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never [62]
3 years ago
10

PLS FAST In a right triangle, angle A and angle B are acute, find the value of sinB given tanB=4/3.

Mathematics
1 answer:
Y_Kistochka [10]3 years ago
5 0

Answer:

sinB= 4/5

Step-by-step explanation:

tan= opposite/ adjacent

3^2+4^2= hypotenuse^2 so hypotenuse=5

sin= opposite/ hypotenuse

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Find the distance between -4.3 and 0.8 on a number line as a decimal
evablogger [386]

Answer:

5.1

Step-by-step explanation:

Add 4.3 to 0.8

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3 years ago
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Answer:

<em>I'm not 100% sure but I think 3 days.</em>

Step-by-step explanation:

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Which expression represents the algebraic phrase “nine times a number plus thirteen”?
lesya692 [45]

Answer:

9y + 13

Step-by-step explanation:

a number would best represent as a variable (doesn't matter which letter)

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4 0
3 years ago
A line that passes through the point (5,7) has a slope of 3. Which of the following gives the equation of the line?
Sauron [17]
Well there are multiple different ways to write the equation of a line. The easiest way to do so in this situation would be to use point-slope form: (y-y_1)=m(x-x_1)
y_1 is the y coordinate of any point on the line, x_1 is the x-coordinate of the same point, and m is the slope. In this case it would look like (y-7)=3(x-5).

However, you might be required to answer in slope-intercept form. The equation of the line would then look like y=mx+b, where m is the slope, and b is the y-intercept. To solve for b we need to plug in the point (5,7) into the equation:
y=3x+b
(7)=3(5)+b
7=15+b
b=-8
Now plug b back into the initial equation and then you have your final, fully formed equation:
y=3x-8
5 0
2 years ago
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