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3 years ago

What is the explicit rule for the sequence? 10.5, 9, 7.5, 6, 4.5, 3, ...

Mathematics

2 answers:

zubka84 [21]3 years ago

7 0

Answer:

The answer to this is: (pic)

Hope this helps someone X D

BartSMP [9]3 years ago

4 0

You can see the answer and solution from the picture

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What is 13 divied it by 2

MrMuchimi

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6.5

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2 years ago

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What is the area of the irregular figure below?

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360 centimeters squared

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3 years ago

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We have an urn with 3 green and 4 yellow balls. We choose 2 balls randomly without replacement. Let A be the event that we have

Nana76 [90]

Answer:

Step-by-step explanation:

Urn has 3 green and 4 yellow

we choose 2 balls randomly

so samples space for this selection is

$\left [ \left ( Y,G\right ),\left ( G,Y\right ),\left ( G,G\right ),\left ( Y,Y\right )\right ]$

Event A is choosing differently colored ball form sample space

P(A)=Probability of event (G,Y)+Probability of event (Y,G)

$=\frac{^3C_1\times ^4C_1}{7\times 6}+\frac{^4C_1\times ^3C_1}{7\times 6}$

$=\frac{4}{7}$

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3 years ago

What is 9% as a fraction or mixed number?

butalik [34]

Percentage is always out of 100 so

9% is 9/100.

9% cannot be a mixed number.

7 0

3 years ago

What is the area of the shaded region on the graph shown?

Sindrei [870]

Answer:

As Doris Day said: Good morning to you

Answer 27/2

Step-by-step explanation:

$f(x)=-x^3+5x\\F(x)=-\dfrac{x^4}{4} +\dfrac{5x^2}{2} \\F(2)=\dfrac{-16}{4}+\dfrac{20}{2} =6\\\\F(-1)=\dfrac{-1}{4} +\frac{5}{2} =\dfrac{9}{4} \\g(x)=\dfrac{3x^2}{2}+\dfrac{x}{2}-5\\\\G(x)=\dfrac{x^3}{2} +x^2-5x\\\\G(2)=4+1-10=-5\\\\G(-1)=\dfrac{-1}{2} +\dfrac{1}{4} +5=\dfrac{19}{4} \\\\\int\limits^2_{-1} {(f(x)-g(x))} \, dx =F(2)-G(2)-(F(-1)-G(-1))\\\\=11+\dfrac{5}{2} =\dfrac{27}{2}$

5 0

3 years ago