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alexandr402 [8]
3 years ago
11

What’s the area pls help for 30 points ?

Mathematics
2 answers:
solmaris [256]3 years ago
7 0

Answer:67.5

Step-by-step explanation:

5*10=50

5*7=35    35/2=17.5

17.5+50=67.5

Anna71 [15]3 years ago
6 0

Answer:

5*10=50

5*7=35    35/2=17.5

17.5+50=67.55*10=50

5*7=35    35/2=17.5

17.5+50=67.5

Step-by-step explanation:

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Please help!!! ive been stuck on this for 30 minutes now!
max2010maxim [7]

Answer:

f^-1 = 4(x-3)

Step-by-step explanation:

If f(x) = 1/4(x) + 3 we ned to find f^-1.

To find the inverse function, we need to solve the equation for "x", as follows:

f(x) = 1/4(x) + 3

y = 1/4(x) + 3

y-3 = 1/4(x)

4(y-3) = x

Now, change the "x" for an "y". And change the "y" for an "x":

4(x-3) = y

The solution is the last one.

7 0
3 years ago
Write an addition sentence that helps you solve 15-9.​
valentinak56 [21]

Answer:

9+6=15

or

9+1+5=15

Step-by-step explanation:

6 0
3 years ago
What is the argument of -5\sqrt{3}+ 5i?
Shtirlitz [24]

Answer:

150 degrees

Step-by-step explanation:

Graphing the complex number we see the angle terminates in the second quadrant. This means the argument, the angle, will be between 90 degrees and 180 degrees.

So if we create a right triangle with that point after graphing it. We see the height of that triangle is 5 because that is the imaginary part. The base of that triangle has length 5\sqrt{3}. The problem is this doesn't give us any part of the angle we want, but it does give us the complementary of the part of the angle that is in second quadrant.

Let's find the complementary angle.

So the opposite side of the complementary angle is 5.

The adjacent side of the complementary angle is 5\sqrt{3}.

\tan(\theta)=\frac{5}{5\sqrt{3}}

\tan(\theta)=\frac{1}{\sqrt{3}}

\theta=\tan^{-1}(\frac{1}{\sqrt{3}})

\theta=30

So 90-30=60.

The answer therefore 60+90=150.

4 0
3 years ago
I have a math problem does anyone know what is. <br> 18 is 50% of____
ohaa [14]
Remember:  50% means 1/2.  So, if 18 is 50%, or 1/2, of a number, the number must be double 18.

18 x 2 = 36

18 is 50% of 36.
3 0
3 years ago
Read 2 more answers
The number of students in a book club is increasing 15% per year. If there were 21 students in the club in 2010, then how many w
Kruka [31]

The Answer is 63

Step-by-step explanation:

4 0
3 years ago
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