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denpristay [2]
3 years ago
13

Can someone help me with 2 last questions? Will mark brainliest!! :)

Mathematics
1 answer:
Vlada [557]3 years ago
5 0

Answer:

9) 180 = 45 + b + 3b

10) 180 = 2Y + X + Y

Step-by-step explanation:

9) a triangle's interior angle sum is 180. So you would format out the problem as:

180 = 45 + b + 3b.

10) the triangle is an isosceles triangle from the description of 2 equal angles. It states Z is twice as big as Y, so you would put it as 2Y. So the equation would be 180 = 2Y + X + Y

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Please help solve and explain this thank you
vova2212 [387]

Answer:

hi

Step-by-step explanation:

4 0
3 years ago
Johnny is selling tickets to a school play. On the first day of ticket sales he sold 14 senior citizen tickets and 4 child ticke
FrozenT [24]

Johnny is selling tickets to a school play. On the first day of ticket sales he sold 14 senior (S) citizen tickets and 4 child (C) tickets for a total of $200. On the second day of ticket sales he sold 7 senior (S) citizen tickets and 1 child (C) ticket for a total of $92. What is the price of one child ticket?

14S + 4C = 200

14S = 200 - 4C

S = (200 - 4C)/14

7S + 1C = 92

7S = 92 - C

S = (92 - C)/7

(200 - 4C)/14 = (92 - C)/7

7 x (200 - 4C) = 14 x (92 - C)

1400 - 28C = 1288 - 14C

1400 - 1288 = 28C - 14C

112 = 14C

C = 112/14 = 8

the price of one child ticket = $8

8 0
3 years ago
A 8 ft tall cardboard box standing next to a man casts a 20 ft shadow. If the man casts a shadow that is 15 ft long, then how ta
Nataliya [291]

Answer:

The answer is that he would be 27 ft tall

7 0
3 years ago
Paul currently has $300 to spend on a data plan. He found a phone for $100 and a $50 a month charge.
zvonat [6]
Let x= months
So 50x is the total amount he pays after x months. You went to add 100 to this because there's a fixed cost of 100 for the phone
So you have the expression 100+50x which is the amount he pays after x months
Since he has a limit of 300,
100+50x < 300
3 0
3 years ago
If f (1) = 5, then (1, 5) is an ordered pair of function f . <br><br> True<br> False
makkiz [27]

Answer:

true

Step-by-step explanation:

i hope that helped you

5 0
3 years ago
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