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stiv31 [10]
3 years ago
7

8x+2y=-2 y=-5x+1 Solve for x and y

Mathematics
2 answers:
Alexandra [31]3 years ago
8 0
That should be how you would solve the problem! Hope that helps:)

sp2606 [1]3 years ago
5 0
X = 2
y = -9
16 - negative 18 = -2

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A cafeteria make 2,516 pounds of rice and 608 pounds of brown rice every month. after 6 months how many pounds of rice does the
tangare [24]
Well this is were you would need to multiply the amount of pounds of rice they did and then divide the amount of months they give you!
8 0
3 years ago
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Which of the following would be the last step in evaluating the problem 7+5(6-2)%2
salantis [7]

Answer:

7+5(6-2)%2

7+20%2

7+40%

7.4

5 0
2 years ago
What is value of the digit 5 in the number 75
ycow [4]
First, think of your places. You have the ones places, tens places, hundreds places, and so on. 

The first number starting from the right is the ones, and as you keep going left, the value of each given digit becomes higher.

Since 5 is in the ones place, its value would be just 5. If it were in the tens place, it would be 50. If it were in the hundreds place, it would be 500, and so on. 

Think of it this way;

Ones is just one. If a number is in the 'ones' place, its value would be a single digit. If it were in the tens place, its value would be two digits. 
That's how it would be for each place going left. 
Every number you move to the left, its value gains a one.

So here's an example: 
5555

The value of 5 in the ones place "5555" is simply 5.

In the tens place, you end up adding one zero, so the value of the second five to the left would be, "50"

So with that said, the value of the digit 5 in the number 75 is <em>5.

</em>
Haha, hope this cleared up any confusion, and have a <em>wonderful </em>day! :)<em>
</em>
7 0
3 years ago
Read 2 more answers
Given a triangle ABC at A = ( - 1, 3 ) B = ( 1, - 1 ) C = ( 2, 2 ) and if the triangle is rotated 90 ° clockwise about the point
lidiya [134]

Answer:

The coordinates of A' are (6,6).

Step-by-step explanation:

It is given that in triangle ABC, A = (-1, 3), B = (1, - 1) and C = (2, 2).

If a point is rotated 90 ° clockwise about the point ( a,b ), then

(x,y)\rightarrow ((y-b)+a,-(x-a)+b)

It is given that the triangle is rotated 90 ° clockwise about the point ( 4, 1 ). So, a=4 and b=1.

(x,y)\rightarrow ((y-1)+4,-(x-4)+1)

(x,y)\rightarrow (y+3,-x+5)

The coordinates of A are (-1,3), So, the coordinates of A' are

A(-1,3)\rightarrow A'(3+3,-(-1)+5)

A(-1,3)\rightarrow A'(6,6)

Therefore the coordinates of A' are (6,6).

7 0
3 years ago
A grounds crew is marking out a circular logo at the center of a football field. The logo will
patriot [66]

Answer:

circumference of a circle formula is C=2*pi*r

Step-by-step explanation:

then  

141.3 = 2*pi * r

solve for r

141.3/ (2*pi) = r

22.48859 feet

diameter is  2*r

2*22.48859= 44.9771 feet

divide by 3 because there are 3 feet in one yard

44.9771/3= 14.99239 yds.  

it doesn't say to round off, but I would call this 15 yds.

Diameter is 15 yards   ± .008 yds  That's just about 1/4 of an inch

8 0
2 years ago
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