What is the 13th term of this arithmetic sequence?
132, 135, 138, 141,

Answers

Answer 1

Answer: The 13th term would be 168!

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Five eighths added to Q number is 4. Determine the number.

There are 10 marbles in a bag, and the marbles are either red or blue. Eric will randomly choose two marbles from the bag, without replacing the first one. If the probability of both marbles' being red is 2
15, how many RED marbles are in the bag?

Answers

Let the number of red marbles be r. Now we can write the equation:
$(r)/(10)*(r-1)/(9)=(2)/(15)$
Rearranging the above equation and simplifying gives the quadratic:
$r^(2)-r-12=0$
which factorizes to:
(r - 4)(r + 3) = 0
Therefore r = 4. there are 4 RED marbles in the bag.

Answer:

Step-by-step explanation:

BECAUSE.

Which mathematical sentence most accurately expresses the information in the problem below?Crystal has 100 compact discs that she wants to put into boxes each of the boxes that she brought home holds 15 discs how many of these boxes will she need for all of her disks?

A: 100-b=15
B: b+15=100
C: 15b<100
D: 15b> (or equal to) 100

Answers

D is the answer.best answer please

Answer:

Step-by-step explanation:

What is 9 times 3/4?

Answers

When multiplying a whole number by a fraction, put the whole number as a fraction over one. 9/1 times 3/4. When multiplying fractions, you multiply straight across. 9(3)=27 and 1(4)=4. The new fraction is 27/4.

Factor the trinomial in to 2 sets of parentheses
12a squared minus 13a minus 35

Answers

it can't be factored because there are no 2 numbers that when you multiply you get 35 and when you add you get 13.

Paul works for a company that deals in paints and dyes. He is paid a fixed monthly salary plus 15 percent commission on monthly sales over $20,000.

Answers

If x is the sales amount over $20,000, the function g(x) giving Paul's commission is 0.15x

How can you use 4s fact to find 7x8? Give the product in your explanation.

Answers

Final answer:

You can use the 4s fact to find the product of 7 and 8 by breaking down 7 x 8 into (4 x 2) x 8, then rearrange to (4 x 8) x 2. Thus, the product of 7 and 8 is 64.

Explanation:

The question relates to using the known multiplication fact of 4 to find the product of 7 and 8. The method involves breaking down 7 x 8 into (4 x 2) x 8, which could be rearranged to (4 x 8) x 2 = 32 x 2 = 64. By using the 4s fact, we first multiplied 4 by 8 to get 32, then multiply the result by 2 to derive the product of 7 and 8.

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Final answer:

You can find 7x8 using 4s facts by adding the product of 4x8 to the product of 3x8, which is 32 + 24 = 56.

Explanation:

You can use the 4s facts to find the product of 7x8 by doubling twice. Here's how it works:

First, use the 4s fact, which you should know is 4x8=32.
Then, knowing that 7 is 4+3, you can use the product you already found and the 3s fact (3x8=24), to find 7x8. Add the two products together: 32 (for 4x8) + 24 (for 3x8) = 56.

Therefore, the product of 7x8 is 56.