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Lesechka [4]
3 years ago
11

Which system has no solutions?

Mathematics
1 answer:
Vesnalui [34]3 years ago
7 0
The answer would be the last choice
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What’s 20/10 simplified??
KATRIN_1 [288]

20/10 IF SIMPLIFIED IS 2/1 MEANS 2

7 0
3 years ago
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If f(x) = 2x + 3 and g(x) = x2 -1, what is the degree of [fog)(x)?<br>O 2<br>O 5<br>O 7<br>o 10​
kaheart [24]

Answer:

Step-by-step explanation:

5 0
3 years ago
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Solve 2cos(x)-4sin(x)=3 [0,360]
Korvikt [17]
2cos(x) - 4sin(x) = 3

use identity  [cos(x)]^2 +[ sin(x)]^2 = 1 => cos(x) = √[1 - (sin(x))^2]

2√[1 - (sin(x))^2] - 4 sin(x) = 3

2√[1 - (sin(x))^2] = 3 + 4 sin(x)

square both sides

4[1 - (sin(x))^2] = 9 + 24 sin(x) + 16 (sin(x))^2

expand, reagrup and add like terms

4 - 4[sin(x)]^2 = 9 + 24sin(x) + 16sin^2(x)

20[sin(x)]^2 + 24sin(x) +5 = 0

use quadratic formula and you get sin(x) = -0.93166 and sin(x) = -0.26834

Now use the inverse functions to find x:

arcsin(-0.93166) = 76.33 degrees

arcsin(-0.26834) = 17.30 degrees






3 0
3 years ago
Answer number 36 plz ✨
Nikitich [7]

it is d. d is the answer

8 0
3 years ago
P(5,3); y=4x<br><br>if you help me I will be thankful forever pls
horrorfan [7]
Y= -1/4x + 4.25, perdendicular then it must be the opposite of 4x which is -1/4. Then you multiply it with 5 and then add or subtract a number so you can find 3. So -1/4× 5 + 4.25= 3. Here you gooo!
6 0
3 years ago
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