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3 years ago

3. Which equation is graphed in the figure?

Mathematics

1 answer:

kakasveta [241]3 years ago

6 0

$3x + 4y = 8 \\ This \: is \: your \: answer.$

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Henry has 15 coins in his pocket. 10 of the coins are pennies, 5 of the coins are quarters. Henry pulls one coin from his pocket

Nadya [2.5K]

Answer:

The probility is hight .

Step-by-step explanation:

because there are more pennies then quarters so there's about a 85 to 75% chance

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2 years ago

ANSWER CORRECT FOR BRAINLIEST - 10 POINTS

aliina [53]

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2 years ago

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belka [17]

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3 years ago

What is the equation of a line that passes through the point (4, 2) and is perpendicular to the line whose equation is y= x/3−1

Alex_Xolod [135]

Perpendicular lines have slopes that are opposite and reciprocal. Therefore, the line we are looking for has a -3 slope.
y= -3x+b

Now, we can substitute in the point given to find the intercept.
2= -3(4)+b
2= -12+b
b=14

Finally, put in everything we've found to finish the equation.
y= -3x+14

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3 years ago

Consider a triangle with angles 30o-60o-90o, with hypotenuse of length 2. Calculate the lengths of the other 2 sides and store t

kumpel [21]

Answer:

1.00 and 1.73

Step-by-step explanation:

1) Calculating the 1st and the 2nd leg using trigonometric function sine:

$sin (30^{0})=\frac{c}{2}\Rightarrow \frac{1}{2}=\frac{c}{2}\Rightarrow 2*\frac{1}{2}=2*\frac{c}{2}\Rightarrow c=1\\sin(60^0)=\frac{b}{2}\Rightarrow \frac{\sqrt{3}}{2}=\frac{b}{2}\Rightarrow b=\sqrt{3}\Rightarrow\: b\approx \:1.73$

Once one leg is found there is another way to find the other leg, using Pythagorean Theorem too.

$a^{2}=b^{2}+c^{2}\Rightarrow 2^{2}=b^{2}+1^{2}\Rightarrow 4-1=b^{2}\Rightarrow b=\sqrt{3} b\approx 1.73$

Sides

a hypotenuse: 2.00

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b leg: 1.73

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c leg: 1.00

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4 0

3 years ago