2 years ago

HELP SOON PLEASE!!!!!

Mathematics

2 answers:

tresset_1 [31]2 years ago

4 0

You multiply all 3 so I think it’s the first one

polet [3.4K]2 years ago

3 0

Answer:

1, 3, 5

Step-by-step explanation:

hope that helps :)

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One number is three more than the other. their sum is thirty three. find the numbers

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The numbers are 15,18
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2 years ago

Studies show that a typical giant hummingbird can flap its wings once in 0.08 of a second.

Licemer1 [7]

Answer:

a. 90

b. 360

Step-by-step explanation:

The time taken by humming bird to flap its wings= 0.08 sec

by flying 7.2 seconds a typical giant hummingbird flap its wings $\frac{7.2}{0.08}$ times

= 90 times

Since, A ruby-throated hummingbird can flap its wings 4 times faster than a giant hummingbird, it will flap its wings in every 0.02 sec

so in 7.2 seconds it will flap $\frac{7.2}{0.02}$ times = 360 times

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3 years ago

Helppppppppppppppppppp me Write this rate as a unit rate. 7/5 miles 2/3 hour

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Answer: Your answer is 3.5 miles per hour.

Step-by-step explanation:

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2 years ago

While shopping, janet bought a shirt for $8, a pair of jeans for $22, mittens for $5, and a hat for $10. how much money did jane

Talja [164]

Janet spent $45 in all

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3 years ago

A linear regression is done on data the line of best fit is y= 1.25x-6.25. What is the residual for the point (1,1)?

Damm [24]

Answer:

Step-by-step explanation:

Find the predicted y value when x=1:

$\hat{y}=1.25x-6.25\\\hat{y}=1.25(1)-6.25\\\hat{y}=1.25-6.25\\\hat{y}=-5$

Find the residual:

$\text{Residual}=\text{Actual Value}-\text{Predicted Value}\\\text{Residual}=y-\hat{y}\\\text{Residual}=1-(-5)\\\text{Residual}=1+5\\\text{Residual}=6$

Because our residual is positive, this is an indicator that our predicted y value is too low.

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2 years ago