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nika2105 [10]
3 years ago
13

A bug is 1.2 cm up a wall and climbs up 1.7 cm each second. Another bug is 30 cm up the wall and climbs down 1.5 cm per second.

After how many seconds will the bugs be the same height?
Seconds =
Mathematics
1 answer:
earnstyle [38]3 years ago
8 0

Day to night to morning, keep with me in the moment

I'd let you had I known it, why don't you say so?

Didn't even notice, no punches left to roll with

You got to keep me focused, you want it, say so

Day to night to morning, keep with me in the moment

I'd let you had I known it, why don't you say so?

Didn't even notice, no punches left to roll with

You got to keep me focused, you want it, say so

It's been a long time since you fell in love

You ain't coming out your shell, you really ain't been yourself

Tell me what must I do (do tell, my love)

'Cause luckily I'm good at reading

I wouldn't bug him, but he won't stop cheesin'

And we can dance all day around it

If you front then I'll be bouncing

If you want it scream and shout it, babe

Before I leave you dry

Day to night to morning, keep with me in the moment

I'd let you had I known it, why don't you say so?

Didn't even notice, no punches left to roll with

You got to keep me focused, you want it, say so

Day to night to morning, keep with me in the moment

I'd let you had I known it, why don't you say so?

Didn't even notice, no punches left to roll with

You got to keep me focused, you want it, say so (yeah)

Let me check my chest, my breath right quick (ha)

He ain't never seen it in a dress like this (ah)

He ain't never even been impressed like this

Prolly why I got him quiet on the set like zip

Like it, love it, need it bad

Take it, own it, steal it, fast

Boy, stop playing, grab my az

Why you actin' like you shy?

Shut it, save it, keep it, pushin'

Why you beating 'round the bush?

And knowing you want all this woman

Never knock it 'til you try (yeah, yeah)

All of them betches hating I have you with me

All of my nigzas saying you mad committed

Realer than anybody you had, and pretty

All of that body-ody, the az and tizys

Day to night to morning, keep with me in the moment

I'd let you had I known it, why don't you say so?

Didn't even notice, no punches left to roll with

You got to keep me focused, you want it, say so

Day to night to morning, keep with me in the moment

I'd let you had I known it, why don't you say so?

Didn't even notice, no punches left to roll with

You got to keep me focused, you want it, say so

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1. The U.S. Energy Information Administration claimed that U.S. residential customers used an average of 10,290 kilowatt hours (
vladimir2022 [97]

Answer:

Kindly check explanation for (1)

2.)

B. We fail to reject the null hypothesis and conclude that there is insufficient evidence at a 0.02 level of significance to support the power company claim that the mean amount of electricity for their residents is more than the national average.

Step-by-step explanation:

1.)

H0 : μ = 10290

H0 : μ > 10290

n = 153, sample mean, xbar = 10586 ; population standard deviation, σ = 2509 ; α = 0.05

Test statistic:

(xbar - μ) ÷ (σ/√(n))

(10586 - 10290) ÷ (2509/√(153))

296 / 202.84062

Test statistic (Z) = 1.46

We obtain the Pvalue :

Decision Region :

Reject H0 ; if Pvalue < α

Pvalue from Z test statistic calculator :

Pvalue = 0.072

Pvalue > α ; Hence, we fail to reject the Null ; there isn't sufficient evidence to support the power company's claim

2.)

H0 : μ = 10290

H0 : μ > 10290

n = 153, sample mean, xbar = 10446 ; population standard deviation, σ = 2509 ; α = 0.02

Test statistic:

(xbar - μ) ÷ (σ/√(n))

(10446 - 10290) ÷ (2509/√(153))

156 / 202.84062

Test statistic (Z) = 0.769

We obtain the Pvalue :

Decision Region :

Reject H0 ; if Pvalue < α

Pvalue from Z test statistic calculator :

Pvalue = 0.221

Pvalue > α ; Hence, we fail to reject the Null ;

B. We fail to reject the null hypothesis and conclude that there is insufficient evidence at a 0.02 level of significance to support the power company claim that the mean amount of electricity for their residents is more than the national average.

5 0
3 years ago
A cohort study was conducted to study the association of coffee drinking and anxiety in a population-based sample of adults. Amo
azamat

Answer: Relative risk of anxiety associated with coffee use is 5 times the anxiety associated with non coffee use.

Step-by-step explanation:

Since we have given that

Number of coffee drinkers = 10000

Number of whom developed anxiety = 500

Number of non coffee drinkers = 20000

Number of whom developed anxiety = 200

So, probability of getting anxiety from coffee drinkers = \dfrac{500}{10000}=0.05

Probability of getting anxiety from non coffee drinkers = \dfrac{200}{20000}=0.01

so, Relative risk of anxiety associated with coffee use is given by

\dfrac{0.05}{0.01}=5

Hence, Relative risk of anxiety associated with coffee use is 5 times the anxiety associated with non coffee use.

6 0
3 years ago
This petite girl, short as can be is gonna jump and be free<br> -Rachie [My R]
suter [353]

for god sake pls are you serious?! i just can't believe! for a st...upi...d reason you got here before me?!? are you upset cuz you can't have what you wanted?!

7 0
3 years ago
I need help!!!!!!!!!
Natalka [10]

Answer:

10 2/3 x 9/10 = 9 3/5

1 x 10 2/3 = 10 2/3

10 2/3 x 2 1/3 = 24 8/9

1/8 x 10 2/3 = 1 1/3

10 2/3 x 3/5 = 6 2/5.

Hope this helps!

8 0
2 years ago
What is the slope pls help
Paladinen [302]

Answer:

-3

Step-by-step explanation:

The slope is what comes right before the x value in the equation. In this instance, the equation is: y=-3x+4. Therefore, the y-intercept is 4 and the slope is -3.

7 0
2 years ago
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