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olga2289 [7]
3 years ago
14

Gina wants to ship 3 books that weigh 2 7/16 pounds, 1 7/8 pounds, and 1/2 pound The maximum weight she can ship is 6 pounds. Es

timate to see if Gina can ship all 3 books.
Mathematics
1 answer:
mash [69]3 years ago
5 0

Answer:

  Yes, she can.

Step-by-step explanation:

2 7/16 is less than 3 (less than 2 1/2, actually)

1 7/8 is almost 2,

So the sum will be less than 2 1/2 + 2 + 1/2 = 5. This sum is less than 6, so Gina can ship as she wants.

_____

The actual total weight is 4 13/16 pounds,

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Rectangle R has varying length l and width w but a constant perimeter of 4 ft. A. Express the area A as a function of l. What do
ivanzaharov [21]
Given:
l = length of the rectangle
w = width of the rectangle
P = 4 ft, constant perimeter

Because the given perimeter is constant,
2(w + l) = 4
w + l = 2
w = 2 - l            (1)

Part A.
The area is
A = w*l 
   = (2 - l)*l
 A  = 2l - l²
This is a quadratic function or a parabola.

Part B.
Write the parabola in standard form.
A = -[l² - 2l]
   = -[ (l -1)² - 1]
   = -(l -1)² + 1
This is a parabola with vertex at (1, 1). Because the leading coefficient is negative the curve is downward, as shown below.

The maximum value occurs at the vertex, so the maximum value of A = 1.
From equation (1), obtain
w = 2 - l = 2 - 1 = 1.
The maximum value of the area occurs when w=1 and l=1 (a square).

Answer:
The area is maximum when l=1 and w=1.
The geometric argument is based on the vertex of the parabola denoting maximum area.

4 0
3 years ago
A number decreased by 4 equals -12. What is the number? _____
elena55 [62]

x - 4 = -12

I think x = -8 as if you decrease -8 by 4 it will leave us with the answer of -12

x = -8

Hope this helped,

Jon

4 0
3 years ago
William got an 85 and an 88 on the first two quizzes. What formula can William use to determine the score he needs on the third
Andrej [43]
He can use Mean Median and Range
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3 years ago
Cut 10 2/3 into 8 equal parts
Schach [20]
(12 2/3) divided by 8 = 19/12 or 1.58333333333333
8 0
2 years ago
Read 2 more answers
Sally bought 124 sheets of stickers. Each sheet had 14 stickers. She gave away 204 stickers to her family and friends on Christm
frez [133]

Answer:

Sally has 1,532 stickers remaining.

Step-by-step explanation:

First, you have to determine the total amount of stickers Sally bought by multiplying the number of sheets she bought for the number of stickers in each sheet:

124*14=1,736

Now, you have to subtract the number of stickers Sally gave away to her family and friends from the total amount of stickers she bought:

1,736-204=1,532

According to this, the answer is that Sally has 1,532 stickers remaining.

6 0
2 years ago
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