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Ray Of Light [21]
4 years ago
6

Find the value of x. The diagram is not to scale.

Mathematics
2 answers:
lara [203]4 years ago
7 0
Du to the triangle is an Equilateral triangle, both angles are equal. 
Now we have a straight angle RTU which equals 180 degrees so, 
<RTS + <STU = 180 
5x + 5x -30 = 180 
10x = 210 
x = 21 

IgorLugansk [536]4 years ago
3 0

Answer:

x = 21 i took the test

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tatuchka [14]

Answer:

the answer is 40/100 × 20

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3 years ago
When solving a quadratic equation by using the square root method, and the final step results in square-rooting a “perfect squar
Elena L [17]

Answer:

Step-by-step explanation:

we're asked to solve the equation two x squared plus three is equal to 75 so in this situation it looks like we might be able to isolate the x squared pretty simply because there's only one term that involves the next year it's only this x squared term so let's try to do that so let me just rewrite it we have two x squared plus three is equal to 75 I'm going to try to isolate this x squared ...

4 0
3 years ago
3. Decide whether each equation is true or false, and explain how you know.
BARSIC [14]

Answer:

a.false

b.true

c.false

d.I really can't get about it.

e.false

Step-by-step explanation:

So,here;

a.9.9.3=35 is given

or,243=35 (which is false)

b.7+7+7=3+3+3+3+3+3+3

or,21=21 (which is true)

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or,2*2/3=2/3

or,4/3=2/3(which is false)

e.6+6+6=63

or,18=63 (which is false)

5 0
3 years ago
Given two dice, what is the probability of rolling a four on the second die, given that you already rolled a four on the first d
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Answer:   1/6

Reason:

There's 1 side labeled "4" out of 6 sides total. So that's where the 1/6 comes from.

The "given that you already rolled a four on the first die" is unneeded info in my opinion, because each die is separate or independent from one another.

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3 years ago
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