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melamori03 [73]
3 years ago
14

Is this right ? Number 6

Mathematics
1 answer:
saveliy_v [14]3 years ago
6 0
You're right, it is 13
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Find the measure of angle a.
Ostrovityanka [42]

Answer:

a = 127°

Step-by-step explanation:

The 3 angles lie on a straight line and have a sum of 180°, that is

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3 0
3 years ago
What is the answer to<br> -2a-9=6a+15
timurjin [86]

Answer:

a=-3

Step-by-step explanation:

-2a-9=6a+15

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-2a-9+9=6a+15+9

-2a=6a+24

Subtract 6a from both sides:

-2a-6a=6a+24-6a

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Divide both sides by -8:

\frac{-8a}{-8}=\frac{24}{-8}

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4 0
3 years ago
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Just number 14. Nothing other unless u want to
Shkiper50 [21]

Answer: 4 parfaits.

Step-by-step explanation: 1/2 divided by 1/8. when you divide you flip the second fraction and multiply it so now it's 1/2 x 8/1 which is 8/2 and then is turned into 4 so 4 parfaits

Hope this helps im really good at fractions if you need anything else lol :')

6 0
3 years ago
Which statement is false?
Sidana [21]

Trigonometric functions which are related by having the same value at complementary angles are called cofunctions. Cofunctions of complementary angles are equal.

A. csc 20' = csc(90-70)=sec 70

B. cos 87' =  cos (90-3)=sin 3'

C. csc 40' =  csc(90-50) =sec50'  


D. tan 15' = tan(90-75)= cot 75'

Among all the option  c is not correct.

Option C is false.




8 0
3 years ago
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