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OLEGan [10]
3 years ago
5

Are ac and be congruent explain?

Mathematics
1 answer:
anzhelika [568]3 years ago
4 0
AC is a line with length of 7 units, from -7 to 0 

BE is a line with length of 6 units, from 0 to 6

Two shapes are congruent if their length are the same, hence AC and BE is not congruent
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an adult elephant drinks about 225 liters of water each day. Is the number of days the water supply lasts proportional to the nu
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7 0
3 years ago
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What is the best estimate of 28 × 4,417?
Maru [420]

Answer:

132600

Step-by-step explanation:

I was always taught like this, and this should be the best estimate:

28 x 4417 --> 30 * 4420 --> 132600

Some other possible estimates with simpler values:

30 * 4400 --> 132000

30 * 4500 --> 135000

30 * 4000 --> 120000


4 0
3 years ago
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Which ordered pair is a solution to the system of equations?
iren2701 [21]

(- 2, - 3) is a solution to the given system of equations.

Answer: Option D

<u>Step-by-step explanation:</u>

Given equation are not presented in proper format. So, let assume the given system of are as below,

         2 x - y = -1

         2 x -4 y = 8

Now, subtract the second equation from the first, we get

          (2 x - y) -(2 x - 4 y) = -1 -8

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           y = -3 (obtained this when divide by 3)

Substituting y = - 3 into the first equation, we get

          2 x - (-3) = - 1

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Now, the answer is (x, y) = (- 2, - 3)

3 0
3 years ago
This is about angles. Please answer someone?
NISA [10]
Actually, this is not about angles.  It's about the length of the sides in a right triangle.

In EVERY right triangle, the squares of the lengths of the short sides add up
to the square of the length of the longest side.  You're in high school math,so
I'm SURE you've heard that in class before ... possibly even just before you
were assigned this problem.

Let's say that again:  The squares of the lengths of the sides that meet at
the  right angle add up to the square of the length of the longest side.  In
the triangle in this particular problem, that means
                                                                             a² + b² = c²

You know the lengths of 'b' and 'c', so you shouldn't have any trouble finding
the length of 'a'.
4 0
3 years ago
A number decreases from 25 to 8, what is the percent of decrease?
noname [10]

Answer:

68%

Step-by-step explanation:

25-8=17

17/25=0.68

68%

Hope this helped :)

4 0
3 years ago
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