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zloy xaker [14]
3 years ago
6

Solve for x4x+6-7+9=18​

Mathematics
2 answers:
Alla [95]3 years ago
6 0

here is your ans have a nice day

Elenna [48]3 years ago
4 0

Answer:

5/2 (2;5)

Step-by-step explanation:

4x + 6 - 7 + 9 = 18

4x = 18 - 6 + 7 - 9

4x = 10

4x/4 = 10/4

x = 5/2

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What's 1+1+2 (doing this to show my aunt)
sasho [114]

Answer:

The answer would be 4

Step-by-step explanation:

You can use PEMDAS and add left to right

1+1=2

2+2=4

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3 years ago
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Which statements about the diagram are correct? Check all that apply.
AnnyKZ [126]

Answer:

(C)DC = 6 StartRoot 3 EndRoot in.

(D)AC = 12 StartRoot 3 EndRoot in.

Step-by-step explanation:

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3 years ago
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<img src="https://tex.z-dn.net/?f=6%2F5%20%28cos%28120%29%20%2B%20isin%28120%29%29%203%2F5%20%28cos%2845%29%20%2B%20i%20sin%2845
marysya [2.9K]

The product is equal to:

\frac{18}{25}(cos(165) + i*sin(165))

<h3>How to solve the product?</h3>

Remember that we can write a complex number in polar form as:

R*e^{i*a} = R*(cos(a) + i*sin(a))

Then the given product:

\frac{6}{5}*(cos(120) + i*sin(120))*\frac{3}{5}*(cos(45) + i*sin(45))

can be rewritten to:

(\frac{6}{5}*e^{i*120})*(\frac{3}{5}*e^{i*45})

Now is easier to solve the product:

(\frac{6}{5}*e^{i*120})*(\frac{3}{5}*e^{i*45})\\\\= \frac{6}{5} *\frac{3}{5} *e^{i*(120 + 45)}\\\\= \frac{18}{25}*e^{i*165}\\\\=  \frac{18}{25}(cos(165) + i*sin(165))

If you want to learn more about complex numbers:

brainly.com/question/10662770

#SPJ1

4 0
2 years ago
(Please help. I screenshot the question and choices D: )
vodka [1.7K]
The answer is yes, 1:8
8 0
3 years ago
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Two angels of triangle measure 12 and 40 what is the measure of the third angle of the triangle
yawa3891 [41]

Answer:

128

Step-by-step explanation:

all angles of a triangle will always equal 180

so, we know 2 angles

180-40

140-1128

7 0
3 years ago
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