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gladu [14]
4 years ago
5

Solve: 10 sin^2(x) - 3sin(x) - 1 = 0 let u=sin(x)

Mathematics
2 answers:
serious [3.7K]4 years ago
6 0

Answer:

The answer is (2u-1)(5u+1)=0

Step-by-step explanation:

zysi [14]4 years ago
3 0

Answer:

(2u-1)(5u+1)=0

Step-by-step explanation:

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james spent half of his weekly allowance on clothes. to earn more money his parents let him clean the oven for $8. what is his w
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$15 - 8 = $7
$7 is weekly allowance
6 0
4 years ago
Simplify the expression<br><br> - 3/6 - 5/7<br><br> can you show me how?
mote1985 [20]
-3/6 -5/7

-21/42 - 30/42

-51/42

- 51/42 = - 1 9/42


hope this help
3 0
3 years ago
Hello, I wanted an answer from a mathematician. The number 1.04 is closer to the number 1, 2, 1.25 or 1.5.
nevsk [136]

Answer:

the answer is 1

Step-by-step explanation:

1.25, 2 and 1.5 are too big compare to 1

3 0
3 years ago
Joon scored 12 points out of his last 20 tries. What is the probability Joon will score a point on his next try?
Soloha48 [4]

Answer:

12/20

Step-by-step explanation:

John scored =12 points

His tries =20 tries

Probability = number of favourable outcomes / no. of all possible outcomes

Probability = 12/20

=3/5

***MARK ME AS BRAINLIEST***

3 0
3 years ago
What is f(x) = 7x2 42x written in vertex form? f(x) = 7(x 6)2 – 6 f(x) = 7(x 6)2 – 42 f(x) = 7(x 3)2 – 9 f(x) = 7(x 3)2 – 63.
ioda

The vertex form of the function f(x) is \rm f(x)= 7 ( x + 3 )^2 - 63.

<h2>Given </h2>

Function; \rm f(x) = 7x^2 + 42x

<h3>What is the vertex form of function?</h3>

The vertex of a parabola is the point at which the parabola passes through its axis of symmetry.

The standard equation which represents the vertex form of the function is;

\rm f(x) =(x-h)^2+k^2

Where h and k are vertexes of the given parabola.

The function is in vertex form;

\rm f(x)= 7 x^2 + 42 x\\\\ f(x) = 7 ( x^2+ 6 x ) \\\\ f(x)= 7 ( ( x^2+ 6 x + 9 ) - 9 ) \\\\ f(x)= 7 ( x + 3 )^2 - 63

Hence, the vertex form of the function f(x) is \rm f(x)= 7 ( x + 3 )^2 - 63.

To know more about the Vertex form lick the link given below.

brainly.com/question/9070346

6 0
2 years ago
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