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Kruka [31]
2 years ago
12

I have no clue what this is, never learned it yet

Mathematics
1 answer:
schepotkina [342]2 years ago
4 0

Answer:

What are the choices?

Step-by-step explanation:

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What is 3(b+4)-2 for an equivalent expression
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4b+1 equivalent to -2(b+4)+3
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3 years ago
Write an equation of a line perpendicular to the line y = -1/5x -3 and goes through the point (6,2), then use Point- Slope form
agasfer [191]

Answer:

The equation of the line would be y = 5x - 28

Step-by-step explanation:

First, we need to know that perpendicular lines have opposite and reciprocal slopes. Give that information, we know that the new line will be the reciprocal and opposite of -1/5. This would be 5. Now that we have that information, we can use it along with a point to fill in the point-slope form of the equation.

y - y1 = m(x - x1)

y - 2 = 5(x - 6)

Then we must solve for y.

y - 2 = 5(x - 6)

y - 2 = 5x - 30

y = 5x - 28

7 0
3 years ago
What expression is correct?​
Mazyrski [523]

Answer: Oliver is correct

Step-by-step explanation:*mine doesn’t have the line and stuff to show u how to explain it*

6 0
3 years ago
Whats the area of this?
Pie
Here’s how I solved to find the area. Hope this is helpful

6 0
2 years ago
Andres boards a Ferris wheel at the 3-o'clock position and rides the Ferris wheel for multiple revolutions. The Ferris wheel rot
Gelneren [198K]

Answer:

a) r(t) = 0.783t radians

b) h(t) = 30cos(0.783*t) feet

Step-by-step explanation:

The situation is depicted in the picture attached

<h3>(see picture) </h3>

Since the angular speed is constant, to find an expression for the angle r(t) in radians we just cross-multiply using the fact that 1 min = 60 seconds

4.7 radians __________ 60 seconds

r(t) radians ____________  t seconds

\large \displaystyle\frac{4.7}{r(t)}=\displaystyle\frac{60}{t}\Rightarrow r(t)=(4.7/60)t \Rightarrow\\\\\boxed{r(t)=0.783t\;rad}

The height h(t) after t seconds is given by

h(t) = 30cos(r(t)) ===>

h(t) = 30cos(0.783*t) feet

7 0
2 years ago
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