step explanation:

Points A(-1, -6) and B(-1, 7) both lie on the vertical line x=-1. That means the distance between them is the difference of their y-coordinates:

By -Ay = 7 -(-6) = 13

Segment AB is 13 units long.

7 0

2 years ago

Can someone help me find X of this triangle? thanks :)

tino4ka555 [31]

Since it is an equilateral triangle, all of the sides are the same length.

So, x=14 :)

Hope this helps!

7 0

3 years ago

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Could someone please help me out with this?

natka813 [3]

5•3=25 :) hope this helps!

7 0

3 years ago

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