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Delicious77 [7]
3 years ago
13

Help with this please!!

Mathematics
2 answers:
Nostrana [21]3 years ago
7 0

Answer:

C.

Step-by-step explanation:

ololo11 [35]3 years ago
7 0
X= √27
X=√(4y^2+17)/3
Y= √(3x^2-17)/4

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Cameron is trying to ear eleven dollars for some new toys. If he charges three dollars to mow a lawn how many lawns will he need
7nadin3 [17]

Answer:

Cameron need to mow 4 lawns.

Step-by-step explanation:

Cameron needs 11$ for some new toys.

But he charges 3$ to mow a lawn.

So, he needs to mow 11/3= 3.66... lawns

The number of lawns can not be decimal. So, let's round to next whole number as 4.

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2 years ago
Is 5 friends want to share 1.25 of a pizza evenly, how much pizza would each person get
JulsSmile [24]
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3 years ago
Given a triangle with verticies A(-3, 1), B(3,5), and C(5,-5). Vertify the midsegment theorem.
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2 years ago
Mrs. Del Pup bought 20 yards of border for her classroom bulletin board.
KengaRu [80]

A rectangle with dimensions x and y has perimeter 20 if

2(x+y)=20 \iff x+y=10

and we can deduce

y=10-x

So, the dimensions of the rectangle must be x and 10-x, where x ranges from 0 to 10 (both extremes are excluded, otherwise you'd have a degenerate rectangle, which is actually a segment).

So, all the possible areas are given by the product of the dimensions, i.e.

x(10-x) = -x^2+10x

The function f(x)=-x^2+10x represents a parabola, facing downwards, and thus it admits a maximum, which is its vertex.

In particular, the vertex of this parabola is given by

x=\dfrac{-b}{2a}=\dfrac{-10}{-2}=5

And it yields an area of

f(5)=-25+50=25

(a) So, she can frame a maximum area of 25 squared yards.

(b)The dimensions of the rectangle with greatest area are x=5 and y=10-x=10-5=5, so it's actually a square.

This is a well known theorem: if you fix the perimeter, the rectangle with the largest area is the square yielding that perimeter.

(c) If we increase both dimensions by 2 yards, our 5x5 square would become a 7x7 square...

(d) ...and the new area would be 7^2=49 squared yards. So, the new area is 49-25=26 squared yeards more than the old one.

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2 years ago
Write the point-slope form of an equation of the line that passes through (-2, 3) and has a slope of m = - 3.
ozzi
The answer to the question

3 0
3 years ago
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