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s2008m [1.1K]
2 years ago
12

Tamiya's flower garden has 15 rows of 32 red rose flowers each

Mathematics
1 answer:
alisha [4.7K]2 years ago
6 0

Answer:

She has 480 red roses in total

Step-by-step explanation:

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Eric Bella Joan or Maya PLEASE HELP
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Joan did 21 is not a prime number good luck!!!
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3 years ago
The equation used to predict college gpa​ (range 0-4.0) is modifyingabove y with caret equals 0.22 plus 0.51 x 1 plus 0.002 x 2y
posledela

The college GPA for a high school GPA of 3.1 and a college board score of 500 will be 2.801

The equation to predict college GPA is :

y= 0.22+0.51x1+0.002x2

where ​x1 is high school GPA​ and x2 is college board score​.

According to the question, here x1= 3.1 and x2= 500

So, we will plug the values of x1 and x2 into the above equation..

y= 0.22+(0.51*3.1)+(0.002*500) \\ \\ y=0.22+1.581 +1\\ \\ y=2.801

So, the college GPA for a high school GPA of 3.1 and a college board score of 500 is 2.801

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3 years ago
I need to find cos z please
Svetach [21]

Answer: 61.92751306414704

Step-by-step explanation:

6 0
3 years ago
A company is manufacturing an open-top rectangular box. They have 30 cm by 16 cm sheets of material. The bins are made by cuttin
Natalija [7]

Answer:

a. (30 - 2x)(16 - 2x)x. b. length 21.2 cm , width = 7.2 cm and height x = 4.4 cm

Step-by-step explanation:

a. Let x be the side of the squares to be cut from each corner. Since we have two corners on each side, the length of the resulting box from the 30 cm by 16 cm sheet is L = 30 - 2x. Its breadth is B = 16 - 2x. The height of the resulting box is x. So its volume V = LBx = (30 - 2x)(16 - 2x)x.

b. To find the maximum value of V, we differentiate V with respect to x and equate it to zero.

So, dV/dx = 0

d(30 - 2x)(16 - 2x)x/dx = 0

-2(16 - 2x)x + (-2)(30 - 2x)x + (30 - 2x)(16 - 2x) = 0

32x + 4x² - 60x - 4x² + 480 - 60x - 32x + 4x² = 0

4x²- 120x + 450 = 0

x²- 30x + 112.5 = 0

Using the quadratic formula, we find x. So, with a = 1, b = - 15 and c = 112.5,

x = \frac{-(-30)+/-\sqrt{(-30)^{2} - 4 X 1 X 112.5} }{2 X 1} \\= \frac{30+/-\sqrt{900 - 450} }{2}\\ = \frac{30+/-\sqrt{450} }{2}\\ = \frac{30+/-21.21 }{2}\\\\ = \frac{30+21.21 }{2}   or  \frac{30-21.21 }{2}\\ = \frac{51.21 }{2}   or  \frac{8.79}{2}\\ = 25.605 or 4.395

x ≅ 25.61 or 4.4

V = (30 - 2x)(16 - 2x)x

Substituting the values of x into L and B, we have )x

L = (30 - 2x) = (30 - 2(25.61)) = 30 - 51.22 = -21.22

B = (16 - 2x) = (16 - 2(25.61)) = 16 - 51.22 = -35.22

Since L and B cannot be negative, we use the other value for x = 4.4, So

L = (30 - 2x) = (30 - 2(4.4)) = 30 - 8.8 = 21.2

B = (16 - 2x) = (16 - 2(4.4)) = 16 - 8.8 = 7.2

So V = LBx = 21.2 × 7.2 × 4.4 = 671.62 cm³

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3 years ago
Sarah has a garden. The four sides of the garden are made out of wood. The garden has four rows. In each row, there are three se
kaheart [24]
12, because 4 rows and 3 sections in each 

4x3=12
5 0
3 years ago
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