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Sveta_85 [38]
3 years ago
8

Determine whether the function is linear (0,1) (-2,-1) (-4,1)

Mathematics
1 answer:
Brut [27]3 years ago
6 0

Answer:

No, this is not a linear function

Step-by-step explanation:

If you graph each point, you will notice that none of the three points line up together in one line with a consitstant slope.

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Follow the steps to find the
KIM [24]

The area of the sector rounded to 4 decimal place is 78.6396 cm²

<h3 /><h3>How to find the area of a sector?</h3>

area of sector = ∅/ 360 × πr²

Therefore,

  • r  = radius
  • ∅ = 46 degrees.

Hence,

area of a sector = 46 / 360 × 3.14 × 14²

area of a sector = 46 / 360 × 3.14 × 196

area of a sector =   46 / 360 × 615.44

area of a sector =   28310.24 / 360

area of a sector = 78.6395555556

Hence,

area of a sector = 78.6396 cm²

learn more on sector here: brainly.com/question/27946869

#SPJ1

6 0
2 years ago
Sum of 2/3 + (-1/3) i cant find the answer
arsen [322]

Answer:

1/3

Step-by-step explanation:

2/3 plus -1/3 is the same as subtracting 1/3 from 2/3.

6 0
3 years ago
Read 2 more answers
A random sample of 64 second-graders in a certain school district are given a standardized mathematics skills test. The sample m
svet-max [94.6K]

Answer:

Given : The sample mean score is 51.48 .

            The standard deviation for the population of test scores is 15.

             The nationwide average score on this test is 50.

To Find :  Perform the hypothesis test and compute the P-value?

Solution:

Sample size = n = 64

Since n > 30

So, we will use z test over here

We are supposed to find The school superintendent wants to know whether the second-graders in her school district have greater math skills than the nationwide average.

Hypothesis : H_0:\mu \leq 50\\H_a:\mu>50

Formula of z test : z =\frac{x-\mu}{\frac{\sigma}{\sqrt{n}}}

x = 51.48\\\mu = 50\\\sigma = 15\\ n = 64

Substitute the values

z =\frac{51.48-50}{\frac{15}{\sqrt{64}}}

z =0.789

Find the value of P(z) from z table

p(z)=0.7823

Since we are given that we are supposed to find The school superintendent wants to know whether the second-graders in her school district have greater math skills than the nationwide average.

So, p value = 1-P(z)  = 1-0.7823=0.2177

In general , Level of significance is 0.05

So, p value is greater than alpha.

So, we accept the null hypothesis.

5 0
3 years ago
Read 2 more answers
In the year 2002, a company made $3.3 million in profit. For each consecutive year after that, their profit increased by 5%. How
Anton [14]

Answer:

The profit would be 7.7 million in 2007

Step-by-step explanation:

3 0
3 years ago
3x - y - 3z if x = -2, y = 1, and z = -2.
dimaraw [331]
3(-2) -(1) -3(-2)
= -6 -1 +6 = -1
7 0
3 years ago
Read 2 more answers
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