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3 years ago

The equation 8 − 4x = 0 has _____ real solution(s).

Mathematics

1 answer:

antiseptic1488 [7]3 years ago

7 0

The equation has exactly 1 real solution.

You can find this by solving it.

8 - 4x = 0 ----> add 4x to both sides

8 = 4x ----> divide both sides by 4

2 = x

You can see there is only 1 and therefore it has one solution.

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Solve for j.<br> 2j - k= 5

Andreas93 [3]

Answer:

j=1/2k+5/2

Step-by-step explanation:

2j−k=5

Step 1: Add k to both sides.

2j−k+k=5+k

2j=k+5

Step 2: Divide both sides by 2.

2j/2=k+5/2

j=1/2k+5/2

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3 years ago

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Answer:

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Step-by-step explanation:

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4 years ago

What is the trigonometric ratio for sin C ?<br><br> Enter your answer, as a simplified fraction.

Contact [7]

By definition we have to:
Sin (x) = C.O / h
Where,
x = angle
C.O = opposite leg
h: hypotenuse.
Substituting values we have:
Sin (C) = AB / 82
We should look for AB. For this, we use the following relationship:
AB ^ 2 + 80 ^ 2 = 82 ^ 2
Clearing AB:
AB = root ((82 ^ 2) - (80 ^ 2))
AB = 18
Substituting we have:
Sin (C) = 18/82
Simplifying:
Sin (C) = 9/41

Answer:
the trigonometric ratio for sin C is:
Sin (C) = 9/41

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3 years ago

Item 19 Question 1 A furniture store is having a sale where everything is 40% off. a. Write a function that represents the amoun

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Whatever% of anything is just (whatever/100) * anything.

therefore, if an item has been discounted by 40%, the discounte is that 40%, what is 40% of the price "p"? (40/100) * p or 0.4p.

$\bf \stackrel{discount}{d}=0.4\stackrel{original~price}{p}$

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