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3 years ago

Halp!! please!!

Mathematics

2 answers:

disa [49]3 years ago

7 0

7 \ 16 might be the answer

Aleksandr [31]3 years ago

5 0

3 1\2 x 1\8 7\2 x 1\8 answer=7\16

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A sample of 184 light bulbs contained 6 defective bulbs, at this rate ,how many defective bulbs would you expect to find in a sa

givi [52]

184 x 7 = 1288
7 x 6 = 42
so you have 42 <span>defective bulbs</span>

4 0

3 years ago

Which type of variation is modeled in the table?

Mamont248 [21]

Answer:

the answer is probably inverse or joint or combined,really haven't seen this type of variation before

8 0

2 years ago

Solve 8x+2y=13 and 4x+y=11 using substitution

Aleonysh [2.5K]

Answer:

No Solution

Step-by-step explanation:

8x+2y=13 4x+y=11 Subtract 4x on both sides to isolate y

y=-4x+11 <---- Substitute this equation into the

equation 8x+2y=13

8x+2(-4x+11)=13

8x-8x+22=13

22=13 (not true)

No Solution

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3 years ago

An unfair coin with Pr[H] = 0.75 is flipped. If the flip results in a head, a student is selected at random from a class of si

Agata [3.3K]

Answer:

72.73% probability of selecting a girl, given the flip resulted inheads

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

Coin resulted in heads

Student is selected at random from a class of six boys and sixteen girls.

Desired outcomes:

16 girls, so $D = 16$

Total outcomes:

16+6 = 22, that is, 22 students, so $T = 22$

Probability:

$P = \frac{16}{22} = 0.7273$

72.73% probability of selecting a girl, given the flip resulted inheads

7 0

3 years ago

Brennon has a summer job working for the

Lera25 [3.4K]

Brennon should make about $212.05. since 153/18 is 8.5, all we do is multiply 8.5 by 25. that gives us 212.5, convert it to money and you get $212.05.

6 0

3 years ago