Mathematics, 23.01.2022 07:40 kyleighmarie05

Assuming that the ship travels at a constant speed how far will the ship travel in 3.5 hours

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Speed (s) = distance (d) divided by time (t)
You can see that every 30 minutes or 0.5 hours, the ship's distance increases by 12.5 miles. The problem even say the ship's speed is constant...so it doesn't matter which numbers you use for your calculation just used the time with the corresponding distance.
s = d / t
Use the 1st set of number t = 0.5 and d = 12.5
s = 12.5(miles) / 05(hours)
s = 25 miles per hour (miles/hour OR mph)
Check using the last set of numbers t = 1.5 and d = 37.5
s = 37.5 / 1.5
s = 25 miles per hour (mph)

Answer from: natalie2sheffield

Step-by-step explanation:

Represent the 'constant speed' with s. Then, at this speed, the ship will

travel (s)(3.5 hours) in 3.5 hours.

Answer from: Quest

answer: 20

step-by-step explanation:

Answer from: Quest

the system of inequity is

$y\leq -x+4$

$3y> x$

step-by-step explanation:

from the given graph it is noticed that we have two related lines. one is solid and another is dashed.

if a line passing through two points, then the equation of line is

$y-y_1=\frac{y_2-y_1}{x_2-x_1}(x-x_1)$

the solid line passing through the points (0,4) and (4,0).

$y-4=\frac{0-4}{4-0}(x-0)$

$y=-x+4$

the related equation of solid line is $y=-x+4$ .

similarly, find the related equation of dashed line. the dashed liune passing through the points (0,0) and (3,1).

$y-0=\frac{0-1}{3-0}(x-0)$

$3y=x$

the related equation of dashed line is $3y=x$

from the given graph it is noticed that the point (0,1) lies on the shaded region, therefore the point (0,1) must be satisfied by the related equations.

check the related equations by the point (0,1).

$1=-0+4$

$1=4$

this statement is true if the sign of inequality is < instead of equality. since it is an solid line therefore the sign of inequality will be $\leq$ . the required inequality is

$y\leq -x+4$

similarly, check the second related equation.

$3(1)=0$

it is a dashed line, so this statement is true if the sign of inequality is > . the required inequality is

$3y> x$

15 points write a system of inequalities to represent the shaded portion of the graph

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Assuming that the ship travels at a constant speed how far will the ship travel in 3.5 hours...

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