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larisa [96]
2 years ago
9

Calculate each unknown side length. Round your answer to the nearest tenth.

Mathematics
1 answer:
Drupady [299]2 years ago
3 0
To answer this you need to use the Pythagorean theorem, the first part it 4^2+x^2=7^2 so the answer to the bottom x is 5.7. Your next step is to do the Pythagorean theorem for the whole triangle so your equation would be 10^2 + 5.7^2= x^2 once you solve that you will get 132.49 which you need to take the square root of. Once you will do that you will find the other x = 11.5
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Find the 66th term in the following arithmetic sequence: -92,-85,-78,-71,.......
grandymaker [24]

9514 1404 393

Answer:

  363

Step-by-step explanation:

The n-th term of an arithmetic sequence is given by ...

  an = a1 +d(n -1)

Here, the first term (a1) is -92, and the common difference is (-85 -(-92)) = 7. The 66th term is ...

  a66 = -92 +7(66 -1) = -92 +455

  a66 = 363

5 0
2 years ago
A 7-foot tall stop sign creates a shadow that is 2 feet long. At the same time, a utility pole creates a shadow that is 11 feet
VladimirAG [237]
About 3.14/the answer is much longer but what you do is 7 divided by 2 that gives 3.5 you can check this by dividing 2/3.5 that gives you 7 then take 11/3.5 that will give you a very long number
7 0
3 years ago
12.83333 round to the nearest whole number
xeze [42]

Answer:

I think the nearest whole number for is 12.83333 is 13 because if we round it we got 13.

5 0
2 years ago
Read 2 more answers
Celeste wants to have her hair cut and permed and also go to lunch. She knows she will need $68. The perm costs twice as much as
fgiga [73]
Total is 68 and the perm is 2 times as much as her haircut and her lunch is $5
so...
2h+h+5= 68 (add like terms)
3h+5 = 68    (subtract 5 from both sides)
      -5   - 5
3h = 63 (divide by 3)
h= 21
so if her haircut is 21 dollars
21*2= $42
her perm cost 42 dollars
8 0
3 years ago
84,000 of food for 80 soldiers for 60 days How long would the food last 20 more soldiers joined​
larisa [96]

Answer:

If 20 more soldiers join it would last 48 days

Step-by-step explanation:

if 80 soldiers need 84000 food for 60 days it means that in 60 days one soldier eats 84000/80= 1050 each

then 1050/60=17.5 meaning they need 17.5 food a day each,

adding 20 soldiers means 80+20= 100 soldiers

100*17.5=1750 food is eaten every day

84000/1750= 48 which means that 100 soldiers will eat 84000 in 48 days

5 0
2 years ago
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