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3 years ago

Need much help on this please!!!!!!!

Mathematics

1 answer:

Anika [276]3 years ago

4 0

Answer:

the first equation is (7,-5.9)

the second equation is (3,10.5)

the third equation is (6,9.4)

the fourth equation is (-5,-4.5)

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Express x in terms of y! Find the value of x when y =5<br>2(x - 3)/y =5

m_a_m_a [10]

Hey there!

2(x - 3) / y = 5

2(x - 3) / 5 = 5

2(x) + 2(-3) / 5 = 5

(2x - 6) 5 = 5

MULTPLY 5 to BOTH SIDES

(2x - 6)/5 * 5 = 5 * 5

SIMPLIFY IT!
2x - 6 = 5 * 5

2x - 6 = 25

ADD 6 to BOTH SIDES

2x - 6 + 6 = 25 + 6

SIMPLIFY IT!
2x = 25 + 6

2x = 31

DIVIDE 2 to BOTH SIDES

2x/2 = 31/2

SIMPLIFY IT!

x = 31/2

x = 15 1/2

Therefore, the answer should be:

x = 15 1/2

Good luck on your assignment & enjoy your day!

~Amphitrite1040:)

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2 years ago

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Translate the following algebraic inequality into a verbal inequality.<br> 2x +6 > 20

Vera_Pavlovna [14]

X >7. I hope this helps, happy learning.

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3 years ago

Using a fair coin and a number cube with faces numbered 1 through 6, what is the probability of getting heads and rolling a 5?

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Step-by-step explanation:

Use Multiplication Principle with states that if a event can occur n ways, and another mutually exclusive event occur p ways, then the total outcome is

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The possible ways of rolling a dice is 6 and the possible ways of flipping a coin is 2 so we have

$6 \times 2 = 12$

Now, we use the fact that proabliblity is

Number of favorable outcomes/ Total outcomes.

We can only get a head and a 5 once out of the set so the number of favorable outcomes is 1. Total outcomes is 12 so we have

$\frac{1}{12}$

A is the answer.

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Step-by-step explanation:

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