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Sladkaya [172]
3 years ago
10

What is the solution 7tan^3x-21tanx=0

Mathematics
1 answer:
PtichkaEL [24]3 years ago
4 0
The final solution is all the values that make <span><span><span><span>7<span>tan<span>(x)</span></span></span><span>(<span><span>tan2</span><span>(x)</span><span>−3</span></span>)</span></span>=0</span><span><span><span>7<span>tanx</span></span><span><span>tan2</span>x<span>-3</span></span></span>=0</span></span> true
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7 less than 5 times f is 18
prisoha [69]

Answer:

2  1/5

Step-by-step explanation:

4 0
3 years ago
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Hurry as this need to done before 11PM tonight!?!?! Give answer as a fraction. A) − 23 34 B) − 49 18 C) 11 37 D) 3 11
d1i1m1o1n [39]
I'm sorry that it's past 11pm, but if it still helps, the answer is 204/-576 which simplifies to 51/-144
8 0
3 years ago
What is the probability of rolling an even number when rolling a 6-sided die?
lukranit [14]

Answer:

B.1/2

Step-by-step explanation:

Half of the numbers on a dice are even, so you have a 1 half probability of landing on an even number

7 0
3 years ago
C, G, and D are collinear. E, G, and F are also collinear. The two lines
Elodia [21]

Answer:

EG is 19 units

Step-by-step explanation:

Let us solve the question

∵ Lines CD and EF intersected at point G

∴ CD = CG + GD

∴ EF = EG + GF

∵ Line EF bisects line CD

→ That means G is the midpoint of CD

∴ CG = GD

∵ CG = 5x -1

∵ GD = 7x - 13

→ Equate them to find x

∴ 7x - 13 = 5x -1

→ Add 13 to both sides

∴ 7x -13 + 13 = 5x - 1 + 13

∴ 7x = 5x + 12

→ Subtract 5x from both sides

∴ 7x - 5x = 5x - 5x + 12

∴ 2x = 12

→ Divide both sides by 2

∴ \frac{2x}{2}=\frac{12}{2}

∴ x = 6

∵ EF = 6x - 4

→ Substitute x by 6 to find its length

∴ EF = 6(6) - 4 = 36 - 4

∴ EF = 32

∵ EF = EG + GF

∵ GF = 13

∴ 32 = EG + 13

→ Subtract 13 from both sides

∵ 32 - 13 = EG + 13 - 13

∴ 19 = EG

∴ EG = 19 units

7 0
3 years ago
The diameter of a quarter is 24.26 mm. Find the area
Vinil7 [7]
R=12.13
A=pi×r²
A=pi×12.13²
A≈462.2442041
A≈462.2 (to the nearest tenth).

So the answer is A≈462.2.
6 0
3 years ago
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