teachers divided students into groups of 3. each group of 3 wrote a report that had 9 pictures in it. the students used 585 pictures altogether. how many students were there in all?

Answers

Answer 1

Answer: there were 195 students all together

Answer 2

Answer: 198 students because you divide 585 by 9 then multiple by 3

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What is the equation in slope-intercept form of the line that passes through (-2,17) and (3,-13)?

Answers

The equation in slope-intercept form of the line that passes through (-2,17) and (3,-13) is y = -6x + 5

What is linear equation?

It is defined as the relation between two variables, if we plot the graph of the linear equation we will get a straight line.

If in the linear equation, one variable is present, then the equation is known as the linear equation in one variable.

We have two points:

(-2, 17) and (3, -13)

The equation is:

[y - (-13)] = (-13-17)/(3+2)[x-3]

y + 13 = -6(x - 3)

y = -6x + 18 - 13

y = -6x + 5

Thus, the equation in slope-intercept form of the line that passes through (-2,17) and (3,-13) is y = -6x + 5

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First, you would have to find your slope. Then you plug your coordinates into the equation to find b. Your final answer is y= -6x+5.

How do you solve substitution to solve the sytem
x+y=2
-2x+y=2

Answers

so you want to make one of the equations equal to one of the placeholders exg y=x+3

so we have
x+y=2 and
-2x+y=2

I chose to make -2x+y=2 equal to y so
-2x+y=2
add 2x to both sides
y=2+2x

subsitute 2+2x for y in x+y=2
x+2+2x=2
add like terms
3x+2=2
subtract 2 from both sides
3x=0
x=0

subsitute x=0 in x+y=2
0+y=2
y=2

x=0
y=2

separate one variable in either equation, so for example:

x=-y+2
-2x+y=2

(if you dont know how to do that, tell me)

now that you have the variable separated, you can substitute the top equation in for the x in the second equation like this

-2(-y+2)+y=2

and now use the distributive property to get:

2y-4+y=2

and just combine like numbers.....

3y-4=2

and if you dont know how to solve it from here, comment to tell me but the rest of the problem would go like this:

3y-4=2
+4 +4

3y=6
/3 /3

y=2

and then you take this y and plug it back into one of the original two equations waaayy up at the top like this:

x+2=2

and solve...

x+2=2
-2 -2

x=0

so your final answer is (0,2)! Hope this helps!

What does it mean for a figure to be 3-D

Answers

We are able to see the "entire" figure and not just one side or a "flat" side.

It's 3 dimensional. It means that it isn't flat. Like if you look at a person, they are thre dimensional. But if you look at a picture or a 2d movie, it's flat.

Which equation can be used to find the perimeter of a regular hexagon with sides of length 14 inchesA. P=6(14)
B.P=6+14
C.P=14 DIVIDED BY 6
D.P=2(6)+2(14)

Answers

The answer would be A. 6 (14)

number A . p=6(14) is the correct answer

You have 80 pieces of fabric to make a wall hanging. Each piece of fabric is a square with a side length of 5 inches. You use as many pieces of fabric as possible to create a square wall hanging.What is the area of the wall hanging?

How many pieces of fabric are left over?

How many more pieces of fabric would you need to increase the size of the wall hanging?

Answers

The square wall hanging made from pieces of fabric will have an area of 1600 square inches. There will be 16 pieces of fabric left over. 1 more piece of fabric is needed to increase the size of the wall hanging.

The first thing to do in this process is to determine how many square pieces of fabric you can use to form a larger square. In order to have a square, you need the same number of pieces on each side, so the number of pieces used must be a perfect square. The largest perfect square less than or equal to 80 is 64 (which is 8^2), so you would use 64 pieces to form the wall hanging.

Therefore, the area of the wall hanging (which is side squared) is therefore 8 pieces x 5 inches x 8 pieces x 5 inches = 1600 square inches.

To find out how many pieces are left over, you subtract the number of pieces used from the total you started with, therefore 80 - 64 = 16 pieces of fabric are left over.

To increase the size of the wall hanging by one row and column (which remains a square), you would need to go up to the next perfect square which is 9^2 = 81, so you need 81 - 80 = 1 more piece of fabric.

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The are would be 25

and we could make 3 squares. 75

5inches will be left over.

What is the least common denominator for the fractions 1/6 and 3/4 20 points

Answers

The least common denominator for 1/6 and 3/4 would be 12.

If you were going to convert both of your original fractions to have this common denominator, they would be

1/6 = 2/12

3/4 = 9/12

12 is the least common denominator (lcd) for the fractions 1/6 and 3/4

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