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NeX [460]
3 years ago
6

(a-y)^2 + 2y^3 if a=2 and y=-3

Mathematics
1 answer:
Brrunno [24]3 years ago
4 0

Answer:

-29

Step-by-step explanation:

(2-(-3))^2 +2(-3)^3

(2+3)^2 +2(-27)

5^2+(-54)

25-54=-29

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One angle of an isosceles trapezoid has measure 57. What are the measures of the other angles?
Kobotan [32]
\alpha =57^o\\ \\ The \ interior \ angle \ at \ the \ shortest \ base \ is \ equal \ to :\\ \\ \beta = 180^o - 57^o = 123^o



3 0
3 years ago
Read 2 more answers
using a regression calculator, what is a good prediction for the height of the tree when it is 100 years old?
mylen [45]

Correct Question:

Tim is investigating the relationship between the number of years since a tree was planted and the height of the tree in feet. His data are shown in the table. Years Since Tree was Planted vs. Height of Tree

Years since the tree was planted, x

Height of tree in feet, y

2, 17, 3, 25, 5, 42, 6, 47, 7, 54, 9, 69

Using a regression calculator, what is a good prediction for the height of the tree when it is 100 years old?

Answer/explanation:

There is no good prediction for the height of the tree when it is 100 years old. If you analyze careful in details the regression calculator you realize that it probably will not valid that far in to the future say 100 years.

6 0
3 years ago
How many solutions does this equation have?<br><br> a + 3 + 2a = -1 + 3a + 4
vekshin1
-8a+4 im pretty sure 

4 0
2 years ago
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Keith weighs 20 kg more than Beth,while henry weighs 30kg less than twice as much as Beth. If Keith and Henry weigh the same, ho
dybincka [34]

Answer:

50kg

Step-by-step explanation:

K = Keith  B = Beth  H = Henry

K = 20 + B

H = 2B - 30

K = H

20 + B = 2B - 30

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3 0
3 years ago
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Which represents the reflection of f(x)=sqrt x over the y axis
zloy xaker [14]

reflection of f(x)=\sqrt{x} over the y axis we get g(x)=\sqrt{-x}

Step-by-step explanation:

We need to find the reflection of f(x)=sqrt x over the y axis

So, reflection over y- axis

If the function f(x) is transformed over y-axis then the new function g(x) will be g(x)= f(-x)

So, finding reflection of f(x)=\sqrt{x} over the y axis we get:

g(x)=\sqrt{-x}

So, reflection of f(x)=\sqrt{x} over the y axis we get g(x)=\sqrt{-x}

Keywords: Transformations

Learn more about Transformations at:

  • brainly.com/question/2415963
  • brainly.com/question/5563823
  • brainly.com/question/9381523

#learnwithBrainly

6 0
3 years ago
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