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2 years ago

Help pls i promise this one isnt that hard

Mathematics

2 answers:

lidiya [134]2 years ago

4 0

Answer:

96 :)

Step-by-step explanation:

scoray [572]2 years ago

3 0

Answer:

Step-by-step explanation:

Make 240 into a decimal (2.4), then multiply it by 40 and you get 96!

I hope this helps and have a great day! :)

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Which expression is equivalent to 6r - 10 + 3r – 2?

EastWind [94]

Answer: There are no choices so unfortunately I can't give you an answer

Step -by-step explanation:

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2 years ago

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Vicky did a survey to answer the following question: What is the average fitness score of grade 8 students? The mean fitness sco

mario62 [17]

The mean is calculated by adding up all of the data points and then dividing the sum by the amount of points added.

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Thus, the answer is D. 3.2 points.

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2 years ago

Jenny has nine marbles, but her best friend Susie gives her ten more! However, the neighborhood bully, Danny, steals four marble

Dimas [21]

Answer:

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Step-by-step explanation:

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3 years ago

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spayn [35]

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Step-by-step explanation:

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4 0

2 years ago

WHO CAN solve it Please !

Mariulka [41]

Answer:

a) True

$\int\limits^\pi _ {0} \,(\sqrt{1-sin^{2}\alpha } )d\alpha =0$

Step-by-step explanation:

Step(i):-

Given that the definite integration

$\int\limits^\pi _ {0} \,(\sqrt{1-sin^{2}\alpha } )d\alpha$

we know that the trigonometric formula

sin²∝+cos²∝ = 1

cos²∝ = 1-sin²∝

step(ii):-

Now the integration

$\int\limits^\pi _ {0} \,(\sqrt{1-sin^{2}\alpha } )d\alpha = \int\limits^\pi _0 {(\sqrt{cos^{2} \alpha } } \, )d\alpha$

= $\int\limits^\pi _0 {cos\alpha } \, dx$

Now, Integrating

$= ( sin\alpha )_{0} ^{\pi }$

= sin π - sin 0

= 0-0

= 0

Final answer:-

$\int\limits^\pi _ {0} \,(\sqrt{1-sin^{2}\alpha } )d\alpha =0$

5 0

2 years ago