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Ainat [17]
2 years ago
10

WORTH 45 POINTS AND BRAINLIST NO FAKE ANSWERS AND PLAGIARIZING

Mathematics
2 answers:
Finger [1]2 years ago
7 0

Answer:

They are both correct

Step-by-step explanation:

tan A = opposite / adjacent = 3/4   >>> A= 36.9 deg

tan C = opposite / adjacent = 4/3   >>> C= 53.1 deg

cheak:

<B+ <A + <C = 180 deg

90 + 36.9 + 53.1 = 180

180 = 180

olya-2409 [2.1K]2 years ago
6 0

Answer:

Botn are correct

Step-by-step explanation:

Tan ratio can be obtained by opposite/adjacent

Both students are correct. They have different values only because they have taken different reference angles

Rhianna has taken angle A as the reference angle,

So tanA = opposite/adjacent = BC/AB

tanA = 3/4

Christopher has taken angle C as the reference angle,

So tanC = opposite/adjacent = AB/BC

tanC = 4/3

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Artist 52 [7]

Answer:

Step-by-step explanation:

(x-7)^2

(x-7) ( x-7)

x^{2} -14x + 49

it's a perfect square function

5 0
2 years ago
Bill runs 400 meters to Andy's house,turns around,and runs 400 meters back home.what was bill displacement?
Fynjy0 [20]

Answer:

speed = distance/time

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8 0
2 years ago
How do I solve this? Please show work, thank you.
irina [24]

Answer:

a   x sqrt(7) - 49sqrt(x)

Step-by-step explanation:

sqrt(7x) [ sqrt(x) - 7sqrt(7)]

Distribute

sqrt(7x) *sqrt(x) - sqrt(7x)*7sqrt(7)

We know that sqrt(a) sqrt(b)= sqrt(ab)

sqrt(7x^2)  - 7sqrt(7^2 *x)

Now lets separate out the perfect squares

sqrt(7) *sqrt(x^2) - 7sqrt(7^2)*sqrt(x)

x sqrt(7) - 7*7sqrt(x)

x sqrt(7) - 49sqrt(x)

7 0
3 years ago
Order the numbers from least to greatest. 7.6, 7 8/21, 7 4/5, 7 2/3, 7.71
Ierofanga [76]

Answer:

7 8/21, 7.6, 7 2/3, 7.71, 7 4/5

Step-by-step explanation:

none

4 0
3 years ago
Read 2 more answers
EASY— get marked brainliest!!!
Ilya [14]

Answer:

y≥1/2 x +1

Step-by-step explanation:

first the line in the graph is bold and not dotted

so the sign is either ≤ or≥

the shaded area is on the top , on this case it is greater than

the right answer is y≥1/2 x +1

7 0
3 years ago
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