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Stels [109]
3 years ago
7

Really need some help on this please!

Mathematics
2 answers:
NeX [460]3 years ago
7 0
Amplitude is absolute value of (-4) = 4.
VLD [36.1K]3 years ago
7 0
Y = -4cos2x
y =-4(0.9995065604x)
y = -3.998026241x
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Decide if the following biconditional statement is true or false:
ozzi

Answer:

False

Step-by-step explanation:

I know what I talking about and I'm right

4 0
2 years ago
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In order for you to use the goodnees-of-fit test, the test of independence, or the test of homogeneity, the expected frequencies
nataly862011 [7]

The condition for the expected value in the goodness of fit test is that the expected frequency is at least 5.

According to the statement

we have to find the condition of the expected values in the case of testing of goodness-of-fit test.

So, For this purpose we know that the

The goodness of fit test is of a statistical model describes how well it fits a set of observations. Measures of goodness of fit typically summarize the discrepancy between observed values and the values expected.

So, The main condition of the expected value for the goodness of fit test is

For each​ category, the expected frequency is at least 5.

Without this condition the test is not possible, so overall this the main condition related the goodness of fit test.

So, The condition for the expected value in the goodness of fit test is that the expected frequency is at least 5.

Learn more about goodness of fit test here

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6 0
1 year ago
What is (-3, 4) translated by (x,y) → (x – 6, y – 5).
AlekseyPX

Answer:

(-9,-1)

Step-by-step explanation:

You plug in the x and y values and solve the algebraic expression.

8 0
3 years ago
Polygons ! ( picture included)
mariarad [96]

Answer:

B

Step-by-step explanation:

2x+x=180

3x=180

x=60

2x=120

so B

hope that helps if it does please mark mine as brainliest.

8 0
3 years ago
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if your car gets 28 miles per gallon, how much does it cost to drive 310 miles when gasoline cost $3.50 per gallon?
Butoxors [25]
Hi,


Work:

28miles = 1gallon

To find the cost of gallons spend for 310 miles you need to first find the amount of gallons consumed on 310 miles path.

310 \div 28 = 11.07gallons

If each costs 3.5$ you need to multiply gallons with money.

3.5 \times 11.07 = 38.745

You would spend 38.745$ to drive 310 miles.

Hope this helps.
r3t40
3 0
3 years ago
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