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horsena [70]
3 years ago
14

Please help me..please

Mathematics
1 answer:
myrzilka [38]3 years ago
6 0
Why are you asking me for help
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Find 'x' in the following ​
Juli2301 [7.4K]

Answer:

x = 130

Step-by-step explanation:

Sum of all the angle of quadrilateral = 360°

50 + 45 + 35 + ∠ADC = 360

                130 + ∠ADC = 360

                         ∠ADC = 360 - 130

                         ∠ADC = 230

x = Reflex ∠ADC

  = 360 - 230

  = 130

6 0
3 years ago
Read 2 more answers
What is 2 3/5 multiplied by 2 as a mixed number or fraction
Bond [772]

Answer:

5 1/5

Step-by-step explanation:

2 3/5 * 2= 5 1/5


mark brainliest  :)

7 0
3 years ago
Simplify: (-3x^3+2x^2+4x)-(8x^4-5x^3+6x^2-2x
sergejj [24]

Answer:

−8^4+2^3−4^2+6

Step-by-step explanation:

Distribute the - to 8x^4-5x^3+6x^2-2x:

-8x^4+5x^3-6x^2+2x

Now simplify:

-3x^3+2x^2+4x-8x^4+5x^3-6x^2+2x= −8^4+2^3−4^2+6

Hope this helps!

3 0
2 years ago
3/5 of the students in a classroom are girls. If there are ten boys in the class, how many total students are there?
Varvara68 [4.7K]
The answer is A. 15.
7 0
3 years ago
BRAINILEST!!!Which is the simplified form of ?
KATRIN_1 [288]
Apply the negative exponent rule, so move the expression to the denominator to make the exponents positive.

Your answer is:

1
--------------
r^7 + s^12
6 0
3 years ago
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