Ivanna drove 696 miles in 12 hours. At the same rate, how many miles would she drive in 7 hours?

Answers

Answer 1
Answer:

Answer:

406

Step-by-step explanation:

We need to find the unit rate or how many miles can they drive in 1 hour. So we do 696/12 which is 58. So we have 58 miles in 1 hour. Now we multiply the number of desired hours, 7 and multiply it by 696. Which is 406


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Five thirds divided by seven thirds can be solved using which of the following
We wish to study the quality of our production line. We take a random sample of 1000 widgets from our line. A quality rating was determined for each of the 1000 widgets, and the average quality rating in the sample was 4. The sample standard deviation was 0.5. Also, 6 of the 1000 widgets were found to be defective.Estimate the average quality rating for widgets from our production line, and include the uncertainty in this estimate in the form, a ± b.

In the multiplication below, each of A, B andC represents a different digit. What is ABC?
A B C
X
3
В В В

Answers

The value of ABC is 340.

The multiplication problem can be written as follows:

ABC

x 3

-----

BBBB

The product of the two numbers is a 4-digit number, so the product of the units digits must be 4. Since 3 x 4 = 12, and the product of the units digits is 4, the units digit of the product is 4, and the carryover is 1.

The product of the tens digits must be a multiple of 10, since the product of the units digits is 4 and the carryover is 1. The only possibility is 3 x B = 1B, where B is an even digit. Since B is a single digit, the only even digit that works is 4. Therefore, B = 4, and the carryover is 1.

The product of the hundreds digits must be a multiple of 100, since the product of the tens digits is a multiple of 10 and the carryover is 1. The only possibility is 3 x A + 1 = 1A, where A is a digit greater than or equal to 3. Since A is a single digit, the only digit greater than or equal to 3 that works is 3. Therefore, A = 3, and the product of the hundreds digits is 10.

The product of the thousands digits must be 0, since the product of the hundreds digits is 10 and the carryover is 0. Therefore, C = 0.

Therefore, the value of ABC is 340.

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Answer:

ABC = 148, 3*148 = 444

Step-by-step explanation:

We know that 111 = 3*  37, so all numbers of the form BBB has the factor 37.

So we need a multiple of 37 such thant when multiplied, we get three digits the same as the middle digit.

Try 4*37 = 148, 148*3 = 444, bingo, we got the right combination.

So ABC is 148.

Consider the experiment of rolling a dice. Find the probability of getting an even number 3) and a number that is multiple of 3.

Answers

The required probability of rolling a dice and getting an even number and a number that is a multiple of 3 is 1/6.

To find the probability of rolling a dice and getting an even number (3, 4, or 6) and a number that is a multiple of 3 (3 or 6), we need to consider the outcomes that satisfy both conditions.

There are three even numbers on a standard six-sided dice: 2, 4, and 6. Out of these three even numbers, two of them are multiples of 3 (3 and 6).

The probability of rolling an even number is 3/6 (3 even numbers out of 6 possible outcomes) or simply 1/2.

The probability of rolling a number that is a multiple of 3 is 2/6 (2 multiples of 3 out of 6 possible outcomes) or 1/3.

Now, to find the probability of both events occurring together (rolling an even number and a number that is a multiple of 3), we multiply the individual probabilities:

Probability of getting an even number AND a number that is a multiple of 3 = (1/2) * (1/3) = 1/6.

So, the probability of rolling a dice and getting an even number and a number that is a multiple of 3 is 1/6.

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1.994 x 10^-23 1.67 x 10^-24 what are the difference

Answers

Answer:

1.827 x 10^-23

Step-by-step explanation:

(1.994 x 10^-23) - (1.67 x 10^-24) = 1.827 x 10^-23


Weights of babies at the local community hospital have a distribution that is approximately normal with a mean weight of 7.43 pounds and a standard deviation of 1.25 pounds. A premature baby can be classified as being less than 5.51 pounds. A. Find the probability of a randomly selected baby weighing less than 5.51 pounds. B. If 25 babies are randomly selected, what is the probability that their weight will be less than 5.51 pounds?

Answers

Answer:

Step-by-step explanation:

Hope this helped

Solve -9x-3x+4 = -10x - (2x- 4)

Answers

Answer:

All real numbers

Step-by-step explanation:

-9x-3x+4 = -10x - (2x- 4)

-12x+4=-10x-2+4

-12x+4=-12x+4

Answer:

9

x

3

x

+

4

, then set it equal to

10

x

(

2

x

4

)

.

Always true

Step-by-step explanation:

The ratio of cats to dogs at the shelter is 3 to 2 if there are 15 cats at the shelter how many dogs are there

Answers

Answer:

3/2=15/x

Step-by-step explanation:

Solve that and you’ll get x, which is your answer