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VikaD [51]
4 years ago
12

19b − -10b − -2b − -3b − 20b = 14 what does B=

Mathematics
2 answers:
Leona [35]4 years ago
7 0

19b-(-10b)-(-2b)-(-3b)-20b = 14

14b=14 Simplify

b=1 Divide

You are posting a lot of these types of problems. Maybe the course you are taking is to difficult for you?

timofeeve [1]4 years ago
7 0

B=1 because all of these added together =14b, so 14 times 1= 14


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If g (x) = 3x²-4, then find g (-3)
Semenov [28]

Answer:

g(-3) = 23

Step-by-step explanation:

This question is telling us that x = -3. Knowing this, we can plug x into the equation and solve to find g(-3).

g(-3) = 3(-3)^{2} -4

g(-3) =3(9)-4                      Square -3 to get 9

g(-3) = 27-4                         Multiply 9 by 3 to get 27

g(-3) = 23                               Subtract 4 from 27 to get 23

Thus, g(-3) is equal to 23.

I hope this helps! Good luck!

6 0
2 years ago
Assumptions of a regression model can be evaluated by plotting and analyzing the ____________
Gala2k [10]

The assumptions of a regression model can be evaluated by plotting and analyzing the error terms.

Important assumptions in regression model analysis are

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  4. The error terms must have constant variance. This phenomenon is known as homoskedasticity. The presence of non-constant variance is referred to heteroskedasticity.
  5. The error terms must be normally distributed.

Hence we can conclude that the assumptions of a regression model can be evaluated by plotting and analyzing the error terms.

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4 0
2 years ago
Please help me!! I am struggling... I will not accept nonsense answers!
telo118 [61]

Answer:

y = 110°

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The inscribed angle CHF is half the measure of its intercepted arc CDF

The 3 arcs in the circle = 360°, thus

arc CDF = 360° - 160° - 60° = 140°, so

∠ CHF = 0.5 × 140° = 70°

∠ CHF and ∠ y are adjacent angles and supplementary, thus

y = 180° - 70° = 110°

6 0
3 years ago
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PtichkaEL [24]
The answer is (4,-9). I just took the quiz.
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3 years ago
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VARVARA [1.3K]
Each trianglar side has an area: (1/2)*8*9=36
the base is a square with an area of 8*8=64
so the total surface area is 36+36+36+36+64=208
5 0
3 years ago
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