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3 years ago

Paul says that in the number 6367 one 6 is 10 times as great as the other 6. is correct ? explain why or why not.

1 answer:

5 0

<span>Paul is not correct. A good understanding of place value is important to solve this problem. From the left, you look at the ones, tens, hundreds, and thousands for place value. In the number 6367, one 6 is in the tens column and the other 6 is in the thousands column. This means that one six is 100 times as great as the other 6. If it was 10 times as great, it would be in the hundreds column.</span>

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Show how you arrived at your answers.

AnnZ [28]

Step-by-step explanation:

if that's x^2+25

they can be factored to x+5

because the factor of x^2 is x cause x multiplied by x is x^2 and the factor of 25 is 5 cause 5×5 is 25

6 0

2 years ago

Felicia is a girl who plays on a co-ed volleyball team. Besides Felicia, the team is made up of 7 boys and 4 other girls. The te

lozanna [386]

Answer: IT IS 1/12

Step-by-step explanation:

Because Felica is one of the girls that play and there is 7 boys and 4 others girls, its like saying we need to add 7 + 4 + 1 which is 12 the answer.

If i get this wrong, my apologies are to you, but I'm pretty sure my equation was correct

Thank me later

7 0

3 years ago

Mr. Jones has 3/4 cup of fertilizer. He will use a 1/8 cup measuring scoop to pour all of the fertilizer onto his plants. How ma

dmitriy555 [2]

Answer:

6 times

Step-by-step explanation:

We will have to divide in order to solve this problem.

$\frac{3}{4}$ ÷ $\frac{1}{8}$

We will have to find the reciprocal of 1/8, which is basically flipping it, so it is 8.

After, we will have to multiply 3/4x8. The product would come out as 24/4, and if you simplify it, the answer will be 6 times.

6 0

3 years ago

Mr. Johnson has 4 daughters. Each of his daughters has a brother. How many children does mr. Johnson have?.

777dan777 [17]

Answer:

Step-by-step explanation:

hope this helps ;)

5 0

2 years ago

A cup of coffee contains about 100 mg of caffeine. Caffeine is metabolized and leaves the body at a continuous rate of about 12%

Mamont248 [21]

Answer:

a. $A = C_{0}(1-x)^t\\x: percentage\ of \ caffeine\ metabolized\\$

b. $\frac{dA}{dt}= -11.25 \frac{mg}{h}$

Step-by-step explanation:

First, we need tot find a general expression for the amount of caffeine remaining in the body after certain time. As the problem states that every hour x percent of caffeine leaves the body, we must substract that percentage from the initial quantity of caffeine, by each hour passing. That expression would be:

$A= C_{0}(1-x)^t\\t: time \ in \ hours\\x: percentage \ of \ caffeine\ metabolized\\$

Then, to find the amount of caffeine metabolized per hour, we need to differentiate the previous equation. Following the differentiation rules we get:

$\frac{dA}{dt} =C_{0}(1-x)^t \ln (1-x)\\\frac{dA}{dt} =100*0.88\ln(0.88)\\\frac{dA}{dt} =-11.25 \frac{mg}{h}$

The rate is negative as it represents the amount of caffeine leaving the body at certain time.

3 0

3 years ago