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3 years ago

Help.... Other question got deleted.

Mathematics

1 answer:

Helen [10]3 years ago

7 0

-2/25 is the slope
x1=4
hope this helps!

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Si un conjunto de datos se expresa en metros(m), ¿en qué unidad de medida se expresará la varianza?

Ivenika [448]

Answer:

Umm... I don't know.... Sorry.....

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3 years ago

. Solve for the variable. Show/explain how you got your answer. 2(n+5)=−2

KIM [24]

Answer:

2n+10=-2

2n=-2-10

2n= -12

N= -12/2

n=-6

Step-by-step explanation:

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2 years ago

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Find the probability distribution for the following function: P(x) = x/10 for x = 3, 5, and 7

Gemiola [76]

Answer:

3/10. 1/2 and 7/10

Step-by-step explanation:

For P(x) = x/10

When x = 3;

Then;

P(3) = 3/10

When x = 5

Then;

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When, x = 7

Then;

P(7) = 7/10

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3 years ago

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Evaluate each logarithm. 100 Points for all questions.

seraphim [82]

Basic properties that will be used:

$\log_ab^n=n\log_ab$

$x^{1/n}=\sqrt[n]x$

$\log_aa=1$

All of these expression can be written to match on or more of the patterns above.

$19.\quad\log_5\sqrt[4]{25}=\log_5(5^2)^{1/4}=\dfrac14\log_55^2=\dfrac12\log_55=\dfrac12$

$21.\quad9\ln e^3+4\ln e^5=27\ln e+20\ln e=27+20=47$

$23.\quad2\log_3\sqrt{27}=2\log_3(3^3)^{1/2}=\log_33^3=3\log_33=3$

$25.\quad4\log_2\sqrt8=4\log_2(2^3)^{1/2}=2\log_22^3=6\log_22=6$

$27.\quad\log_3\sqrt[6]{243}=\log_3(3^5)^{1/6}=\dfrac16\log_33^5=\dfrac56\log_33=\dfrac56$

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3 years ago

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Graph x2 + 9y2 = 25. What are the domain and range? Someone please help me ! (Picture below)

pishuonlain [190]

X^2 + 9y^2 = 25
x^2/5^2 + (3y)^2/5^2 = 1

This represent an equation of an ellipse with cente at the origin, the horizontal major axis running from -5 to 5 and vertical minor axis running from -5/3 to 5/3

The third graph is the correct answer.

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3 years ago