3 years ago

PLEASE HELP MEEEEE THAnK YOU

Mathematics

1 answer:

laila [671]3 years ago

3 0

-6,2

That is da answer :)

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Testing: H 0 : μ ≥ 15.6 H 1 : μ < 15.6 Your sample consists of 46 values, with a sample mean of 13.4. Suppose the population

guajiro [1.7K]

Answer:

The value of the test statistic is z = 3.34.

Step-by-step explanation:

The information provided is:

$\bar x=13.4\\\sigma = 4.47\\n=46$

The test statistic is:

$Z=\frac{\mu-\bar x}{\sigma/\sqrt{n}}$

$=\frac{15.6-13.4}{4.47/\sqrt{46}}\\\\=3.33806\\\\\approx 3.34$

Thus, the value of the test statistic is z = 3.34.

5 0

3 years ago

Ann read 105 pages in 3 hours. How many hours will it take her to read a 280 page chapter book?

icang [17]

it would take them 5 hours and 70 seconds

6 0

3 years ago

Please help me ASAP

stellarik [79]

Answer:

The Graph is shown below

Step-by-step explanation:

The Graph of a Function

Given the function:

$\displaystyle y=g(x)=-\frac{3}{2}(x-2)^2$

It's required to plot the graph of g(x). Let's give x some values:

x={-2,0,2,4,6}

And calculate the values of y:

$\displaystyle y=g(-2)=-\frac{3}{2}(-2-2)^2=-\frac{3}{2}(-4)^2==-\frac{3}{2}*16=-24$

Point (-2,-24)

$\displaystyle y=g(0)=-\frac{3}{2}(0-2)^2=-\frac{3}{2}(-2)^2=-\frac{3}{2}*4=-6$

Point (0,-6)

$\displaystyle y=g(2)=-\frac{3}{2}(2-2)^2=-\frac{3}{2}(0)^2=0$

Point (2,0)

$\displaystyle y=g(4)=-\frac{3}{2}(4-2)^2=-\frac{3}{2}(2)^2=-\frac{3}{2}*4=-6$

Point (4,-6)

$\displaystyle y=g(6)=-\frac{3}{2}(6-2)^2=-\frac{3}{2}(4)^2=-\frac{3}{2}*16=-24$

Point (6,-24)

The graph is shown in the image below

8 0

3 years ago

Use 3.14 for r. Round your answers to

galben [10]

Answer:

I think its A........ I don't really know.

Step-by-step explanation:

5 x 2 = 10

3.14 x 10 = 31.4

3 0

3 years ago

pete is a furniture refinisher. to paint a chest of drawers, he needs 1/2 gallon of paint. he has 1 quart. how many more quarts

bezimeni [28]

Pete needs one more quart of paint, leaving two quarts in total.

7 0

3 years ago