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Rainbow [258]
4 years ago
15

Ms. Brack wants to hang a bulletin board with

Mathematics
1 answer:
Eduardwww [97]4 years ago
7 0

Answer:

He needs 8.75 ft² polka dot paper to cover the board.

Step-by-step explanation:

How much polka dot paper she need to cover the board is the area of the board . The is a rectangle with length 3.5 ft long and width of 2.5 ft wide .

The area of the board(rectangle) = length × width

Area = LW

where

L= 3.5 ft

W = 2.5 ft

Area = 3.5 × 2.5

Area = 8.75 ft²

He needs 8.75 ft² polka dot paper to cover the board.

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Answer:

The third options

Step-by-step explanation:

Counting we can see that 10 students went to two or less states, and 10 went to three or more

6 0
3 years ago
Read 2 more answers
Given that P(x)=2x²+5x-5
IRISSAK [1]

Answer:

(i) P(\frac{1}{2}) = 2*(\frac{1}{2})^2 + 5*\frac{1}{2} -5

          =\frac{1}{2} +\frac{5}{2} -5\\\\=3-5 = -2

(ii) P(3) - Q(2) = 2(3^2)+5(3)-5 -[4(2^2) +3(2) +2]

                       = 18 + 15 -5 -16-6-2= 28-24 =4

(iii) P(x)\cdot Q(x) = (2x^2+5x-5)(4x^2-3x+2)

                      =2x^2(4x^-3x+2) +5x(4x^2-3x+2)-5(4x^2-3x+2)\\\\=8x^4 -14x^3 -11x^2 -10x-20x^2+15x-10\\\\=8x^4 - 14x^3 -31x^2 +5 -10

(iv) P(x) + Q(x) = 2x^2 +5x -5 + 4x^2 -3x +2

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3 0
4 years ago
Evaluate the function for the given value.<br> h(a) = 3a + 3<br> Find h(7).
s2008m [1.1K]
3(7)+3
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Answer
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3 0
3 years ago
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Which of the following rational functions is graphed below?​
yawa3891 [41]

Answer:

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Step-by-step explanation:

In order to find the equation of the function, when the graph is already known to us in the question, we can use the various coordinates points through which the curve is passing from. The various Asymptotes of the graph can be used to find the expression in the denominator of the function.

So here the graph is of the form:

y=1/((x-a)(x-b))

Now when the value of x=-6 and x=6, we have the vertical asymptote, so at x=-6 and x=6 is where the vertical asymptotes lies.

Thus, we have a=6, b=-6.

And hence, the function whose graph is given will be

y=\frac{1}{\left(x-6\right)\left(x+6\right)}

which is given by option A.

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3 years ago
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