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suter [353]
3 years ago
13

Find the value of x using the angles

Mathematics
1 answer:
Arturiano [62]3 years ago
8 0
There are two things you can do with angles. You can 1) set them equal to each other or 2) set their sum equal to a definite angle measure (like 180 or 90).
These angles are congruent. This is because they are opposite angles, and opposite angles are congruent. So in this case, we set these equal to each other.
1) Set up: x + 104 = 3x
2) Isolate x: 2x = 104
                    x = 52
I got x = 52, but it is always helpful to double check work. Hope this helps!
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Find the missing length of the triangle.
allsm [11]

Hey there!

Solve using pythagoras theorem (it's given that is triangle is right angled. Pythagoras theorem only works in the case of right triangles) ⇨ Hypotenuse² = Base² + Altitude ²

Here,

Base = 9 mm

Hypotenuse = 15 mm

Altitude = b

Hypotenuse² = Base² + Altitude ²

15² = 9² + b²

225 = 81 + b²

225 - 81 = b²

144 = b²

√144 = b

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Hope it helps ya!

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3 years ago
Which of the following expressions cannot be written as a whole number?
Allisa [31]
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3 years ago
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Help fast please ! Match the graph go one of the exponential functions
lara [203]

Answer:

f(x)=(\frac{1}{4} )^{x} +4

Step-by-step explanation:

The way I did this was I noticed that the graph had a y-intercept of 4 and the only exponential function that had a y-intercept of 4 was f(x)=(\frac{1}{4} )^{x} +4

3 0
3 years ago
Willie and Emily each purchase one raffle ticket. If a total of seven raffle tickets are sold, what is the probability that Will
Nimfa-mama [501]

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First, find the probability of Willie winning the grand prize. He has 1 ticket out of the 7 total tickets, so the probability is 1/7.

Now, find the probability of Emily winning the second prize. After the grand prize winner has been announced, there are only 6 tickets left. Emily has 1, so the probability is 1/6.

Finally, multiply the two probabilities together to find the probability that they will both happen together. To multiply fractions, multiply the numerators together and multiply the denominators together. This leaves us with (1 * 1) / (7 * 6), which is easy to simplify to 1/42, which is the final probability.

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Pavel [41]

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n = 2

but if it is

(n-4)-3=3-(2n+3)

n = 7/3

5 0
3 years ago
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