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SOVA2 [1]
3 years ago
11

I need help! I can't figure out how to do this! So, can you help me?​

Mathematics
2 answers:
Tanzania [10]3 years ago
8 0

Answer:

5 - x=90°

6- angle c= 75°

7- angle a = 90°

Ksenya-84 [330]3 years ago
8 0

Answer:

c = 75

Step-by-step explanation:

All triangles add up to 180. Add the two angles which you have, and then subtract that from 180. that will be your third angle value.

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Lunna [17]
18/2=9
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Formula for circle:
\pi times radius squared
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pi*81
pi~3.14
3.14*81=
254.34
8 0
3 years ago
Ling must spend no more than $40.00 on decorations for a party. She has spent $10.00 on streamers and wants to buy bags of ballo
VARVARA [1.3K]

Answer:

Ling can buy 12 bags of balloons, but no more.

A

Step-by-step explanation:

4 0
2 years ago
Solve using Pythagoras Theorem (please)​
aleksklad [387]

Answer:

HA = 16.2 m

DE = 17 m

Step-by-step explanation:

From the base of the cuboid, HDA will form a right angle triangle, where;

DA = 15 m

HA = 6 m

HA is the hypotenuse

Using pythagoras theorem;

HA = √(15² + 6²)

HA = √(225 + 36)

HA = √261

HA = 16.155 m

Approximating to 1 decimal place gives;

HA = 16.2 m

Similarly, HDE will also form a right angle triangle.

Thus;

DE = √((HD)² + (HE)²)

HD = 16.2 m

HE = 5 m

Thus;

DE = √(16.2² + 5²)

DE = 16.95 m

Approximating to 1 decimal place gives

DE = 17 m

3 0
3 years ago
5 more than twice x (algebraic expression)
goldenfox [79]
5 + 2x 

hope this helps and give brainliest thanks !
3 0
3 years ago
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A top is on sale for 30% off. If the top was originally $18.50, what is the sale
bearhunter [10]

Answer:

it will be $12.6 dollars

Step-by-step explanation:

5 0
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