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3 years ago

Point C is the midpoint of segment

Mathematics

1 answer:

VLD [36.1K]3 years ago

4 0

Answer:

Step-by-step explanation:

CB = 3.2 m

AB= 3.2 * 2 = 6.4 m

AC = 3.2 m

AO = 3.2 : 2 = 1.6 m

OB = 1.6 m

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The solution of - t/18 ≥ 10 is t ≤ -180 <br> True or false?

liraira [26]

Answer:

True

Step-by-step explanation:

given - $\frac{t}{18}$ ≥ 10 (multiply both sides by 18 )

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Remembering to reverse the symbol as a consequence of multiplying by a negative quantity, hence

t ≤ - 180

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3 years ago

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In triangle abc, angle A is the right angle. What is the value of y?

Natalka [10]

Answer:

Step-by-step explanation:

In a right triangle, the side opposite to the 90 degree angle (here, side opposite to angle A) is known as the hypotenuse.

Also, the side that is "opposite" to the angle given (here side opposite is y to angle given 30 degrees) is the opposite side.

Since we want to find "opposite" and have "hypotenuse" , recalling trig ratios, we can say opposite/hypotenuse is the ratio SINE, so we can write:

$Sin(30)=\frac{y}{7}$

We solve for y:

$Sin(30)=\frac{y}{7}\\y = 7 Sin(30)$

Since the answer choice has angles in radians, we recall 30 degrees is $\frac{\pi}{6}$ radians.

Thus, the correct answer is $7Sin(\frac{\pi}{6})$ , or option A

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4 years ago

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-5x + 8 + 12x + 10<br> Can someone simplify this?

Vitek1552 [10]

Answer:

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Step-by-step explanation:

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3 years ago

Suppose the average yearly salary of an individual whose final degree is master's is $40 thousand less than twice that of an ind

Lostsunrise [7]

Answer:

<h2>x=50000 dollars ( the average salary of bachelor degree)</h2><h2>the average salary of Masters degree = 2x-40000</h2><h2>2(50000)-40000=60000 dollars</h2><h2></h2><h2>step by step explanation :</h2>

let x be the salary of individual with bachelor degree

Then the average salary of individual with Masters degree is:

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the combined of two salaries is 110000:

x+(2x-40000)=110000

3x-40000=110000

3x=110000+40000

x=150000/3

<h2>x=50000 dollars ( the average salary of bachelor degree)</h2><h2>the average salary of Masters degree = 2x-40000</h2><h2>2(50000)-40000=60000 dollars</h2>

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4 years ago

The low temperature was 35 f. This was 13 f lower than the daytime high temperature. Write an equaton to determin wheter the hig

alina1380 [7]

If x is the high temperature, you can write the following equation:
x = 35°F + 13°F

Which simplifies to:
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4 years ago