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amid [387]
3 years ago
12

Round to 0, 1/2, or 1 12/15 rounds to

Mathematics
2 answers:
Korvikt [17]3 years ago
8 0
Question is confusing but 12/15 divides to 4/5 or rounds to 1
labwork [276]3 years ago
7 0
It is going to be 1 I think
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e 400 trials in which the assistant maintained a neutral expression, the driver stopped in 229 out of the 400 trials. Find a 95%
Fittoniya [83]

Answer:

Step-by-step explanation:

n = 400

Proportion p = 229/400= 0.5725

For 95% confidence interval we use Z value as 1.96

Std error = 0.025

margin of error = 1.96*0.025

Confidence interval 95% = 0.5725±Margin of error

= (0.524, 0.621)

b) When smiled x becomes 277

p = 0.6925

Std error = 0.023

Margin of error= 1.96*0.023

Confidence interval = (0.647, 0.738)

Smiling increases the chances of stopping since mean and conidence interval bounds are showing increasing trend.

6 0
3 years ago
Ryan está haciendo pequeños panes de carne. El pan de carne pequeño de Eaclh utiliza 3/4 de libra de carne. ¿Cuánta carne necesi
Delicious77 [7]
Necesitarás 10 para hacer 8 panes pequeños.
7 0
3 years ago
A woman has a total of $9,000 to invest. She invests part of the money in an account that pays 7 % per year and
Volgvan

Answer:

Hi! I believe this is your answer:

$750

Step by step explanation:

interest + interest      = total interest

0.08*x   + 0.09*(9000-x) = 750    dollars

0.08x + 810 - 0.09x = 750

-0.01x = 750 - 810 = -60  ====>  x = %28-60%29%2F%28-0.01%29 = 6000.

Final answer:  

$6000 was invested at 8%.  The rest   9000-6000 = 3000 dollars were invested at 9%.

Check.   0.08*6000 + 0.09*3000 = 480 + 270 = 750 dollars.

6 0
2 years ago
___<br>H is the midpoint of IJ and IH = 0.75 find HJ<br>​
insens350 [35]
The answer is 1.5 bc 0.75 times 2 since it’s the midpoint
3 0
2 years ago
If the leg of a triangle is 48 and the hypotenuse is 60 what is the length of the other leg
AURORKA [14]

Answer:

The length of the other would be 36.

Step-by-step explanation:

a² + b² = c²

b² = c² - a²

b² = 60² - 48²

b² = 3600 - 2304

b² = 1296

√b² = √1296

b = 36

4 0
3 years ago
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