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Alex73 [517]
2 years ago
5

Solve for Y 4x – 5y = -20

Mathematics
2 answers:
Minchanka [31]2 years ago
7 0
The answer to you’re question is y = 4 + 4x/5
emmasim [6.3K]2 years ago
4 0

Answer:

y=4

Step-by-step explanation:

I'm a little rusty at this but y=4 should be the correct answer.

Hope this helps!

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The size of a television screen is given as 95 cm, correct to the nearest 5 cm.
timofeeve [1]

Answer:

U B = 100.5

Step-by-step explanation:

the upper bound of the size of the television screen= 95.5 since it is corrected to the nearest 5 then the U B =100.5 cm

7 0
2 years ago
4cos(10x)+2=2<br><br> What would this equal in Degrees??
Ipatiy [6.2K]

Answer:

Simplifying

4cos(10x) + 2 = 2

Remove parenthesis around (10x)

4cos * 10x + 2 = 2

Reorder the terms for easier multiplication:

4 * 10cos * x + 2 = 2

Multiply 4 * 10

40cos * x + 2 = 2

Multiply cos * x

40cosx + 2 = 2

Reorder the terms:

2 + 40cosx = 2

Add '-2' to each side of the equation.

2 + -2 + 40cosx = 2 + -2

Combine like terms: 2 + -2 = 0

0 + 40cosx = 2 + -2

40cosx = 2 + -2

Combine like terms: 2 + -2 = 0

40cosx = 0

Solving

40cosx = 0

Solving for variable 'c'.

Move all terms containing c to the left, all other terms to the right.

Divide each side by '40'.

cosx = 0.0

Simplifying

cosx = 0.0

The solution to this equation could not be determined.

Step-by-step explanation:

7 0
3 years ago
What is the value of x in this equation?
Gala2k [10]

Answer:

(B) x=2

Step-by-step explanation:

4(x + 6) - 3x = 26

4x+24-3x=26

x+24=26

Subtarct 24 from both sides

x=2

5 0
3 years ago
How many miles will a person run during a 10 kilo run
alina1380 [7]
A person will run 6.2137 miles since you can convert 10 km or kilo to miles

I hope this helped

4 0
3 years ago
Read 2 more answers
Help please!
nekit [7.7K]
Yes. It says the sum of 2 multiplied by any number replacing the x will be less than 8.
x will need to be less than 4:
x<4
3 0
2 years ago
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