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Katena32 [7]
3 years ago
7

What is 7/10+1/4 in simplest form

Mathematics
2 answers:
Nonamiya [84]3 years ago
8 0

\text{Hey there!}

\mathsf{What\ is\ \dfrac{7}{10}+\dfrac{1}{4}\ in\ simplest\ form?}

\text{First, look for the lowest common denominator (LCD) of the fractions.}\\\text{If you did the calculations correctly, you should've came up with 20 as}\\\text{your  LCD}

\mathsf{Here\ is\ how so: \dfrac{7\times2}{10\times2}+\dfrac{1\times5}{4\times5} = \ ?}

\mathsf{7\times2=14\leftarrow first\ numerator}\\\mathsf{10\times2=20\leftarrow first\ denominator}

\mathsf{1\times5=5\leftarrow second\ numerator}\\\mathsf{4\times5=20\leftarrow second\ denominator}

\mathsf{Your\ new\ equation\ SHOULD\ look\  like\ this: \dfrac{14}{20}+\dfrac{5}{20}}

\text{Since, your DENOMINATORS are ALIKE we can KEEP IT}

\mathsf{Which\ leaves\ us\ with\ the\ last\ step\ of\ the\ problem}

\mathsf{ \dfrac{14+5}{20}}}

\mathsf{14+5=19\leftarrow your\ new\ numerator}\\\\\mathsf{20 = 20\leftarrow your\ new\ denominator}

\boxed{\boxed{\bf{Answer: \mathsf{\dfrac{19}{20}}}}}\checkmark

\text{Good luck on your assignment and enjoy your day!}

~\frak{LoveYourselfFirst:)}

Stells [14]3 years ago
3 0

Answer: 19/20

Step-by-step explanation:

7/10 turns into 14/20

1/4 turns into 5/20

14/20 + 5/20

14 + 5 over 20

= 19/20

19/20 is in simplest form.

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Read 2 more answers
Its a multiple choice please answer.​
Tatiana [17]

Answer:

Last option (1/2)^3 = .125

Step-by-step explanation:

1/2 (1.035)^5 =0.579637

(2/3)^2 = 4/9 = .4444

.2^2/.3^2 = 0.04/0.09 = .44444

(1/2)^3 = 1/8 = .125

So we can clearly see the last one as the answer

8 0
3 years ago
N1=731pˆ1=0. 33 n2=644pˆ2=0. 28 use this data to find the 90onfidence interval for the true difference between the population pr
postnew [5]

The 90% confidence interval for the true difference between the population proportions is [ - 0.0908, - 0.0092]

Given,

N_{1} = 731

N_{2} = 644

P_{1} = 0.33

P_{2} = 0.28

z score for 90% confidence interval = 1.645

Here, the confidence interval formula :

( P_{1} -P_{2}) ± z \sqrt{\frac{P_{1}(1-P_{1})  }{N_{1} }+ \frac{P_{2}(1-P_{2})  }{N_{2} }  }

Substituting the values, we get

    (0.33 - 0.28) ± 1.645 \sqrt{\frac{0.33(1-0.33)}{731}+\frac{0.28(1-0.28)}{644}  }

=   0.05 ± 1.645 \sqrt{0.0003024624+0.0003130435}

=   0.05 ± 1.645 \sqrt{0.0006155059}

=    0.05 ± 1.645 × 0.0248093914

=    0. 05 ± 0.0408114489

Confidence interval:

- 0.05 - 0.0408114489 = - 0.0908114489 ≈ - 0.0908

- 0.05 + 0.0408114489 = - 0.0091885511 ≈ - 0.0092

The confidence interval for the true difference between the population proportions is [ - 0.0908, - 0.0092]

Learn more about confidence interval here:brainly.com/question/17421912

#SPJ4

7 0
2 years ago
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