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3 years ago

if 4 inches represents 100 miles on a scale drawing,how long would a line segment be that represents 50 miles

2 answers:

4 0

I think 2 inches. Because if 4 inches represents 100 miles, and we're trying to find how long is 50 miles. since 50 is half of 100. 2 is half of 4. so thats y i think its 2

Alisiya [41]3 years ago

3 0

It would represent 4 inches

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Use a Double- or Half-Angle Formula to solve the equation in the interval [0, 2π). (Enter your answers as a comma-separated list

lara31 [8.8K]

Sin(2θ)+sin(θ)=0
use double angle formula: sin(2θ)=2sin(θ)cos(θ).
=>
2sin(θ)cos(θ)+sin(θ)=0
factor out sin(θ)
sin(θ)(2cos(θ)+1)=0
by the zero product property,
sin(θ)=0 ...........(a) or
(2cos(θ)+1)=0.....(b)
Solution to (a): θ=k(π)
solution to (b): θ=(2k+1)(π)+/-(π)/3
for k=integer

For [0,2π), this translates to:
{0, 2π/3,π,4π/3}

8 0

2 years ago

The Hunters drove to visit some friends. The table below shows how long it 1 point

Leni [432]

Answer:

60 miles per hour

Step-by-step explanation:

For each point just divide the miles by the hour

120/2 = 60 mph

180/3 = 60 mph

240/4 = 60 mph

7 0

2 years ago

What's the surface area of this figure? (figure shown on picture)

KIM [24]

Answer:

800 in²

Step-by-step explanation:

Let’s find the area of all the shapes in the net.

10 · 10 = 100

100 · 2 = 200

15 · 10 = 150

150 · 4 = 600

200 + 600 = 800

3 0

2 years ago

Use this graph of velocity vs. time for two objects to answer the question.

Lynna [10]

Using derivatives, it is found that the correct option is:

A. Object C has an acceleration that is greater than the acceleration for D.

The acceleration is the derivative of the velocity, given by change in velocity divided by change in time, that is:

$a = \frac{\Delta_v}{\Delta_t}$

In this problem:

The change in time for objects C and T is the same.
The change in velocity for object C is greater, thus, it has a greater acceleration, and the correct option is:

A. Object C has an acceleration that is greater than the acceleration for D.

A similar problem is given at brainly.com/question/14516604

6 0

2 years ago

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SIZIF [17.4K]

Answer:

Step-by-step explanation:

90% of 20 is 18

8 0

2 years ago

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