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Zina [86]
2 years ago
12

Find the value of each measure.

Mathematics
2 answers:
IrinaK [193]2 years ago
4 0

Answer:

39

Step-by-step explanation:

4x+7=9x-33

4x-9x=-33-7

-5x=-40

x=8

4×8+7=39

gtnhenbr [62]2 years ago
4 0
39





The awnser is 39 because of math
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3 sin^{2} x +cos 2x= (5/4)<br>answer in radians
Vera_Pavlovna [14]

Answer:

I believe it's 0.540717

Step-by-step explanation:

3(sin(2))x+(cos(2))(x)=5/4

Simplify: 2.311745x=5/4

Divide: 2.311745x/2.311735=5/4/2.311745

x=0.540717

6 0
3 years ago
What is the real part of the complex number -3+9i
VikaD [51]

The real part of given complex number -3 + 9i is -3

<em><u>Solution:</u></em>

We have to find the real part of complex number -3 + 9i

A Complex Number is a combination of real Number and an imaginary Number

<em><u>The general form of complex number is:</u></em>

a + bi

Where "a" and "b" are real numbers and i is the unit imaginary number

The given complex number is:

-3 + 9i

On comparing the above complex number with general form of complex number we get,

Real part = -3

Thus real part of given complex number is -3

8 0
3 years ago
josie enjoys making strawberry milkshakes. if it takes 5 strawberries yo make one milkshake how many does she need to make 20
Vinil7 [7]

Answer:

100 strawberries

Step-by-step explanation:

multipy 5 by 20 and you'll get 100

3 0
3 years ago
Read 2 more answers
Help me on 1,2,3,5,and 6 please
arlik [135]
Since most of these are mixed number you have to convert them into improper fractions.
For an example 2 3/4 x 1/2
First you would have the convert 2 3/4
You would add 2 to 3 then multiply 2 to 4
So it would be (2x4) + 3
You keep the denominator of the originally fraction so it would be 11/4
Then to finish you would multiply straight across so
11x1= 11
4x2=8
11/8
1 3/8
Hope this helps!!
8 0
3 years ago
What is the equation of the line that is perpendicular to the line through (1,-4) and (-2,2) and passes through the x-intercept
ss7ja [257]

Answer:

y=-\frac{1}{2}x+\frac{3}{2}

Step-by-step explanation:

First, calculate the slope of the line that is perpendicular to the equation of line we are asked to find

m=(y2-y1)/(x2-x1)

  =(2-(-4))/(-2-1)

  =6/-3

  =-2

in this equation the slope is 2, and to find the first equation, use y=mx+b

use the point (1, -4) to find b

-4=(2)(1)+b

-4=2+b

b=-6

the first equation of the line is y=2x-6

to find the x intercept of that line substitute 0 for y

0=2x-6

2x=6

x=3

the slope of a line perpendicular to this would be the opposite reciprocal of the slope which would be equal to -1/2

for the second equation of the line to pass thorugh the x-intercept of the first line, it must pass through (3, 0), so substitute and solve for b

y=mx+b

0=(-1/2)(3)+b

b=3/2

thus the equation of the line that is perpendicular to the line through (1,-4) and (-2, 2) and passes through the x intercept of that line is y=-\frac{1}{2}x+3/2

8 0
3 years ago
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