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Murljashka [212]
3 years ago
13

Write a linear function f with the values f(0)=−3 and f(7)=11 A function is f(x)=

Mathematics
1 answer:
kotegsom [21]3 years ago
4 0
F(x)= 2x-3
f(0)=2•0-3=0-3=-3 ✔️
f(7)=2•7-3=14-3=11 ✔️
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We are given vertices of the triangle DEF as:

D(3, 3) , E(3, −1) , and F(−2, −5) .

Let us plot those points on the graph.

Formula of area of the triangle with vertices (x1,y1), (x2,y2) and (x3,y3).

Area = 1/2 [ (x2-x1)(y3-y1)-(x3-x1)(y2-y1)]

We have x1=3, x2=3, x3=-2, y1=3, y2 =-1 and y3 = -5.

Plugging values in formula, we get

Area = |1/2 [ 3-3)(-5-3)-(-2-3)(-1-3)]|

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=| 1/2 [0 - 20]|

= |-10|

=10.

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3 years ago
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Answer:

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

Is A because an acute triangle is a triangle where all the angles are the same.

Can not be B. because isosceles triangles have two sides that are the same which doesn't relate to angles.

Can not be C. because equilatiral triangles are triangles with sides that are all the same.

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2 years ago
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A bookstore marks up the price of a book by 25% of the cost from the publisher. Therefore, the
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Answer:

(A)

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Given:

P(x) = 1.053(x+0.25x)

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<u>The correct option is A.</u>

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