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jeyben [28]
3 years ago
13

Can u help me from 1-3 SHOWING all the work also please

Mathematics
1 answer:
Artist 52 [7]3 years ago
7 0
The first question is this: the smallest square is square A, and that is 9 units. and square E is two times that, and so on.

Square A's side length is 9 units and the area is 81.
Square E's side length is 18 and the area is 324.
Square C's side length is 27 and the area is 729.
Square B's side length is 36 and the area is 1,296.
Square D's side length is 45 and the area is 2,025
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What is the volume of the cylinder?
Elenna [48]

Answer:

Option D. 882\pi\ units^{3}

Step-by-step explanation:

we know that

The volume of the cylinder is equal to

V=\pi r^{2}h

In this problem we have

r=7\ units

h=18\ units

substitute

V=\pi (7^{2})(18)=882\pi\ units^{3} -----> exact value of the volume

5 0
3 years ago
What is the effect on the graph of the function f(x) = 7x^3 when f(x) is replaced with f(x − 5)?
Otrada [13]

Answer:

translate horizontally 5 units left

5 0
2 years ago
On a coordinate plane, which point lies on the y-axis? A) (6, 6) B) (0, 6) C) (6, 0) D) (6, 6)
bezimeni [28]

Answer:

<h2>B) (0, 6)</h2>

Step-by-step explanation:

If the point lies on the y-axis then the first coordinate of the point is equal 0.

(0, y) - y is any real number.

5 0
3 years ago
Read 2 more answers
If a and b are two angles in standard position in Quadrant I, find cos(a-b) for the given function values. sin a=3/5and cos b=12
goldfiish [28.3K]

The identity in question is

cos(a - b) = cos(a) cos(b) + sin(a) sin(b)

so that

cos(a - b) = 12/37 cos(a) + 3/5 sin(b)

Since both a and b lie in the first quadrant, both cos(a) and sin(b) will be positive. Then it follows from the Pythagorean identity,

cos²(x) + sin²(x) = 1,

that

cos(a) = √(1 - sin²(a)) = 4/5

and

sin(b) = √(1 - cos²(b)) = 35/37

So,

cos(a - b) = 12/37 • 4/5 + 3/5 • 35/37 = 153/185

7 0
3 years ago
How do you know weather two quantities x and y are proportional?
Colt1911 [192]

Answer:

every difference x-y is the same for related pairs of x and y

8 0
3 years ago
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