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Stolb23 [73]
3 years ago
9

This quiz is due in a hour I'll up the points to 25

Mathematics
1 answer:
Irina-Kira [14]3 years ago
3 0

Answer:

The sin A expressed in ratio form is \frac{\sqrt{6} }{4}

Step-by-step explanation:

From the given right angled triangle diagram, sin A is calculated as follows;

sin \ A = \frac{Opp}{hypo} \\\\sin \ A = \frac{2\sqrt{6} }{8} \\\\sin \ A = \frac{\sqrt{6} }{4}

Therefore, the sin A expressed in ratio form is \frac{\sqrt{6} }{4}

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Randolph is creating rectangle WXYZ so that WX has an equation of y = 1 over 4x + 4. Segment XY must pass through the point (−2,
Sliva [168]

Answer:

The correct option is;

c.) y - 6 = -4(x - (-2))

Step-by-step explanation:

We note that the figure Randolph is creating is a rectangle, therefore, we have;

\overline{WX}\perp \overline{XY}, therefore, we have;

\overline{WX} = \dfrac{1}{4} x + 4

∴ Slope \overline{WX} = 1/4

\overline{XY} must pas through the point (-2, 6)

Given that \overline{WX}\perp \overline{XY}, we have;

Slope \ \overline{XY} = \dfrac{-1}{Slope \ \overline{WX}}

\dfrac{y - 6}{x - (-2)} = -1/\dfrac{1}{4}  = -4

y - 6 = -4(x - (-2))

Therefore, the correct option is c.) y - 6 = -4(x - (-2)).

6 0
3 years ago
Factorise 7m^2+6m-1<br> Thanks
ella [17]
The answer is on the paper

6 0
3 years ago
What is x equal to in the equation 10+x=5(1/5x+2)
iren [92.7K]

Answer:

30

Step-by-step explanation:

Theorm

6 0
3 years ago
Bill reads 1/5 of a book on Monday he reads 2/3 of a book on Tuesday if he finish reading the book on Wednesday what fraction of
Evgen [1.6K]

total book =1

1/5 + 2/3 + wed = 1

get a common denominator of 15

1/5 * 3/3 + 2/3 * 5/5 + wed = 1 * 15/15

3/15 + 10/15 + wed = 15/15

combine like terms

13/15 + wed = 15/15

subtract 13/15 on each side

wed = 15/15-13/15

wed = 2/15

He read 2/15 of the book on Wednesday

5 0
3 years ago
When you flip a biased coin the probability of getting a tail is 0.34. Find the probability of getting a head.
koban [17]

Answer:

If you want to know what the probability is to get at least one Heads, then that is the same as the probability of all the events (100%, or 1) minus the probability of getting all Tails.

There are 100 coins. 99 are fair, 1 is biased with both sides as heads. With a fair coin, the probability of three heads is 0.53=1/8. The probability of picking the biased coin: P(biased coin)=1/100.

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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