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a_sh-v [17]
3 years ago
10

Sadie computes the perimeter of a rectangle by adding the length, l, and width, w, and doubling this sum. Eric computes the peri

meter of a rectangle by doubling the length, l, doubling the width, w, and adding the doubled amounts.
Write an equation for Sadie’s way of calculating the
Mathematics
1 answer:
elena-s [515]3 years ago
6 0
I have this same problem
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Julie wants to make 800 g of a 15% alcohol solution by mixing a
monitta

Answer:

x =550

y=250

Step-by-step explanation:

.2x + .04y = 120

x + y = 800

6 0
3 years ago
3 minus a number is equal 8
krek1111 [17]

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<h2>11</h2>

Step-by-step explanation:

well is you know 8+8=16 then....3-11=8

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I'm stuck on this one! Please help
rewona [7]

Answer:

The answer is 12

Step-by-step explanation:

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2 years ago
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If E = [9, -6], what is the length of E.
Marrrta [24]

Answer:

16

Step-by-step explanation:

Interval E contains (9,8,7,6,5,4,3,2,1,0,-1,-2,-3,-4,-5,-6)

so the numbers of the interval equals 16

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3 years ago
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Find an equation of the tangent line to the graph of
lakkis [162]

Answer:

y + 4 = -3 (x - 5)

In other words,

y = -3 x + 11

Step-by-step explanation:

The slope of the tangent line to y = g(x) at x = 5 is the same as the value of g'(x). g'(5) = 3. Therefore, 3 will be the slope of the tangent line.

The tangent line goes through the point of tangency (5, g(5)). g(5) = -4. Therefore, the tangent line passes through the point (5, -4).

Apply the slope-point form of the line. The equation for a line with slope <em>m</em> that goes through point (a, b) will be y - b = m(x - a). For the tangent line in this question,

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  • a = 5, and
  • b = -4.

What will be the equation of this line?

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3 years ago
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