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KengaRu [80]
3 years ago
13

number sense estimate then add to find the combined of the four highways shown in the table. ls your answer reasonable?explain.

lengths of interstate highways interstate 1-90 1-10 1-70 1-80. length (miles) 3,102 2,460 2,153 2,899
Mathematics
1 answer:
ss7ja [257]3 years ago
6 0
Please explain your question more in depth next time
You might be interested in
Show me how to get this answer show your work
Rama09 [41]

We know that angle MKJ is comprised of angle MKL and angle LKJ. That means if we add MKL and LKJ, we should get 80 degrees, which is the measure of angle MKJ.

MKL + LKJ= MKJ \implies \\ 2x+10+3x-5=80 \implies \\ 5x+5=80 \implies\\ 5x=75 \implies \\ x=15

So, we know that our x is 15. That is not enough to tell whether KL is an angle bisector, because we have to evaluate both MKL and LKJ with x=15, so:

MKL=2(15)+10 = 40\\ LKJ=3*15-5=40

So we see that these two angles are actually bisectors, and the third question best describes this phenomenon.

6 0
3 years ago
Read 2 more answers
please help me i need this done today report cards are coming out this Friday i tried solving them but i can't please help mee
k0ka [10]

Answer:

156.9 pls brain list me pla

5 0
3 years ago
Please help me with question 12 :(
Nikitich [7]

Answer:

30

Step-by-step explanation:


3 0
3 years ago
Into how many segments do n points divide a given line segment?
yulyashka [42]
n points would divide a given line into n+1 segments.

Just assume that you have a line and you added a point to that line, this point would divide your line into two segments.
If you add two points to a line, these two points would divide your line into three segments.
So the number of segments is always greater that the number of points by 1.
8 0
3 years ago
Expand and simplify 4 ( y + 6 ) − 2 ( y − 2 )
elena-14-01-66 [18.8K]

[ Answer ]

\boxed{2y \ + \ 28}

[ Explanation ]

4(y + 6) - 2(y - 2)

[Expand] 4(y + 6): 4y + 24

4y + 24 - 2(y - 2)

[Expand] -2(y - 2): -2y + 4

4y + 24 - 2y + 4

[Simplify] 4y + 24 - 2y + 4: 2y + 28

= 2y + 28

\boxed{[ \ Eclipsed \ ]}

7 0
3 years ago
Read 2 more answers
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