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IrinaVladis [17]
3 years ago
9

Alexander saves 30% of his allowance each week. He earns $12 each week. How much money will he save in 4 weeks?

Mathematics
2 answers:
Oksi-84 [34.3K]3 years ago
4 0
48 because 12 times 4=48
Vaselesa [24]3 years ago
4 0

Answer:

he should have $14.04

Step-by-step explanation:

30% of $12.00 is $3.06 and $3.06 every four weeks will equal $14.04.

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kolezko [41]
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Liam will spin the pointer one time what is the probability the pointer will land on red
Karo-lina-s [1.5K]

Answer:

3/8

Step-by-step explanation:

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When you see a problem like -17 - (-7) what do you do first
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Based on the tree diagram below, what is the probability that a student doesn't have lice, given that the student tested negativ
oee [108]

Answer:

Option D (APEX)

Step-by-step explanation:

L= Student has lice

NL= Student has no lice

PT=Test Shows positive

NT=Test Shows negative

P(\frac{NT}{NL}) =0.7708 (Probability that a student has no lice and the test shows negative)

P(\frac{NT}{L}) = 0.0108 ( Probability that a student has lice and the test shows negative)

  1. P\frac{NT}{NL} = \frac{P\frac{NT}{NL} }{P\frac{NT}{NL} +P\frac{NT}{L} }
  2. \frac{0.7708}{0.7708+00108}
  3. \frac{0.7708}{0.7816}
  4. 0.98618219 (Simplify)

<u> Terms Of Percentages</u>

0.98618219 × 100

=98.6

Therefore your answer is 98.6% (Option D)

APEX

3 0
3 years ago
Read 2 more answers
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vodomira [7]
Since 8 students take both, that leaves only 4 students who take Algebra I alone.
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That leaves 38 people who are not taking either.
b. 38

You can set this up using a 2 circle venn diagram.  Just be sure to put the 8 who take both in first.

4 0
3 years ago
Read 2 more answers
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