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Brums [2.3K]
3 years ago
13

Which pair shows equivalent expressions? 2x+10=-2(x-5) O -2(x+5)=2x-10 O-2x-10--2(x+5) -2(x-5)=-2x-10

Mathematics
2 answers:
Katena32 [7]3 years ago
8 0

Answer:

The pair that shows equivalent expressions is -2x - 10 = -2(x+5)

Step-by-step explanation:

If you use the distributive property for the expression -2(x + 5), you will get -2x - 10, which is equivalent to -2x - 10.

pickupchik [31]3 years ago
6 0

Answer:

1 and 2 they both are x=0

Step-by-step explanation:

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3 years ago
IQs as measured by the Wechsler Adult Intelligence Scale are approximately Normal with mean 100 and standard deviation 15. About
Marina CMI [18]

Answer:

1 standard deviation

Step-by-step explanation:

Given that :

IQs as measured by the Wechsler Adult Intelligence Scale are approximately Normal with:

Mean = 100

Standard deviation = 15

About 84% of people will have IQs below 115 because:

84% = 0.84

From z - table, 0.84 corresponds to a z- score of about 0.995

0.995 = 1. 00

The z-score gives the number of standard deviations by which a raw score is above or below the average or mean value.

Raw score = 115

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Standard deviation (sd) = 15

Mean + number of sd's

100 + 1(sd)

100 + 1(15) = 100 + 15 = 115

8 0
2 years ago
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Margaret [11]

Answer:

  none of the above

Step-by-step explanation:

The problem as written cannot have any of the solutions offered.

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The solution is an irrational number near ...

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5 0
3 years ago
Sherman has 3 cats and 2 dogs. he wants to buy a toy for each of his pets. Sherman has 22$ to spend on pet toys. How much can he
WARRIOR [948]

Sherman wants to spend on each pet, so we are assuming he wants to spend the same amount. He has 5 pets in all (3 cats, 2 dogs)

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4 4/10 (Mixed fraction)

hope this helps

6 0
3 years ago
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klemol [59]

Answer:

x = -1

Step-by-step explanation:

If you have any questions about the way I solved it, don't hesitate to ask me in the comments below ÷)

7 0
3 years ago
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