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WINSTONCH [101]
3 years ago
13

Because the length cannot be negative the height of the plane is ___ miles.

Mathematics
1 answer:
Rudik [331]3 years ago
8 0

Look at all the steps above. They lead to a double solution. The symbol

x=\pm 5

means that x can be either positive or negative 5. You can't accept negative values for lengths, so you're left with one option only.

You might be interested in
How can I create a sine graph that has a period of 2π and an amplitude of 3?
inna [77]

Hello!


The parent function of the graph of sin is y = sin(x).


Amplitude is the maximum displacement on the graph of a function.

Period is the displacement of x at which the graph of a function begins to repeat.

The period can be found by using the formula: P = \frac{2\pi}{B}.


Since the amplitude is 3, the graph of sin is y = 3sin(x).


Given the period 2π, we can substitute this value into the given formula, P = \frac{2\pi}{B}, to find B.


2π = 2π / B (multiply B to both sides)

2π · B = 2π (divide by 2π)

B = 1


Thus, the equation is y = 3sin(x). I'll post the graph as well.

6 0
3 years ago
Solve each eqaution justify each epaution 20-3h=2
OleMash [197]
20-3h=2=>3h=20-2=18=>h=18/3=6
5 0
2 years ago
F(x)=−x <br> 2<br> −7x Find f(−10)
djyliett [7]

Answer:

What's '2−7x'

Step-by-step explanation:

3 0
2 years ago
What is the area of a section of pavement that is 20 ft wide and 70 yd long?
myrzilka [38]

Answer:

A = 4200 ft^2

Step-by-step explanation:

We know the formula for area is

A = l*w

We need to have the same units

convert yd to ft

1 yd = 3ft

Multiply each by 70

70 yds = 210 ft

A = 210 *20

A = 4200 ft^2



6 0
3 years ago
In the given figure, find ∠PQS, if∠PQR = 5x + 25 and∠SQR = 2x + 10.
kramer

Answer:

∠PQS= 3(x +5)

Step-by-step explanation:

∠PQR = 5x + 25

∠SQR+∠PQS= 5x+25

∠PQS = ∠PQR-∠SQR

∠PQS= (5x + 25 )-(2x + 10)

∠PQS = 5x+25 -2x-10

∠PQS= 3x +15

∠PQS= 3(x +5)

3 0
3 years ago
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