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3 years ago

Can anyone write this in a notebook for more understanding? Thank you

Mathematics

1 answer:

vfiekz [6]3 years ago

3 0

Answer:

Step-by-step explanation:

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lily swims a 100-meter race. she swims the first half in 27.8 seconds. she swims the second half in 30.12 seconds. how long does

Luden [163]

we know that

1) Lily swims a $100$ -meter race

2) She swims the first half in $27.8$ seconds

3) She swims the second half in $30.12$ seconds

To find the total time to swim the whole race sum the time in the first half plus the time in second half

$(27.8+30.12)=57.92\ seconds$

therefore

the answer is

$57.92\ seconds$

3 0

3 years ago

Read 2 more answers

Nancy’s morning routine involves getting dressed , eating breakfast, making her bed , and driving to work . Nancy spends 1/3 of

grin007 [14]

Answer: Nancy needs 26 minutes to driving to work.

Explanation:

Since we have given that

Time taken in eating breakfast = 10 minutes

Time taken in making her bed = 5 minutes

Let the total time taken by her in doing routine activities be x

Time taken in getting dressed is given by

$\frac{1}{3}x$

So, According to question,

$\frac{x}{3}+10+5=35\frac{1}{2}\\\\\frac{x}{3}+15=\frac{71}{2}\\\\\frac{x}{3}=\frac{71}{2}-15\\\\\frac{x}{3}=\frac{71-30}{2}=\frac{41}{2}\\\\x=\frac{123}{2}$

Now, we need to find the time taken in driving to work which is given by

$\frac{123}{{2}-\frac{71}{2}=\frac{52}{2}=26\ minutes$

Hence, Nancy needs 26 minutes to driving to work.

6 0

3 years ago

I need help with this question

Norma-Jean [14]

d. every twentieth name on a roster of all students at school

8 0

3 years ago

12 and 1/2 + 1 and 5/8

ki77a [65]

Answer: 14 1/8

Step-by-step explanation: To add mixed numbers, first add the fractions. In this case, we have two fractions $\frac{1}{2}$ and $\frac{5}{8}$ and these fractions have unlike denominators. We need to find a common denominator for both of these fractions to be able to add.