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lisabon 2012 [21]
2 years ago
5

Hi! Thanks for helping

Mathematics
1 answer:
mojhsa [17]2 years ago
8 0

Answer:

x = 44

Step-by-step explanation:

(3x + 30) = 162 (opposite angles are equal )

3x = 162 - 30

x = 132/3

x = 44

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What is the height of a right triangle if its other two sides are 30 centimeters and 10 centimeters long?​
Mila [183]

Answer:

Step-by-step explanation:

It depends on whether the 30 cm side is the hypotenuse, or one of the legs.

If the 30 cm side is the hypotenuse, then the third side is √(30^2-10^2) = √800 = 20√2 cm

If the 30 cm side is one of the legs, then the hypotenuse is √(30^2+10^2) = √1,000 = 10√10 cm

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2 years ago
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NemiM [27]

Answer:

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Step-by-step explanation:

4 0
3 years ago
The sugar content of the syrup in canned peaches is normally distributed. A random sample of n = 12 cans yields a sample standar
Dennis_Churaev [7]

Answer:

3.30185\leq σ \leq 8.7636

Step-by-step explanation:

the fromula for 100(1-α)% confidence (two sided) for σ is

√(η-1)*s^2/x^2_α/2,V \leq σ \leq √(η-1)*s^2/x^2_(1-α/2,V)               ∴ (v=n+1)

now data given is n = 12 and s=5.2 mg

for 99% CI ,α=0.05  and (n-1)=9 degree of freedom

from chi- square table x^2_(0.025,9)=19.02 ; x_(0.975,9)=2.7

substitute them in above expression we get

3.30185\leq σ \leq 8.7636

7 0
3 years ago
60% OFF<br> original price!<br> If a guitar has a sale price of $28, what was the original price?
photoshop1234 [79]

Answer:

i believe it would be $44

~hope this helped~

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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