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natta225 [31]
2 years ago
6

New tablets are on sale for 40% off. They're

Mathematics
1 answer:
Morgarella [4.7K]2 years ago
8 0

Answer:

$89.7

Step-by-step explanation:

First, find the 40% of 149.5, which is 59.8. Then, subtract the percentage (59.8) from 149.5 which equals 89.7.

So it is $89.7 dollars when it is 40% off.

HOPE THIS HELPS!!!!

BEST OF LUCK!!!

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Rotation of a point through 90-degree is about he origin in clockwise direction when point M(h,k) is rotated about the origin O through 90-degree in clockwise direction
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PLEASE HELP NOW
slavikrds [6]

Answer:

Solution=96°+x+35°

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3 years ago
Work out an estimate for the value of<br> 41.2 x 19.8<br> ——————-<br> 0.49
frez [133]

Answer:

820

Step-by-step explanation:

41.2 * 19.8 = 41 *20 = 820

41.2

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3 0
3 years ago
1. 1-(-3) =
jolli1 [7]
1
 1-(-3) = 4 ( a minis and a negative together is a addition problem)
2
 -9 - 2 = -11 
3
 -9 - 5 = -14 
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5
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7 0
2 years ago
Read 2 more answers
Researchers conducted an experiment to test the effects of alcohol. Errors were recorded in a test of visual and motor skills fo
Jobisdone [24]

Answer:

H0: σ1=σ2

Ha : σ1 >σ2

B. Upper H 0H0​:

sigma Subscript 1 Superscript 2σ21equals=sigma Subscript 2 Superscript 2σ22

Upper H 1H1​:

sigma Subscript 1 Superscript 2σ21greater than>sigma Subscript 2 Superscript 2σ22

Step-by-step explanation:

The claim is  that the treatment group has errors that <em><u>vary significantly</u></em> more than the errors of the placebo group.

The claim is the alternative hypothesis and the opposite of claim is the null hypothesis.

Vary significantly means that it is greater than so we choose the alternate hypothesis of greater than and the null hypothesis will be equal to errors of the placebo group.

So the correct choice is B.

B. Upper H 0H0​:

sigma Subscript 1 Superscript 2σ21equals=sigma Subscript 2 Superscript 2σ22

Upper H 1H1​:

sigma Subscript 1 Superscript 2σ21greater than>sigma Subscript 2 Superscript 2σ22

Choice A,C and D all are incorrect.

This can be written as

H0: σ1=σ2

Ha : σ1 >σ2

5 0
2 years ago
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