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posledela
3 years ago
10

How many cups of ketchup would 13 hamburgers get if there was 3 1/4 cups of ketchup to be equally split among the 13 burgers? (i

just copied the question from my paper)
Mathematics
1 answer:
Setler [38]3 years ago
6 0
.25 cups of ketchup for each hamburger
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The perimeter of the triangle below is 99 units. Find the length of side WX.
frez [133]

Answer:

14

Step-by-step explanation:

Perimeter= 99

XV+VW+WX=99

4z+3z+1+z+2=99

8z+3=99

8z= 96

z=96/8

z= 12

WX= z+2= 12+2= 14.

Hope it helps :-)

8 0
3 years ago
90 is one tenth of what number
Elina [12.6K]
90 x 10 = 900 is the correct answer
7 0
3 years ago
Please help me :)
Tatiana [17]
Answer: the line AB and the line CD are perpendicular lines.

Explanation:

The easiest way to work this question is with a graph done at scale.

I elaborated the attached graph with the points A, B, C, and D, and the lines AB, AC, AC, and BD.

The line AB is in red, the line AC is in organe, the line CD is in green, and the line BD is in blue.

From that graph, you can discard quickly some choices, which will avoid some calculations.

The basis to answer this question are:

1) The slopes of parallel lines are equal

2) The product of the slopes of perpendicular lines is - 1, which implies that one slope is the negative inverse of the other slope.

3) Formula to calculate the slope:

slope = rise / run = Δy / Δx

So, now you can analyze each statement:

Are the line AB and line CD perpendicular?

They might be, so we must either measure the angle to check if it is 90° or calculate the slopes. I will calculate the slopes:

line AB:

slope = run / rise = (y2 - y1) / (x2 - x1) = (4 - 1) / (-2 - (-8) ) = 3 / 6 = 1 / 2

line CD:

slope = run / rise = (y2 - y1) / (x2 - x1) = (5 - (-1) ) / (- 6 - (-3) ) = 6 / (-3) = - 2

Bingo! Those slopes are perpendicular, because 1/2 * (-2) = - 1.

So, the answer to the problem is the first option: line AB and line CD are perpendicular lines.

Clearly the second option is absurd (it is the negation of the first one), the third option is also false because it is also the negation of the first one, and if you want you can calculate the slopes of the lines AC and BD, but the figure shows that they are not parallel.



Download pdf
4 0
3 years ago
Read 2 more answers
There is a spinner with 13 equal areas, numbered 1 through 13. If the spinner is spun one time, what is the probability that the
krek1111 [17]

Answer: 4/13

Step-by-step explanation:

1

2

3

4

5

6

7

8

9

10

11

12

13

4/13

So that's our answer!

5 0
3 years ago
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What is the perimeter of the polygon <br> (-3,1) (-3,-5) (5,-5) (5,1)
Leya [2.2K]

Answer:

28 units

explanation:

Find the distance between each connecting points, it’ll be a rectangle 6x8, add all sides to get the perimeter

5 0
3 years ago
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