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2 years ago

What is the median 5,7,9,10,16,17,20

Mathematics

1 answer:

kolezko [41]2 years ago

6 0

Answer:

Step-by-step explanation:

For an odd number of values, the median is the middle value when you write the values in ascending order.

5, 7, 9, 10, 16, 17, 20

The median is 10.

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Paul and Charlene are 420 miles apart. They start toward each other with Paul driving 16 mph faster than Charlene. They meet in

Thepotemich [5.8K]

Answer:

34 mph.

Step-by-step explanation:

Let x be speed of Charlene, then speed of Paul will be x+16 as we are given that Paul is driving 16 mph faster than Charlene.

Let y be distance covered by Charlene, then distance covered by Paul will be 420-y.

Now we will use formula $\text{Speed}=\frac{\text{Distance}}{\text{Time}}$ . Upon using our given information we will get two equation and two unknowns as:

$x+16=\frac{420-y}{5}...(1)$

$x=\frac{y}{5}...(2)$

Upon substituting $x=\frac{y}{5}$ in 1st equation we will get,

$\frac{y}{5}+16=\frac{420-y}{5}$

Upon multiplying both sides of our equation by 5 we will get,

$5(\frac{y}{5}+16)=420-y$

$5\times\frac{y}{5}+5\times 16=420-y$

$y+80=420-y$

$y+80+y=420-y+y$

$2y+80=420$

$2y=420-80$

$2y=340$

$y=\frac{340}{2}$

$y=170$

Upon substituting y=170 in 2nd equation we will get,

$x=\frac{170}{5}$

$x=34$

Therefore, Charlene's speed is 34 miles per hour.

6 0

2 years ago

Which answer shows a correct order to solve this story problem?

Salsk061 [2.6K]

C is correct.
1. You do 12.99 times 3
2. $0.69 times 2
3. Add $2.99 to the two prices above
4. Add the $2.52 tax to the prices
And you should get around $45 and some change

7 0

2 years ago

a jar containing only nickels an dimes contains a total of 60 coins. The value of all the coins in the jar is $4.45. What is the

andreev551 [17]

Answer:

31 nickels and 29 dimes

Step-by-step explanation:

5 0

2 years ago

-1/6 x -2 1/10 = ?<br> help ya girl out

Nataly_w [17]

Answer:

the answer is r (‑1)/(6*x)-2.1

Step-by-step explanation:

5 0

2 years ago

Read 2 more answers

If 75 is 25% of a value, what is that value?

sertanlavr [38]

75÷25%
25%=0.25
75÷0.25
=300
Your answer is 300

7 0

3 years ago