4 years ago

Suppose that from a group of 30 athletes, 17 compete in a 100-meter race, 8 compete in a

Mathematics

1 answer:

erica [24]4 years ago

5 0

Answer:

the answer is 9

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dem82 [27]

Assuming the question is in the wrong format and"date" is data.
I chose X= 10,11,16,9,7,15,16,10 and Y= <span>96,51,62,58,89,81,46,51
the correlation cooefficent is -0.3351

</span>

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3 years ago

Classify the number 1/2 into as many categories as it belongs: Natural number, whole number, integer, or rational number.

Pachacha [2.7K]

Answer:

1/2 is a rational number.

Step-by-step explanation:

A rational number can be expressed as a ratio of two numbers. 1/2 is a ratio.

It is also a real number, however you do not list that as a category, so from what you listed, it is only a rational number.

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3 years ago

The ratio of the lengths of and is 2 : 1.

borishaifa [10]

The answer is 2 hopefully this helped

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3 years ago

Jami can mow acre 1/6 in 8 minutes If her rate is constant, can Jami mow 1 1/2 acres in one hour? Explain your reasoning

LenaWriter [7]

Time taken by Jami to mow 1/6 acres is 8 minutes=8/60=2/15 hours.
Rate at which Jami is mowing will be:
rate=(number of acres)/(time)=(1/6)/(2/15)
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From above calculations we conclude that Jami cannot mow 1.5 acres in 1 hour

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3 years ago

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krok68 [10]

$~~~~~~~\cos^2 \left(34^{\circ}\right) - \sin^2 \left( 34^{\circ} \right)=\cos A\\\\\implies \cos \left( 2 \cdot 34^{\circ} \right) = \cos A~~~~~~~~~~~~~;[\cos 2x = \cos^2 x -\sin^2 x]\\\\\implies \cos \left(68^{\circ}\right) = \cos A\\\\\implies A = 68^{\circ}$

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2 years ago