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lianna [129]
2 years ago
9

Carol says that -520/105 • 16/15 • (-1/2) is less than 2.5 . Do you agree? Explain.

Mathematics
1 answer:
aalyn [17]2 years ago
3 0
Answer is No
-520/106 x 16/15 x (-1/2) is not less than 2.5 because the answer the the equation is 2.64 and 2.64 is grater than 2.5 so Carol is wrong and I disagree
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I really really need help with this please.
11111nata11111 [884]
<span>The number of ancestors going back through the <em>5th generation</em>, including Tle-nle and counting <em>Tle-nle as the 1st generation</em> is: 

= 1 + 3 + 3^2 + 3^3 + 3^4
= (3^5 - 1) / (3 - 1)
= 242 / 2
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Since we included </span>Tle-nle as the 1st generation, we will only compute up to the 4th power. If it is until the 6th generation, add 3^5 to the equation.
8 0
3 years ago
If a and b are two angles in standard position in Quadrant I, find cos(a+b) for the given function values. sin a=8/17and cos b=1
n200080 [17]

Recall the sum identity for cosine:

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

so that

cos(a + b) = 12/13 cos(a) - 8/17 sin(b)

Since both a and b terminate in the first quadrant, we know that both cos(a) and sin(b) are positive. Then using the Pythagorean identity,

cos²(a) + sin²(a) = 1   ⇒   cos(a) = √(1 - sin²(a)) = 15/17

cos²(b) + sin²(b) = 1   ⇒   sin(b) = √(1 - cos²(b)) = 5/13

Then

cos(a + b) = 12/13 • 15/17 - 8/17 • 5/13 = 140/221

6 0
2 years ago
One piece of pizza has been removed from a large pizza pie. The shaded area shown represents the piece that has been removed.
shusha [124]

Answer:

Step-by-step explanation:

i would love to help but you need to include either the measurement or a screen shot/picture of the equation.

4 0
3 years ago
Please answer this will reward brainlest
bixtya [17]
Well 32 x 405 is 12,960, but it ask for 2 numbers added to make 12,960 so the answer is 810 + 12,150 which is 2 products that add up to the answer 12,960.
6 0
2 years ago
The time shown on the clock is 11:05 starting at this time approximately what time will it be when the hands from an obtuse angl
Sergio [31]
It'll be at 11:11 when the hands form a obtuse angle.
4 0
3 years ago
Read 2 more answers
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