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vovangra [49]
3 years ago
5

Identify the cosine of y Anyone happen to know?

Mathematics
1 answer:
cricket20 [7]3 years ago
3 0

Answer:

4/5.

Step-by-step explanation:

Cosine = adjacent side / hypotenuse

So cos y = 36/45

= 4/5.

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Alex is drawing rectangles with different areas on a centimetre grid he can draw 3 different rectangles with an area of 12cmsqua
Naily [24]

Answer:

Alex can only draw a rectangle with an area of 11 cm²

The reason for the answer is that 11 is a prime number

Step-by-step explanation:

We are told that Alex is drawing rectangles with different areas on a centimeter grid, and he can draw 3 different rectangles with an area of 12 cm²

We have the minimum grid length of centimeters = 1 cm, since we assume that only integers can be used.

That is to say:

12 = 1 x 12

12 = 2 x 6

12 = 3 x 4

These are the 3 different rectangles with an area of 12 cm²

Now we have to find how many rectangles Alex could draw with an area of 11 cm²

11 = 1 x 11

Therefore, only one factorization is possible. Which means that you can only draw a rectangle with an area of 11 cm²

The reason for the answer is that 11 is a prime number, which means only the common factor of 1 and the number itself, that is, 11.

7 0
4 years ago
Quadrilateral ABCD is inscribed in this circle. What is the measure of angle c?
alexandr402 [8]
3x+x+20 = 180
4x = 180-20
4x = 160
x = 40

×+20+3x+2x+38+C=360
40+20+3×40+2×40+38+C=360
40+20+120+80+38+C=360
298+C=360
C=360-298
C =62°
4 0
3 years ago
Set G is the set of positive integers divisible by 4 and Set F is the set of perfect
Natalka [10]

<em>Greetings from Brasil...</em>

G = {4; 8; 12; 16; 20; 24; 28; 32; 36; 40; 44; 48; 52; 56; 60; 64; 68; 72; 76; 80; 84; 88; 92; 96; 100; 104; ...}

F = {1; 4; 9; 16; 25; 36; 49; 64; 81; 100; ...}

So, according to the statement, it is desired:

G ∩ F - the intersection between the 2 sets, that is, which numbers are present simultaneously in the 2 sets....

Looking at the sets we conclude that

<h2>G ∩ F = {4; 16; 36; 64; 100}</h2><h2 /><h2 />

<em>OBS: note that in truth G are the multiples of 4</em>

4 0
3 years ago
In Euclidean geometry, the sum of the lengths of 2 sides of a triangle is greater than the length of the third side. The lengths
bearhunter [10]

Answer:x \in (\frac{5}{3},\frac{19}{3})

Step-by-step explanation:

Given

length of three sides are

3x, 7\ and\ 12

according to Euclidean geometry

7+12>3x

19>3x

\frac{19}{3}>x

also

3x+7>12

3x>5

x>\frac{5}{3}

therefore value of x \in (\frac{5}{3},\frac{19}{3})

If x is an integer then x can be 2,3,4,5,6

7 0
4 years ago
What is the dollar value of 10 nickels and 1 dime? What is the dollar value of n nickels and d dimes?
svetoff [14.1K]

Answer:

10 nickels and 1 dime would be $0.60

Step-by-step explanation:

10x5 = 50+ 10 =60

6 0
3 years ago
Read 2 more answers
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