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Stells [14]
3 years ago
11

Simplest form

1" title=" \frac{3}{5} - \frac{3}{8} " alt=" \frac{3}{5} - \frac{3}{8} " align="absmiddle" class="latex-formula">

Mathematics
1 answer:
raketka [301]3 years ago
4 0
\frac{3}{5} - \frac{3}{8} = \frac{3 * 8}{5 * 8} - \frac{3 * 5}{8 * 5} = \frac{24}{40} - \frac{15}{40} = \frac{9}{40}
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One month kris rented 3 movies and 8 video games for a total of $53. the next month she rented 5 movies and 2 video games for a
SCORPION-xisa [38]
Make a system of equations and solve for each variable.

3m+8v=53
5m+2v=26

m= movie cost
v= game cost

multiply the bottom equation by 4(combination method)

3m+8v=53
20m+8v=104. Subtract

-17m = -51
m= 3

Plug back into one of the equations

5(3)+2v=26
15+2v=26
2v=11
v=5.5

m=$3
v=$5.5


6 0
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How do you write 6.73 in scientific notation?
labwork [276]

Answer:

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Step-by-step explanation:

4 0
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In a balance sheet what do you add to get the cash balance?
lilavasa [31]

Answer:

You add the total amount of current non-cash benefits then find the total of all current benefits and subtract non-cash benefits from the total current benefits

Step-by-step explanation:

5 0
3 years ago
Solve for x: -3(x+3)=-3(x+1)-5
masya89 [10]
-3(x+3)=-3(x+1)-5
-3x-9=-3x-3-5
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3 0
3 years ago
According to a report from the United States Environmental Protection Agency, burning one gallon of gasoline typically emits abo
Minchanka [31]

Answer:

B. The mean amount of CO_2 emitted by the new fuel is actually lower than 89 kg but they fall to conclude it is lower than 89 kg

Step-by-step explanation:

A Type II error is the failure to reject a false null hypothesis.

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H_0: \mu = 8.9 kg\\H_a: \mu < 8.9 kg \\\text{ (where \mu is the mean amount of CO_2 emitted by burning one gallon of this new gasoline)}

where \mu is the mean amount of CO_2 emitted by burning one gallon of this new gasoline.

If the null hypothesis is false, then:

H_a: \mu < 8.9 kg

A rejection of the alternate hypothesis above will be a Type II error.

Therefore:

The Type II error is: (B) The mean amount of CO_2  emitted by the new fuel is actually lower than 89 kg but they fall to conclude it is lower than 89 kg.

8 0
3 years ago
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