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pentagon [3]
3 years ago
12

Find the area between the curves x=-2,x=3,y=4x,y=x-5

Mathematics
1 answer:
mixas84 [53]3 years ago
5 0
Those are all lines...

So the x interval is from -2 to 3, because of x=-2 and x=3

The upper line is y(u)=4x and the lower line is y(l)=x-5

So the area between the two lines is:

A=⌠y(u)-y(l) dx

A=⌠4x-x+5 dx

A=⌠3x+5 dx

A=[3x^2/2+5x]

A=[(3x^2+10x)/2], x=[-2,3]

A=(1/2)(27+30-(12-20))

A=(1/2)(57+8)

A=(1/2)(65)

A=32.5 u^2
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I need help thank you
Andreyy89

Answer: A

Step-by-step explanation:

For this problem, we need to understand how translations work.

As you can see, the triangles only slide to the right side, along the x axis. Therefore, we can eliminate B and C.

Now, we can see that the triangle has shifted by +8 units. Therefore, A is the correct answer.

7 0
3 years ago
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Maksim231197 [3]

\huge \tt༆ Answer ༄

The respective terms used for the lines are ~

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3 0
3 years ago
Read 2 more answers
Identify the equation that dose not belong with the other three explain your reasoning pls
arsen [322]
If you take a moment and solve each equation (find the value
of the letter in each one), it'll jump out at you.

Here, let me do it for you.  Why should you tire yourself.

5x = 20 . . . . . x = 4

4b = 7 . . . . . . b = 7/4

8w = 32 . . . . . w = 4

12y = 48 . . . . . y = 4

The second equation is not like the others.
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5 0
3 years ago
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Is 16/3 rational or irrational?
Rudik [331]
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Irrational numbers cannot be expressed as fractions made up of whole numbers.
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3 years ago
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Help me plz asap i need the first question dont answer till u see file
nika2105 [10]
Okay, so with the link we can tell this:

flour and baking soda are equal ratios
salt is one half the ratio of flour/baking soda

A: correct
flour and baking soda as equal ratios

B: incorrect
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C: correct 
salt is at a correct ratio to baking soda

D: incorrect
salt is at an incorrect ratio to baking soda

E: correct
baking soda is at a correct ratio to salt

answers: A, C , E
8 0
3 years ago
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