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kompoz [17]
2 years ago
11

Dan has a wrench which can open to accommodate three different sizes of washers, 5/16 inch, 3/8 inch, and 2/5 inch. Which washer

is the smallest?
Mathematics
1 answer:
bezimeni [28]2 years ago
8 0
5/16 = 25/80
3/8 = 30/80
2/5 = 32/80

Because 25/80<30/80<32/80, the washer with the size of 5/16 inch is the smallest~
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Who should fill out the W-2 form? a. the taxpayer's employer b. the taxpayer c. a qualified tax professional d. the IRS
Eva8 [605]

Answer:

A. the taxpayers employer

Step-by-step explanation:

My test said it was right

5 0
3 years ago
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What are roots of the equation -90=x (x-18)
daser333 [38]

Answer:

-90=x(x-18)

-90=x^{2}-18x

0=x^{2}-18x+90

x=9+3i   or   9-3i

Step-by-step explanation:

you need to use quadratic formula and you will find square root a negative ( -9 ), which is an imaginary no.

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4 0
2 years ago
Pine Lane Middle School's student council has 10 seventh graders and 8 eighth graders serving as representatives. A subcommittee
Nikitich [7]

Hey there! I'm happy to help!

When dealing with picking things and finding the number of possibilities, we can be dealing with two different types of things: permutations or combinations. We use permutations when order is important to the groups and we use combinations if order is not important.

It appears here that order is not important here as the subcommittee doesn't have to be in a specific order, so we will be using combinations.

So, we have ten seventh graders to choose from. Then we will have 9, and then 8. So, we multiply these numbers of choices.

10×9×8=720

Now, we need to divide by 6. This is to show that order doesn't matter. Why? Because there are  6 possible ways to organize 3 seats on the committee (3×2×1), and we want to divide out all of the different orders so it is just the specific group of people and not their different organizations that are counted.

720/6=120

Now, we need to find this with the eighth graders.

8×7×6=336

And we divide by the number of seats factorial (3 seats for the eighth graders, so 3×2×1=6 again)

336/6=56

Now, we multiply our numbers for seventh and eighth graders to find all off the possibilities.

120×56=6720

So, there are 6720 subcommittees possible.

Have a wonderful day and keep on learning! :D

6 0
2 years ago
17 1/2 multiplied by 2
In-s [12.5K]

Answer:

35

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Can someone explain how the following Matrix can be multiplied? I thought the column of the first matrix had to match the row of
natita [175]

You are correct in thinking that the columns of the first matrix must match with the rows of the second matrix.

So for example, we can multiply a 1 x 5 matrix with a 5 x 7 matrix. The two matching '5's are directly what make multiplication possible in this case. For your problem, the first two '3's match and multiplication is possible.

The rows of the first matrix don't need to match with the columns of the second matrix.

7 0
2 years ago
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