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Snezhnost [94]
3 years ago
14

Please help! Thanks! (:

Mathematics
1 answer:
djyliett [7]3 years ago
4 0
Ok this is simple. first, lets look at the 123 angle, so the entire line is 180. subtract 123 from 180 and you have 57. a triangle will always add up to 180 degress aswell. so add 58 and 57 and thats 115. so since a triangle will always add up to 180, subtract 115 from 180 and you have the missing angle:

65!
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The ratio of Holly's age to that her aunt is 4:9. When holly was born her aunt was 15 years old. How old is holly's aunt now?
Lyrx [107]

Answer:

27 years

Step-by-step explanation:

Let Holly's age be h and Aunt's age be a. We can setup 2 equations and solve.

1. \frac{h}{a}=\frac{4}{9}

2. a - 15 = h

We can plug in equation 2 into equation 1 to solve for aunt's age:

\frac{h}{a}=\frac{4}{9}\\\frac{a-15}{a}=\frac{4}{9}\\9(a-15)=4a\\9a-135=4a\\5a=135\\a=\frac{135}{5}=27

Holly's aunt's age is 27

3 0
3 years ago
Please help! Its a test that’s due today.
Eduardwww [97]

Answer:

it's b

Step-by-step explanation:

the denimonater is the root of the radical and the power

Hope this helps :)

3 0
3 years ago
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Snezhnost [94]
The answer is 314.16
3 0
3 years ago
Please help this is important I need to show work too! Brainliest and 20 points
aniked [119]

Answer:

10    because 5+7 is 12           12 is closer to 10 then 15  

so ten. below is your reason

Step-by-step explanation:

If i add 5+7 that will give me 12 i know that when you round you always round to the nearest tenth so i know that 12 is closer to 10 then 15 so my answer will be ten

can i please have brainliest please

have a great day!! :)

7 0
2 years ago
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zhannawk [14.2K]

Answer:

there are 10 of the other kind of cars

Step-by-step explanation:

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