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sammy [17]
3 years ago
10

What is the solution 2.8y + 6 + 0.2y = 5y – 14

Mathematics
1 answer:
Alborosie3 years ago
8 0
The answer to the question

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How do you do this??
AfilCa [17]

You do

6 over 7 multipled by three.

You multiply 6 and 3= 18

7x1=7

18/7 is the answer

or 2 4/7


5 0
3 years ago
Simplify the expression 1/√(1-cos^2 x) . Remember cos x= 1/csc x
Cerrena [4.2K]
First, we are going to use the Pythagorean identity: sin^2(x)+cos^2(x)=1 to rewrite our expression. Solving for sin^2(x) in our Pythagorean identity  we get that sin^2(x)=1-cos^2(x), so we can rewrite our expression as follows:
\frac{1}{ \sqrt{1-cos^2(x)} } = \frac{1}{ \sqrt{sin^2(x)} } = \frac{1}{sin(x)}

Next, we are going to use the trig identity: csc(x)= \frac{1}{sin(x)} to completely simplify our expression:
\frac{1}{sin(x)} =csc(x)

We can conclude that \frac{1}{ \sqrt{1-cos^2(x)} }=csc(x)
3 0
3 years ago
Enter a linear equation that models the situation.
balu736 [363]

Answer: 1.30p + 3n = 35

Step-by-step explanation:

3 0
3 years ago
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What does -5+3x equals
SCORPION-xisa [38]

Answer:

10

Step-by-step explanation:

10-10=0

7 0
3 years ago
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What are the domain and range of the function f(x)= 2x+1
navik [9.2K]

Answer:

Domain: All the real numbers

Range: All the real numbers

Step-by-step explanation:

The domain of a function is the complete set of possible values of the independent variable 'x'. That is to say, all the values that 'x' can take:

In this case, f(x)= 2x+1, the independent variable has no restrictions. Meaning that 'x' can take all the Real Values. In set notation: x∈ℝ.

The range of a function is the complete set of all possible resulting values of the dependent variable 'y'. In this case, given that the independent variable has no restrictions, the dependent variable 'y' can take any value. So, the range is: y ∈ ( −∞, ∞ ) - All the real numbers.

4 0
3 years ago
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