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Artist 52 [7]
2 years ago
9

I will mark you brainliest!!! Identify the type of function.

Mathematics
2 answers:
Ymorist [56]2 years ago
8 0

Answer:

quadratic

Step-by-step explanation:

icang [17]2 years ago
5 0
Uh I’m pretty sure it’s c, I did it plans got it correct
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which function is the inverse of f(x)=2x+3
LekaFEV [45]

Answer:

jssisvshdvdbd sjjsjdgdjd

Step-by-step explanation:

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4 0
3 years ago
Please help me answer this question!!!
-Dominant- [34]

Answer:

19

Step-by-step explanation:

The triangle is an isosceles and so angle SRT and angle STR are equal

also:

Angle SRT and angle STU are supplementary so their sum is equal to 180

7x + 2x + 9 = 180 add like terms

9x + 9 = 180 subtract 9 from both sides

9x = 171 divide both sides by 9

x = 19

3 0
2 years ago
Help plz ? Enter the slope of the line
Dmitrij [34]
(-2,4), (2,5)

Slope equation : (y₂-y₁) / (x₂-x₁)

Plug in the values.

m = slope

m = (5-4) / (2 + 2)

Simplify.

m = 1/4

So, your slope is 1/4

~Hope I helped!~
4 0
3 years ago
Given a sphere with a diameter of 8 cm, find its volume to the nearest whole number
arsen [322]

Answer:

268 cm

Step-by-step explanation:

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4 0
3 years ago
In a study of cell phone usage and brain hemispheric​ dominance, an Internet survey was​ e-mailed to 6977subjects randomly selec
kirza4 [7]

Answer:

Given :An Internet survey was​ e-mailed to 6977 subjects randomly selected from an online group involved with ears. There were 1337 surveys returned.

To Find : Use a 0.01 significance level to test the claim that the return rate is less than​ 20%.

Solution:

n = 6977

x = 1337

We will use one sample proportion test

\widehat{p}=\frac{x}{n}

\widehat{p}=\frac{1334}{6977}

\widehat{p}=0.1911

We are given that the claim is the return rate is less than​ 20%.

H_0:p=0.2\\H_a:p

Formula of test statistic = \frac{\widehat{p}-p}{\sqrt{\frac{p(1-p)}{n}}}

                                       = \frac{0.1911-0.2}{\sqrt{\frac{0.2(1-0.2)}{6977}}}

                                       = −1.858

Refer the z table

P(z<-1.85)=0.0332

Significance level = 0.01=α

Since p value > α

So, we accept the null hypothesis .

So,the claim that the return rate is less than​ 20% is false.

7 0
2 years ago
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