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Lynna [10]
3 years ago
5

A triangle has an angle that measures 80°. The other two angles are in a ratio of 9:11. What are the measures of those two angle

s?
Mathematics
1 answer:
Alekssandra [29.7K]3 years ago
5 0

Answer:

The answer is 45° and 55 °.

180° - 80° = 100°

Then add the two numbers from the ratio:

9 + 11 = 20

The divide 100 from 20.

100 ÷ 20 = 5

Then multiply it to two numbers from the ratio:

9 × 5 = 45 and 11 × 5 = 55

I hope it helps.

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adult tickets to a play cost $22. tickets for children cost $15. tickets for a group of 11 people cost a total of $228. write an
Tom [10]

Adults = 9

Children = 2


Let x be the number of adults.

11-x is the number of children.


22x + 15(11-x) = 228

22x + 165 - 15x = 228

22x - 15x = 228 - 165

7x = 63

7x / 7 = 63 / 7

x = 9  number of adults.


11 - x = 11 - 9 = 2 number of children.


To check:


22x + 15(11-x) = 228

22(9) + 15(11-9) = 228

198 + 30 = 228

228 = 228


(not my answer btw)

3 0
3 years ago
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The length of a side of a square field is 48m.Find the cost of ploughing the field at the rate of rs 25/m and cost of fencing th
brilliants [131]

Answer: rs 4800, rs 3456

Step-by-step explanation:j

given data:

length of a sid = 48m

cost of ploughing the field = rs 25/m

cost of fencing the field = rs 18/m

solution:

we know a square has four equal sides. so total length of the field is

= m ( 48 + 48 +48 + 48 )

= 192m

cost of ploughing the field

= 192m * rs 25

= rs 4800

cos of fencing the field

= 192m * rs 18

= rs 3456

8 0
3 years ago
5x - 4y = 0 in point intercept form
Contact [7]

Answer:

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Step-by-step explanation:

6 0
3 years ago
Rice costs $x per kilogram.
liq [111]

Answer:

$1.3

Step-by-step explanation:

12x+7x+7=31.7

x=1.3

PLS GIVE BRAINLIEST

4 0
3 years ago
What value of n will make 35 - n = 25 TRUE ? <br> A.) 5 <br> B.) 9<br> C.) 10<br> D.)15
photoshop1234 [79]
C. 10. you can calculate this by adding n to both sides to get 35=25+n and then subtracting 25 from each side to get n=10. 
6 0
3 years ago
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