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3 years ago

15

The following table shows the number of heartbeats for four animals for example if it's heartbeat 225 in 3 minutes what animals

heart beats ate a rate of 65 beats per minute?

1 answer:

Rus_ich [418]3 years ago

6 0

Answer:cow

Step-by-step explanation:

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At an intersection, the red light times are normally distributed with a mean time of 3 minutes and a standard deviation of 0.25

VladimirAG [237]

Answer:

95.4%

Step-by-step explanation:

Z(low)=-2 0.022750132

Z(upper)=2 0.977249868

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3 years ago

Find the missing lengths of the sides. b = , c = 16 b = , c = b = , c = b = , c = 12

FrozenT [24]

Answer:

420

Step-by-step explanation:

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3 years ago

Read 2 more answers

Please help me....asap

Solnce55 [7]

Answer:

D. No, he chose members that were not part of the population

Step-by-step explanation:

A random sample is a sampling technique in which each sample has an equal chance of being chosen. For example, blindly selecting five names from a hat filled with named sheets of paper is a random sample.

Daniel's sample is not random because each sample did not have an equal probability of being chosen. All names he does not recognize are immediately eliminated from being chosen. With this, we can eliminate choices A and B.

Daniel did not chose names from the town he was collecting data for. He chose ones from his own neighborhood. It wasn't in the population he was focusing on.

Therefore, the best answer is D.

hope this helps :)

4 0

2 years ago

Use the image below to answer the following question. Find the value of sin x and cos y°. What relationship do the ratios of sin

Reptile [31]

Answer:

I don't have an image so...

Sine=opposite/hypotenuse

Cosine=adjacent/hypotenuse

Just to help you

7 0

2 years ago

Jaime en un joven que vive en puyo con su padre. A jaime le gusta cosechar chonta con su padre los sabados en la mañana jaime ha

xenn [34]

Answer:

$\large \boxed{\text{23 s}}$

Step-by-step explanation:

Jaime is at point A and wants to get across the river to Point B.

They must head upstream towards Point C.

1. Calculate the net speed across the river.

∆ABC is a right triangle, so

$\begin{array}{rcl}AB^{2} + BC^{2} & = & AC^{2} \\AB^{2} +10^{2} & = & 12^{2} \\AB^{2}+100& = & 144 \\AB^{2}& = & 44\\AB & = & \sqrt{44}\\& = & 2\sqrt{11}\\& \approx &\textbf{6.633 m/s}\\\end{array}$

2. Calculate the time to cross the river

$\text{Time} = \text{150 m} \times \dfrac{\text{1 s}}{\text{6.633 m}} \approx \textbf{23 s}\\\\\text{It will take $\large \boxed{\textbf{23 s}}$ to cross the river.}$

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3 years ago