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3 years ago

Evaluate g(x) = 1.873 -0.0034x +0.5 for x = 1 and x = 2.

Mathematics

1 answer:

AlexFokin [52]3 years ago

6 0

Answer:

g(1) = 1.8696

g(2) = 1.8662

Step-by-step explanation:

Simply plug in the x values into the equation in a calc and you should get your answer.

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On the graph of f(x)=cos x and the interval [0,2π), for what value of x does f(x) achieve a minimum?

Mariulka [41]

Answer:

$cos(\pi)=-1$

Step-by-step explanation:

$f(x)=cos (x)$

State that the values where cos x is minimum:

$x=\pi +2\pi n, n\in \mathbb{Z}$

$cos(0)=1\\$

$cos\left(\frac{\pi}{4} \right)=\frac{\sqrt{2} }{2}$

$cos\left(\frac{\pi}{2} \right)=0$

$cos(\pi)=-1$

$cos\left(\frac{3\pi}{2} \right)=0$

7 0

3 years ago

Sketch the graph of the given equation. y = x2 + 8x +15

Tamiku [17]

The pictures may be in a different order for you but it’s the 3rd graph where the minimum is (-4,-1)

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2 years ago

How many diffrent ways can a rectangle be named

11111nata11111 [884]

Answer:

Some other names that we use for rectangles are parallelograms, quadrilaterals, and polygons.

So, 3 different names.

Hope this helps!

7 0

2 years ago

Tins eats 8 crackers for a snack each day at school.on Friday,she drops 3 and only eats 5. multy

Pie

Answer:

If she only ate 5 she'll need to get 3 more to keep up her streak of eating 8 cracker.

Step-by-step explanation:

8-3=5 is an equation you'd use.

6 0

3 years ago

Read 2 more answers

Question

AlekseyPX

Answer:

The population mean is 5 volts

Step-by-step explanation:

Output voltage is assumed to be normally distributed, with standard deviation 0.25 Volts

s=0.25

n = 8

$H_0:\mu = 5\\H_a:\mu \neq 5$

Sample mean = $\bar{x}=4.85$

Since n < 30 and population standard deviation is unknown

So, we will use t test

Formula : $t = \frac{x-\mu}{\frac{s}{\sqrt{n}}}$

$t = \frac{4.85-5}{\frac{0.25}{\sqrt{8}}}$

t=-1.69

Refer the t table for p value

Degree of freedom = n-1 = 8-1 = 7

So, $t_{(df,\alpha)}=t_{7,0.05}=2.365$

P value >α

So, We are failed to reject null hypothesis

Hence The population mean is 5 volts

7 0

3 years ago