4 years ago

Help please .. don’t understand

Mathematics

2 answers:

Mila [183]4 years ago

8 0

Tangent is the opposite side or angle divided by the adjacent side or angle.

#1 35/12
so tanX equals 35/12

Grace [21]4 years ago

3 0

Answer:

sinx = p/h , cosx = b/h , tanx = p/b

you can use these relations

Step-by-step explanation:

p = perpendicular = side opposite to the angle

h = hypotenuse = side opposite to the right angle

b= base

if no angles are given, p and b can be interchanged

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Consider the equation 2x+1=16

Aliun [14]

Step-by-step explanation:

2x + 1 = 16

2x = 15 (subtract 1 on both sides)

x = 7.5 (divide 2 om both sides)

Since 7.5 is not an integer, (a) is No.

However 7.5 is rational, therefore (b) is Yes.

6 0

3 years ago

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Determine the equation of the linear function that has a slope of -4 and passes through the point (2,-4). Write the equation in

padilas [110]

Answer:

Part 1) $y=-4x+4$

Part 2) The graph in the attached figure

Step-by-step explanation:

Part 1)

we know that

The linear equation in slope intercept form is equal to

$y=mx+b$

where

m is the slope

b is the y-intercept

we have

$m=-4\\point\ (2,-4)$

substitute in the linear equation

$-4=-4(2)+b$

solve for b

$-4=-8+b\\b=8-4\\b=4$

substitute

$y=-4x+4$

Part 2) Draw the equation

we know that

To graph a line we need two points

we have the y-intercept (0,4) and (2,-4)

Plot the points, connect them and join to draw the line

see the attached figure

7 0

3 years ago

there are 16 boys and 24 girls in chorus whats the percent of the total number of students in chorus are boys?

Ipatiy [6.2K]

The percent of boys in the class is 40% because 16 + 24 = 40 (the entire amount of kids) 16 / 40 = .4 then move decimal twice to the right for percentage which gives you 40%

The answer is 40%

I hope this helped :)

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3 years ago

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IgorC [24]

Multiply by the inverse of the coefficient of h.

$h=\dfrac{3V}{\pi r^2}$

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3 years ago

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The family room in Zacks home is 6.5 ft by 9 ft.The floor in the room is 10 by 12 ft.how much area of the floor is not covered b

In-s [12.5K]

6.5 x 9=58.5
10 x 12=120
120-58.5=61.5

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4 years ago

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