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Naddika [18.5K]
3 years ago
6

Sam wants to take his drone on a car trip. An hour before they plan to leave, he realized that he forgot to charge the batteries

last night. Drone's battery is at 25% and says it has 4.5 hours remaining. Which brand is Sam's battery most likely? How do you know?
Mathematics
1 answer:
snow_lady [41]3 years ago
7 0

Answer:

See explanation

Step-by-step explanation:

The question is incomplete..

The given parameters can only solve for the number of hours the battery can last if at full capacity.

Given

25% = 4.5 hours

Required

Determine the brand

First, we need to determine the full capacity (100%)

So, we have:

25% = 4.5 hours

100% = x

Cross Multiply

25% * x = 100% * 4.5 hours

Divide both sides by 25%

x = 4 * 4.5 hours

x = 18 hours

Hence, the battery at full capacity is 18 hours.

So, to answer the question, you need to check the given list of brands.

The brand closest to 18 hours answers the question

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Nady [450]

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x=-85

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Trevon received  

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Greg has a table that is 3.75 meters in length. He wants to make a tablecloth that is 20 centimeters longer on each end than the
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it is (3.75 times 100/1) then add twenty

Step-by-step explanation:

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3 years ago
This table represents a function plot points to represent the function as a graph. X -4 y 9
Lelechka [254]

Answer:

The graph in the attached figure

Step-by-step explanation:

we have the ordered pairs

(-4,9),(-1,3),(0,1),(2,-3)

Using a graphing tool

Plot the given ordered pairs in the coordinate plane

Remember that

In a ordered pair (x,y), the first coordinate is the location of the point in the x-axis and the second coordinate is the location of the point in the y-axis

see the attached figure

The graph represent a line

<em>Find the equation of the line</em>

Find the slope

take two points

(0,1),(2,-3)\\m=(-3-1)/(2-0)=-2

The equation of the line in slope intercept form is equal to

y=mx+b

we have

m=-2\\b=1

substitute

y=-2x+1

4 0
3 years ago
Find the ratio in which the lines segment joining A(1,-5) &amp; B(-4,5) is divided by the x-axis. Also find the corrdinates of t
ioda

Step-by-step explanation:

\large\underline{\sf{Solution-}}

<u>Given that </u>

A line segment AB having coordinates of A as (1, - 5) and coordinates of B as (- 4, 5).

Let assume that x - axis divides the line segment joining the points A (1, - 5) and B (- 4, 5) in the ratio k : 1 at C.

Let assume that coordinates of C be (x, 0).

We know,

Section formula :-

Let P(x₁, y₁) and Q(x₂, y₂) be two points in the coordinate plane and R(x, y) be the point which divides PQ internally in the ratio m₁ : m₂. Then, the coordinates of R will be:

\sf\implies \boxed{\tt{ R = \bigg(\dfrac{m_{1}x_{2}+m_{2}x_{1}}{m_{1}+m_{2}}, \dfrac{m_{1}y_{2}+m_{2}y_{1}}{m_{1}+m_{2}}\bigg)}}

So, on substituting the values, we get

\rm \longmapsto\:(x,0) = \bigg(\dfrac{ - 4k + 1}{k + 1}, \:  \dfrac{5k - 5}{k + 1} \bigg)

On comparing y - coordinate on both sides, we get

\rm \longmapsto\:\dfrac{5k - 5}{k + 1}  = 0

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\rm \longmapsto\:5k = 5

\bf\implies \:k = 1

<u>Hence, </u>

The x - axis divides the line segment joining the points A (1, - 5) and B (- 4, 5) in the ratio 1 : 1 at C.

Now, On comparing x - coordinate on both sides, we get

\rm \longmapsto\:x = \dfrac{ - 4k + 1}{k + 1}

On substituting the value of k, we get

\rm \longmapsto\:x = \dfrac{ - 4+ 1}{1 + 1}

\rm \longmapsto\:x  \: =  -  \: \dfrac{3}{2}

<u>Hence, </u>

The coordinates of point of intersection, C is

\rm\implies \:\boxed{\tt{ Coordinates \: of \: C = \bigg( - \dfrac{3}{2}, \: 0 \bigg) }}

7 0
3 years ago
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