3 years ago

190 + 200 its IMPOSSIBLE

Mathematics

2 answers:

nirvana33 [79]3 years ago

5 0

Answer: 390

Step-by-step explanation:

iris [78.8K]3 years ago

4 0

You’re making me nervous with this one

390?

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When measuring forecast error, which forecasting error expresses the forecast error as a percentage from the mean?

oee [108]

Mean Absolute Percent Error, MAPE

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3 years ago

aflati masurile a doua unghiuri complementare stiind ca masura unuia dintre ele este cu 18° mai mica decat triplul masurii celui

Ahat [919]

Answer:

The angle is "27 and 63".

Step-by-step explanation:

Let A and B are two angles, in which A is " $\frac{1}{2}$ " complementary angles and B be is another complementary angle.

Condition of complementary angle :

$A+B =90 ......(i)$

Solution:

$\ A = \ 3B - 18 \\\\ \ put \ the \ value \ of \ A \ in \ equation.....(i) \\\\ \ Equation: \\ \\\Rightarrow \ A\ +\ B \ =\ 90 \\\\\Rightarrow \ 3B\ -\ 18 \ + \ B \ = \ 90 \\\\\Rightarrow \ 4B \ = \ 90 +18 \\\\\Rightarrow \ 4B = 108 \\\\ \Rightarrow B = \frac{108}{4} \\\\ \Rightarrow B \ = \ 27\\$

$\ put \ the \ value \ of \ B \ in \ equation (i).\\\\ \ Equation: \\\\\Rightarrow A+B=90\\\\\Rightarrow A+27=90\\\\\Rightarrow A=90-27\\\\\Rightarrow A= 63$

7 0

3 years ago

What’s the answer for x??

zubka84 [21]

Answer:

3x+85= 21

or, 3x= 85- 21

or, 3x= 64

or,x= 64/3

;. x= 21.3

Step-by-step explanation:

the value of x is 21.3

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3 years ago

What is 75% of 90? Round the answer to the nearest tenth.

Ludmilka [50]

Answer:

67.5

Step-by-step explanation:

90 x 75 / 100 = 67.5

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3 years ago

If d = 20 and c = 20pi then is it. D=1 D=100 D=12 D=1/4 R =10 R=13

adoni [48]

I am pretty sure it is 10.
Just please double check.

Hope I helped!!!! :)

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3 years ago