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melisa1 [442]
2 years ago
11

Brandon is landscaping his backyard. He bought 2 7\8tons of decorative rock and 1 2\5 tons of boulders. How many total tons of r

ock did he buy?
Mathematics
2 answers:
Doss [256]2 years ago
7 0

Answer:

4 11/40 hope this helps :)

Step-by-step explanation:

BigorU [14]2 years ago
5 0

Answer:

4 11/40

Step-by-step explanation:

I had this question

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A Norman window is a rectangle with a semicircle on top. Suppose that the perimeter of a particular Norman window is to be 24 fe
tekilochka [14]

Answer:

Step-by-step explanation:

Let a is the width of the window and diameter of the semicircle and let h be height of the rectangular portion of the window

:

Perimeter:

2h + a + .5x*pi = 21

2h + 2.57a = 21

2h = 21 - 2.57a

h = (10.5-1.285a)

:

What would be the window with the greatest area;

Area = semicircle + rectangle

Radius = .5a

A = (.5*pi*(.5a)^2) + h*a

Replace h with (10.5-1.285a

A = (1.57*.25a^2) + x(10.5-1.285a)

A = .3927a^2 - 1.285a^2 + 10.5a

A = -.8923a^2 + 10.5a

Find the max area by finding the axis of symmetry; x = -b/(2a)

a = 5.88 meter is the width with the greatest area

:

Find the max area

A = -.8923(5.88^2) + 10.5(5.88)

A = -.8923(5.88^2) + 10.5(5.88)

A = -30.85 + 61.74

A = 30.89 sq/ft is max area

4 0
3 years ago
Rewrite y=4-2x in slope-intercept form.
Sindrei [870]
This is already in slope intercept from. because the slope is -2 and the y intercept is 4. so if you put it in stander form you would get y=-2x+4 
5 0
3 years ago
The LCD 2/5 and 16/25 is 25 how would u rewrite 2/5 using the LCD as the denominator
Delvig [45]
 2        2(5)        10
---- = --------- = -------
 5        5(5)        25

hope this helps :)
7 0
3 years ago
What nitrogen base sequence is the partner c-a-t-c-g-a
nataly862011 [7]

Answer: G-T-A-G-C-T

Step-by-step explanation: so A pairs with T While G pairs with C

4 0
3 years ago
The reciprocal function of tangent is: <br> a. secant <br> b. cosecant <br> c. some<br> d. cotangent
DedPeter [7]

It is cotangent

Sin-CSC

cosin-sec

tan-cot

8 0
3 years ago
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