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IrinaVladis [17]
3 years ago
6

Last math question for today!!!!​

Mathematics
1 answer:
Alex777 [14]3 years ago
3 0

Answer: Maybe search it up?...I cant rlly see what the question says

Step-by-step explanation:

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The size of a TV is measured by its diagonal. You want to buy a TV that has a 32-inch screen and a height of 15.7 inches. What i
MrRissso [65]
Think of the space created with the diagonal line like a triangle. There are three sides. the longest side, the diagonal line is 32 inches. one of the other sides is 15.7 inches. Using Pythagoras theorem, we know that a^2 + b^2 = c^2, where c is the longest side of the triangle (32inches) and either a or b is 15.7inches. let's say that a is 15.7 inches. if we substitute these values we just assigned to a and c into Pythagoras' theorem above, we get 15.7^2 +b^2 = 32^2. we can simplify this to 246.49 + b^2 = 1024. We then subtract 246.49 from both sides of the equation to get b^2 = 777.51. we then square root both sides of the equation to get b = 27.88 (rounded to 2 decimal places). because b is the width of the TV, the width of the TV is 27.88 inches.
{a}^{2}  +  {b}^{2}  =  {c}^{2}  \\  {15.7}^{2}  +  {b}^{2}  =  {32}^{2}  \\ 246.49 +  {b}^{2}  = 1024 \\  {b}^{2}  = 777.51 \\ b =  \sqrt{777.51}  \\ b = 27.88
5 0
3 years ago
Read 2 more answers
I can send you pictures
Ivanshal [37]
Of the question or answer
6 0
3 years ago
Read 2 more answers
A quadrilateral has three angles measuring 60 º , 45 º, and 100 º . What is the measure of the fourth angle?
morpeh [17]

Answer:

155°

Step-by-step explanation:

The sum four angles is 360° so:

60°+45°+100°+x=360°

x = 360°-100°-45°-60°=155°

3 0
3 years ago
Factorise pls<br><br>any inappropriate answers will be reported<br><br><br>thanks xx
Svetradugi [14.3K]
You have to figure out the highest common factor of each set of values:
9a + 21 = 3(3a + 7)
21b - 49 = 7(3b - 7)
54 - 6c = 6(9 - c)
8a + 32b = 8(a + 4b)
4p + 28q + 8r = 4(p + 7q +2r)
84a - 36b -12c = 6(14a - 6b - 2c)
6p + 9q + 15r = 3(2p + 3q + 5r)
18s - 30t + 54u = 6(3s - 5t + 9u)
Hope this helps :)
7 0
3 years ago
Girl is 18 years old and her brother is a third her age. when the girl is 36, what will be the age of her brother? enter a numer
RideAnS [48]
The correct answer is 54
7 0
3 years ago
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