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Minchanka [31]
3 years ago
13

What does 9x - 3 - 2y equal

Mathematics
2 answers:
Montano1993 [528]3 years ago
5 0
The answer is 6x -2y because you can’t combine like terms
vesna_86 [32]3 years ago
5 0

Answer:

9x-2y-3

Step-by-step explanation:

I don't think there's any more ways to simplify, but this is the most accurate.

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We can measure. waves with instruments
lana [24]

Answer:

Yes, we can measure waves with instruments. We can also use math.

8 0
2 years ago
Find all possible values of k so that x^2 + kx - 32 can be factored.
daser333 [38]

Answer:

Step-by-step explanation:

The posssible factors are

x^2 + 4x - 32

(x+8)(x-4)

x^2+ 14x - 32

(x+16)(x-2)

(x+32)(x-1)

x^2+31x-32

8 0
3 years ago
There are 180 girls in a mixed school. lf the ratio of girls is to boys is 4:3 , the total number of students in the school is w
Angelina_Jolie [31]

Answer:

315

Step-by-step explanation:

No. of girls be g

No. of boys be b

g= 180

g/b = 4/3

b = 3g/4

b= 3(180/4)

b= 3*45

b= 135

.

Find b+g

= 135 + 180

= 315

3 0
3 years ago
Help, please in this problem
Nikolay [14]

Answer:

x=9.768

y=6.972

Step-by-step explanation:

For this problem we have to use the trig relationships of cos and sin to figure out the lengths. Cos is equal to adjacent/hypotenuse so we can set it as x/r=.814 and since r is equal to 12 we can do 12 times .814 to get x.

We do a similar process for sin but sin is equal to opposite/hypotenuse so we can set up the equation y/r=.581 and we simply multiply both sides by 12 to get 12*.581 to get y.

Also for future reference adjacent and hypotenuse are based on the angle at use, since ∅ is on the bottom left x is the adjacent side and y is the opposite side.

3 0
2 years ago
What is the slope of the line that passes through points (6, 7) and (4, 2)?
Maslowich

The slope is 2.5!

y=2.5x-8

Hope this helps!

8 0
3 years ago
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