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Dennis_Churaev [7]
2 years ago
6

9×8 break up into expressions

Mathematics
1 answer:
Anuta_ua [19.1K]2 years ago
5 0
9+76578=I the ready is about the long one
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Is ab perpendicular to cd ? Explain.
Afina-wow [57]
We know that
if two lines are perpendicular
then
the slopes 
m1*m2=-1

step 1
find the slope AB
A (0,2)
B (-3,-3)
m=(y2-y1)/(x2-x1)-----> m=(-3-2)/(-3-0)-----> m=-5/-3----> m1=5/3

step 2
find the slope CD
C (-4,1)
D (0,-2)
m=(y2-y1)/(x2-x1)-----> m=(-2-1)/(0+4)-----> m=--3/4----> m2=-3/4

step 3
multiply mi*m2
(5/3)*(-3/4)-----> -15/12
so
15/12 is not -1
therefore
 AB is not perpendicular to CD
4 0
3 years ago
Gail is competeting in a checkers tournament. She won 12 out of a total of 20 games. What is her ratio of wins to loses
Dmitrij [34]
The first answer is a and the second answer is d
8 0
2 years ago
Dale and 2 friends share one fourth of a cake.Each peice is the same size.Dale belives each peice of cake has an angle measure i
Umnica [9.8K]

Answer:

The correct answer is Dale is absolutely wrong.

Step-by-step explanation:

When the cake was complete, it had 360°. When the cake is divided into four halves each half now has 90° each.

Three person including Dale is about to eat the one fourth of the cake, divided among them equally.

Thus each friend gets \frac{90}{3}° = 30° of cake each.

But Dale claims that each piece of cake has an angle measure if 45°, which is a contradiction as each piece is supposed to to be equal.

Thus Dale is WRONG.

4 0
3 years ago
A taxi cab charges $1.75 for the flat fee and $0.25 for each mile. Write an in equality to determine how many miles Eddie can tr
Gnesinka [82]

Answer:

.25x+1.75=15 and x=53

Step-by-step explanation:

first subtract 1.75 from both sides

then divide by .25 on both sides

and you will get x=53

5 0
2 years ago
Mr. Sanders teaches a painting class. He makes the histogram below to summarize the number of paintings each student has complet
Andrews [41]

Answer:

Step-by-step explanation:

6

2

2/3

4 0
2 years ago
Read 2 more answers
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