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9966 [12]
4 years ago
10

If a quadrilateral is a ______________________, then each _______________________ intersects the other ________________________

at its ______________________. Because this is so, we can say that the_____________________ of a ________________ also ______________________ each other.
Mathematics
1 answer:
maksim [4K]4 years ago
4 0

Answer:

If a quadrilateral is a parallelogram, then each intersects the other ________________________ at its ______________________. Because this is so, we can say that the_____________________ of a ________________ also ______________________ each other.

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The cheapest price of gas this year was $3.78 per gallon and the most expensive price was $4.15. If you know that you use about
Rina8888 [55]
For both its 47.58 for low one its 22.68 and high 24.90
3 0
3 years ago
3x+5y=-3 x-5y=-5 show your work
frez [133]
We are given the equations 3x+5y=-3 and x-5y=-5.

Both equations have a 5y  term which allows us to easily solve the system by elimination. To do so we will add the equations together like a simple addition problem by adding the x terms together, the y terms together, and the integer answers together.

3x + 5y = -3
+x - 5y = -5
---------------
4x + 0y = -8

The y terms cancel out since one is positive and one is negative. Now we can solve for x.

4x = -8

\frac{4x}{(4)} = \frac{-8}{(4)}

x = -2

Now plug -2 in for x in one of the original equations to find y.

(-2) - 5y = -5

-5y = -3

y = 3/5

Our answer as an ordered pair is (2, 3/5)
6 0
3 years ago
At a grocery store, 7 apples and 2 oranges will cost $12.80. In addition, 6 apples and 3
Pachacha [2.7K]

Answer:

Equation 1: 7x + 2y = 12.8

Equation 2: 6x + 3y = 12

Cost of 1 apple: $1.60

Cost of 1 orange: $0.80

Cost of 1 orange: $Step-by-step explanation:

Let's use the elimination method to solve this

Multiply equation 1 by 3

(7x + 2y = 12.8) x 3 = 21x + 6y = 38.4

Multiply equation 2 by -2

(6x + 3y = 12) x -2 = -12x - 6y = -24

The x terms will cancel each other out

21x + 6y = 38.4

-12x - 6y = -24

9x = 14.4

Divide by sides by 9 to isolate the x variable

9x/9 = 14.4/9

x = 1.6

This means an apple costs $1.60

Plug the new x into one of the original equations to find y; we'll use equation 1

7(1.6) + 2y = 12.8

11.2 + 2y = 12.8

Subtract 11.2 from both sides

11.2 + 2y = 12.8

- 11.2        - 11.2

2y = 1.6

Divide both sides by 2

2y/2 = 1.6/2

y = 0.8

This means an orange costs $0.80

4 0
3 years ago
A cylindrical tank has a height of 10 feet and a radius of 4 feet. Carla fills the tank with water at a rate of 8 cubic feet per
Vikki [24]
Area = 10(pi)(16) = 160pi cubic feet
160pi = 502.56
502.56/8 = 63 minutes
5 0
3 years ago
NEED to be done ASAP!!plz
Lelu [443]

Answer:

rectangle A:

LENGTH:9

WİDTH:6

rectangle B:

LENGTH:9

WİDTH:3

Step-by-step explanation:

if you want to find the length of a square you should know that in a square all 4 sides lengths are the same so the are is give as 36 to find 1 side of the length we have to divide 36 with 4(because there are 4 sides)

which means the lengths of each side is 9.

it is the same as in rectangle a and b length hasn't changed only the width has changed.

we can also find the width with the information given us about its ratio.  

it says that The ratio of area A to area B is 2:1

the length is 9:

we can make it simple like this lets say 2x and 1x has to give us 9

so we can say 3x=9,x=3

to find the width we can say that 2x width is for rectangle A and 1 x is rectangle B. so x was 3:

2x=6

1x=3

these are the widths of rectangle A and B

3 0
3 years ago
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