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goblinko [34]
2 years ago
14

Really struggling on this

Mathematics
1 answer:
navik [9.2K]2 years ago
5 0
Angle 4 would be 77degrees because angle two is vertical to angle four.

Angle 3 and Angle 1 are equal because they are vertical to each other.

You would subtract 180 (degrees) minus 77 (degrees) and get 103 (degrees).

So Angle 3 and Angle 1 would both be 103 degrees.

You would get 180 degrees from the line.

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Eleanor has £50. Trevor takes £y. Write an expression for how much Eleanor has got left.
Sunny_sXe [5.5K]

Answer:

50-y

Step-by-step explanation:

Hope this helps :).

3 0
3 years ago
A cube with 2 inch sides is placed on a cube with 3 inch sides. Then a cube with 1 inch sides is placed on the 2 inch cube. What
Taya2010 [7]

Answer:

let's try the "Divide and Conquer" method, that is we break down the problem into pieces and solve each piece until we arrive at the answer.

the formula for the surface area of the cube is:

SA = 6s^2; s is the length of one side of the cube

for the 3-inch cube

SA = 6(3^2)

SA = 6(9)

SA = 54 in^2

note however, that the actual surface area is less the area occupied by the 2-inch cube place on the 3-inch cube, which is

A = s^2; since this is a square

A = 2^2

A = 4 in^2

the actual SA (aSA) therefore of the 3-inch cube is

aSA = 54 - 4 = 50 in^2

for the 2-inch cube

SA = 6s^2

SA = 6(2^2)

SA = 6(4)

SA = 24 in^2

to solve for the actual SA of the 2-inch cube, we subtract the area which is in contact with the 3-inch cube and the 1-inch cube

aSA = 24 - 2^2 - 1^2

aSA = 24 - 4 - 1

aSA = 19 in^2

for the 1-inch cube

SA = 6s^2

SA = 6(1^2)

SA = 6 in^2

the actual surface area is less the area in contact with the 2-inch cube

aSA = 6 - 1^2

aSA = 5 in^2

the surface area of the three cube tower will just be the sum of the aSA of the three cubes

SA = 50 + 19 + 5

SA = 74 in^2   ans

Step-by-step explanation:

5 0
3 years ago
RNA has a double helix like DNA. True or False
geniusboy [140]
False. RNA is half of a DNA strand.
8 0
3 years ago
Read 2 more answers
Two more than a number equals three times the sum of one third of the number plus six. Is this statement true for only one numbe
Ulleksa [173]

Answer:

Step-by-step explanation:

n + 2 = 3(1/3n + 6)

n + 2 = n + 18

NO NUMBERS....because this equation has no solution

4 0
3 years ago
Someone please answer!
Yakvenalex [24]

Answer:

m = -2

Step-by-step explanation:

To find the slope of a line, use the equation:

m = y2 - y1 / x2 - x1

Then, substitute in values:

m = 54 - 58 / 2 - 0

m = -4 / 2

m = -2

6 0
3 years ago
Read 2 more answers
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