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kow [346]
3 years ago
9

Someone pls help me ill give out brainliest pls don’t answer if you don’t know

Mathematics
2 answers:
Soloha48 [4]3 years ago
8 0

Answer:

its A between -9 and -10

Step-by-step explanation:

frosja888 [35]3 years ago
4 0

Answer:

i think it is A

Step-by-step explanation:

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Artyom0805 [142]
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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
Evaluate the function and simplify.<br><br> f(x)=6x^2 -1/x^2<br><br> f(-x)=?
forsale [732]

Step-by-step explanation:

f(-xl= 6(-x)^2 - 1/(-x)^2

=6x^2- 1/x^2

f(x)= f(-x)

It is an even function

5 0
3 years ago
I don't understand what I'm doing wrong, please help​
VashaNatasha [74]

Answer:

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when X=1

dy/dx = 4

as it is a tangent M1=M2=4

now,

at gradient 4 and point (1,1)

equation of curve is ,

y-y1= m(x-x1)

or, y-1=4(x-1)

or, y-1=4x-4

or, y-4x= -3

or, 4x-y=3

5 0
3 years ago
Read 2 more answers
How manny times can 8 go into 32?
Debora [2.8K]
8 can go into 32 four times !
4 0
3 years ago
Read 2 more answers
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