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sleet_krkn [62]
3 years ago
8

How can I solve and start ?

Mathematics
1 answer:
dsp733 years ago
6 0
Ok so u have to set them equal to 180 bc they r supp lines so 1.15+x=180 sub 15 from both sides x=165
2.28+x-4=180 combine like terms 28-4=24 rewrite 24+x=180 den sub 24 from both sides x=156
I will put the rest in the comments if you still don't know
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Which data corresponds to the function y=4x-6
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The area of a square patio is 49^3 square inches. find the length of one side of the patio. Please show work.
Hatshy [7]
A = l × w
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Harris said that 15 X 9 is equivalent to 45 X 3 because you can multiply one dimension by three and divide the other dimension b
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What is 34,696 to 2 significant figures?
gavmur [86]
Heres a trick a friend of mine taught me,
When trying to find the number of sig. figs. in a number, first check for a decimal point.
If there is not a decimal point (as in this case) then count each digit from right to left, starting at the first non-zero digit.
Example 1: 34,696 it would be 5 significant figures (6, 9, 6, 4, 3)
Example 2: 34,600 would be 3 sig figs (6, 4, 3), the two 0's in this number do not count as sig figs.

If there IS a decimal point, then count from left to right starting from the first non-zero digit.
Example 1: 0.0001 would be one significant figure (1)
Example 2: 1.02345 would be six sig figs, (1, 0, 2, 3, 4, 5)

Now back to the actual question...
If you were to estimate 34,696 to 2 sig figs, then according the the rules of estimating, because the '6' in the hundreds place is greater or equal to 5, the next digit (in the thousands place) must have one added to it.
So 35,000 would be the proper way to round 34,696.

How to check: Count from left to right, the first non-zero digit is 5, so (5, 3).

Hope this helps! :D
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