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3 years ago

I don't understand this!

Mathematics

1 answer:

12345 [234]3 years ago

3 0

I csn help for the first one can't help with the colunms the answer is 1,396.

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Two friends are working on losing weight. One

SCORPION-xisa [38]

Answer:

20 weeks

151-Weigh

Step-by-step explanation:

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8 0

4 years ago

I need help with this.....skdkdidennebdndjdhdvevdhd

MAXImum [283]

The answer is c......

6 0

3 years ago

It’s a question I don’t know

I am Lyosha [343]

Answer:

0.213333... or 16/75

Step-by-step explanation:

Based on picture:

3 sections to 0.32 so .32/3 so 32/300

2 sections to 0 so 32/300 * 2 = 64/300 = 32/150 = 16/75

7 0

3 years ago

Mr. Nielsen invested $250,000 in two different automobile companies. The first earned a 5% profit, and the second earned a 10% p

dem82 [27]

Answer: $100,000

Step-by-step explanation:

Let P be the amount he invested in 5% profit .

then 250,000-P be the amount he invested in 10% profit .

The total profit he earns at 5% =5% of P

⇒The total profit he earns at 5 %=0.05P

Now, The total profit he earns at 10% =10% of (250,000-P)

⇒The total profit he earns at 10%= $0.1(250,000-P)=25,000-0.1P$

According to the question,

$3(0.05P)=25,000-0.1P\\\Rightarrow\ 0.15P=25,000-0.1P\\\Rightarrow\ 0.25P=25,000\\\Rightarrow\ P=\frac{25000}{0.25}\\\Rightarrow\ P=100,000$

Thus, the money he invest in the company that made 5%= $100,000

4 0

4 years ago

The table shows the distance the students a group of students walked during after-school practice. What was the total distance,

ser-zykov [4K]

First let's convert the decimal numbers to mixed numbers:

$\begin{gathered} 3.4=3+0.4=3+\frac{4}{10}=3+\frac{2}{5}=3\frac{2}{5} \\ 1.75=1+0.75=1+\frac{75}{100}=1+\frac{3}{4}=1\frac{3}{4} \\ 2.25=2+0.25=2+\frac{25}{100}=2+\frac{1}{4}=2\frac{1}{4} \end{gathered}$

Now, adding all the numbers, we have:

$\begin{gathered} (3+\frac{2}{5})+(3+\frac{1}{5})+(1+\frac{3}{4})+(2+\frac{1}{4})+(1+\frac{7}{10}) \\ =(3+3+1+2+1)+(\frac{2}{5}+\frac{1}{5}+\frac{3}{4}+\frac{1}{4}+\frac{7}{10}) \\ =10+(\frac{3}{5}+1+\frac{7}{10}) \\ =11+(\frac{6}{10}+\frac{7}{10}) \\ =11+\frac{13}{10} \\ =12+\frac{3}{10}=12\frac{3}{10} \end{gathered}$

So the correct option is B.

8 0

1 year ago