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tensa zangetsu [6.8K]
3 years ago
14

Help please and thank you

Mathematics
1 answer:
Otrada [13]3 years ago
3 0

Answer:

For the first one im pretty sure its 81

For the second one, Im pretty sure its 30.

sorry if theyre wrong... :(

Step-by-step explanation:

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What is the value of this​
frez [133]

Answer: 5.0625 or 5 1/16

Step-by-step explanation:

im smart

3 0
3 years ago
A data set whose original x values ranged from 120 through 351 was used to generate a regression equation of ŷ=0.06x + 14.2. Use
lawyer [7]

Answer:

35.32

Step-by-step explanation:

The regression equation usually demonstrated as

y=a+bx.

In the above equation y is the dependent variable, x is the independent variable, a is the intercept of regression line and b is the slope of regression line.

The given regression equation is

y^=0.06x+14.2

The predicted value of y can be computed by simply putting the value of x in above equation.

So,

y^=0.06(352)+14.2

y^=21.12+14.2

y^=35.32

Thus, the predicted value of y for x=352 is 35.32.

6 0
4 years ago
What is the value of n?<br> A.81<br> B.85<br> C.38<br> D.47
Liula [17]

Answer:

B

Step-by-step explanation:

∠ABC= 180° -142° (adj. ∠s on a str. line)

∠ABC= 38°

∠BAC= 180° -133° (adj. ∠s on a str. line)

∠BAC= 47°

∠ACB= 180° -38° -47° (∠ sum of △)

∠ACB= 95°

n°= 180° -95° (adj. ∠s on a str. line)

n°= 85°

n= 85

6 0
3 years ago
What is -7/2y = 21/2 what is the solution_______? Brainliest is on the mark if 10 point will be added as well!
miss Akunina [59]

Answer:

y= -3

Step-by-step explanation:

(-7/2)y  =21/2

Divide both sides by (-7/2) = Multiply by (-2/7)

On the left side ,after cancellation you have only  y

On the right side you multiply 21/2 by (-2/7)

y= (21*-2) / 2*7

y=(-42)/14

y=(-21)/7

y=- 3    

check:

-(7/2) of- 3 is  10.5         21/2=10.5

7 0
4 years ago
F(x) ={-2x+4 ifx ≤2<br> {2x - 4 if x &gt; 2<br> is continuous at x = 2.
Gennadij [26K]

Answer:

Step-by-step explanation:

the answer is 3x+2y=16x

4 0
2 years ago
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