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Murrr4er [49]
3 years ago
11

Find all solutions of the equation 2\cos 3x =1 in the interval [0,\pi). x1= x2= x3=

Mathematics
1 answer:
Anestetic [448]3 years ago
3 0

Answer:

x1= pi/9

x2=5pi/9

x3=7pi/9

Step-by-step explanation:

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N/-3-2=8 how do I solve this
Gnom [1K]

Answer:

n=-30

Explanation:

Given the equation:

\frac{n}{-3}-2=8

Step 1: Add 2 to both sides.

\begin{gathered} \frac{n}{-3}-2+2=8+2 \\ \frac{n}{-3}=10 \end{gathered}

Step 2: Multiply both sides by -3.

\begin{gathered} \frac{n}{-3}\times-3=10\times-3 \\ n=-30 \end{gathered}

The solution to the equation is n=-30,

6 0
2 years ago
Marco paid $36.89 for 8.6 gallons of gas.  What is the price per gallon?
Semenov [28]
36.89 total divided by the 8.6 gallons he bought = 4.2 so the price per gallon would be $4.20
6 0
3 years ago
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Identify the GCF of 6x^2y^2 − 8xy^2 + 10xy
myrzilka [38]

Answer:

The GCF for the numerical part is 2

Step-by-step explanation:

6x^2y^2-8xy^2+10xy

It contains both numbers and variables, there are two steps to find the GCF(HCF).

1). Find the GCF for the numerical part 6, -8,10

2). Find the GCF for the variable part x^2,y^2,x^1,y^2,x^1,y^3

3).Multiply the values together.

Find the common factors for the numerical part:

6,-8,10

Factors of 6

6: 1,2,3,6

Factors of -8

-8: -8,-4,-2,-1,1,2,4,8

Factors of 10

10:1,2,5,10

Common factors of 6,-8, 10 are 1,2

The GCF Numerical=2

The GCF Variable= xy^2

Multiply the GCF of the numerical part 2 and the GCF of the variable part xy^2, and you'll get 2xy^2

6 0
2 years ago
Answer this and I’ll make you Brainly!
sveticcg [70]

Answer:

A. f(x)=9x+4

Step-by-step explanation:

Function is f(x) =9x+4, because if x=1, then f(1)=9*1+4=9+4=13;

if x=5,then f(5)=9*5+4=45+4=49

3 0
3 years ago
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Donna bought 3 bags of dog treats for $8.40. What is the cost per bag of dog treats?
Fittoniya [83]
2.8 is the andwer because when you divide 8.40 divide 3 it is equal to 2.8
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3 years ago
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