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jasenka [17]
2 years ago
7

Which set of measurements could be the side lengths of a triangle

Mathematics
1 answer:
inessss [21]2 years ago
7 0

Answer:

Hi,

Step-by-step explanation:

(13,7,4) may not be a triangle since 13 is not little than 7+4=11
(7,10,8,) may be a triangle (7 < 10+8 , 10 < 7+8,  8 < 10+7)

(9,4,4) no since 9 is not < 4+4

(2,8,12) no since 12 is not < 2+8

The only answer is (7,10,8)

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X(21)+x(4)=300 I need solving
Genrish500 [490]

Answer:

12

Step-by-step explanation:

21x + 4x = 300         Put brackets around the first two terms.

(21x + 4x) = 300        Pull the x outside the brackets. Use the distributive property.  Combine the left

25x = 300                 Divide by 25

25x/25=300/25        Do the division

x = 12

                 

5 0
4 years ago
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Answer:

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Step-by-step explanation:

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6 0
3 years ago
Are the graphs of 2x+7y=6 and 7y = 2x +6 parallel? Explain.
avanturin [10]
With questions like this (to see if theyre parallel), all you have to do is see if lines have a congruent slope. if yes (ex: 2 and 2), then they are parallel. if the slopes are opposites (ex: 4 and -1/4), then they are perpendicular. If they have no such relation (ex: -3 and 1/7), then they are neither.

with this problem, find the slope by separating the same variable in each equations, like this:

2x + 7y = 6
-2x            -2x

7y = -2x + 6

(the second equation is already separated) so now we have

7y = -2x + 6 and 7y = 2x + 6

since -2 does NOT equal 2, these two graphs/lines are NOT parallel.
Hope this helped!
7 0
3 years ago
What is the value of 19 square root two correct to two significant number ​
vlabodo [156]

Answer:

27

Step-by-step explanation:

19√2 = 26.8701

2 sig figs is the ones place and one decimal place after (tenths place) in this problem.

Only way to find your answer is to plug 19√2 into your calc.

4 0
3 years ago
Read 2 more answers
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