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Elena L [17]
3 years ago
5

Please help me im having so much trouble

Mathematics
1 answer:
Karolina [17]3 years ago
5 0
It would be B, an acute scalene. It would be B because all 3 sides are different.
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A triangle has side lengths of (5k - 7) centimeters, (k - 4) centimeters, and
Yuki888 [10]

Answer:

-6m and -6k

Step-by-step explanation:

(5k - 7) = -2k (k - 4) = -4k + -2k = -6k. (3m - 9) = -6m.

7 0
3 years ago
30 POINTS!!!!<br><br> What is the value of x?<br><br> 90<br> 135<br> 180<br> 225
polet [3.4K]

Answer:

180 degrees.

Step-by-step explanation:

Because the angle at the circumference is 90 degrees the arc joining the 2 other points = 180  degrees.

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4 0
3 years ago
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HELP PLS WILL GIVE A LOT OF POINT
sveta [45]

Answer:

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small = 13/2 = 6 1/2 = 6.5

Step-by-step explanation:

Let l = the weight of large boxes

s = weight of small boxes

2 large and 3 small weights 57

2l+3s = 57

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Multiply the first equation by 3

3(2l+3s) = 57*3

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Subtract the second equation

6l +9s =171

-6l -5s = -145

-----------------------

     4s =26

Divide each side by 4

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s = 26/4 = 13/2

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Multiply by 2 to get rid of the fractions

2(2l + 3(13/2)) =57*2

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Subtract 39 from each side

4l +39-39 = 114-39

4l =75

Divide by 4

4l/4 = 75/4

l = 75/4 = 18 3/4

7 0
3 years ago
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Sophie [7]

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6 0
3 years ago
Determine the geometric mean of 45 and 15​
Alenkinab [10]
I believe 30 is the answer :)
7 0
2 years ago
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