Diego inicia un viaje por carretera de 12 horas con la batería de su teléfono al 75%. Dado su uso normal, ¿su teléfono durará todo el viaje?

Answers

Answer 1

Based on Diego's normal usage of his phone, if the battery is at 75%, the phone will not last the whole trip.

How long will the phone battery last?

First find out how long each percentage of battery life lasts:

= 15 / 100

= 0.15 hours

If Diego is going on a 12 hour trip with 75%, the length of time it would last is:

= 0.15 x 75

= 11.25 hours

This is less than the 12 hours required so the phone will not last the whole trip.

Rest of question:

At 100%, the battery can go for 15 hours.

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Related Questions

Bryce grew 312 inches each year for the past 4 years. how many inches total has bryce grown in the past 4 years?

Answers

4 x 312 = 1248 inches

Use the ratio test to determine whether the series is convergent or divergent. 1+3/1*2*3+5/1*2*3*4*5+…

Answers

The [tex]n[/tex]-th term [tex](n\ge1)[/tex] in the series is evidently

[tex]\dfrac{2n-1}{(2n-1)!} = \dfrac{2n-1}{(2n-1)(2n-2)!} = \dfrac1{(2n-2)!}[/tex]

By the ratio test, the infinite series converges, since

[tex]\displaystyle \lim_{n\to\infty} \left| \frac{\frac1{(2(n+1)-2)!}}{\frac1{(2n-2)!}}\right| = \lim_{n\to\infty} \frac{(2n-2)!}{(2n)!} = \lim_{n\to\infty} \frac1{2n(2n-1)} = 0 < 1[/tex]

The number of bacteria in a culture is expected to grow 82% per hour over the next several hours. The predicted change in the number of
bacteria can be represented by P= 120(1.82) where P is the predicted number of bacteria t hours from now.
To the nearest tenth of a percent, by what percent is the number of bacteria expected to grow by each minute?
O .1%
O 1.0%
O 1.1%
O 1.4%

Answers

If my simplification is valid the answer is:

1.4 % growth each minute

I don’t feel like the representation
P = 120(1.82) is important in this certain problem.

So P the predicted number of bacteria is not practical with this problem.

Use the 82% per hour and divide it by 60 because there are 60 minutes in an hour.

When doing this you find the rate in which bacteria grows which is about 1.4%.

The prediction is about 1.82 percent for 120 something it’s not clarified, but I’m guessing that’s minutes.

So you can prove that the prediction is over the rate in which bacteria grows per minute.

19) Find the surface area of the solid shown that has a square base. 9 in 7 in 3 in​

Answers

The surface area of the composite shape is: 315 in.².

What is the Surface Area of the Composite Shape?

Surface area = surface area of square pyramid + surface area of square prism - 2(base area)

Surface area of square pyramid = Area of base + 1/2(perimeter of base × slant height) = 9² + 1/2[4(9) × 7] = 207 in.²

Surface area of square prism = 2a² + 4ah = 2(9²) + 4(9)(3)

Surface area of square prism = 2(9²) + 4(9)(3) = 270 in.².

Base area = 9² = 81 in.².

Surface area of the composite shape = 207 + 270 - 2(81) = 315 in.².

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Answer:

315 in.²

Step-by-step explanation:

Recall:

area of rectangle = length × width

area of triangle = base × height / 2

Base of prism: 9 in. × 9 in. = 81 in.²

4 sides of prism: 4 × 9 in. × 3 in. = 108 in.²

Lateral area of pyramid: 4 × 9 in. × 7 in. / 2 = 126 in.²

Total area = 81 in.² + 108 in.² + 126 in.² = 315 in.²

A florist made 4 bouquets of flowers. each bouquet had "c" carnations and 9
daisies. 4(c+9) this expression can be used to represent the total number of flowers the florist used for the bouquets.

Answers

The equivalent expression without parenthesis that can be used to determine the total number of flowers the florist used is 4c + 36

How to find equivalent expression?

The equivalent expression without parenthesis that can be used to determine the total number of flowers the florist used.

total number of flower the florist used for the bouquet = 4(c + 9)

Therefore,

total number of flower the florist used for the bouquet = 4c + 36

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9 burgers and 1 doughnut cost $31.30. 3 doughnuts and 6 burgers cost $26.70. Find the cost of 2 burgers.​

Answers

Step-by-step explanation:

Let assume that

Cost of 1 burger = $ x

Cost of 1 doughnuts = $ y

According to statement, 9 burgers and 1 doughnut cost $ 31.30

[tex]\begin{gathered}\sf \: 9x + y = 31.3 \\ \\ \end{gathered}[/tex]

[tex]\begin{gathered}\sf\implies \sf \: y = 31.3 - 9x - - - (1) \\ \\ \end{gathered}[/tex]

According to statement again, 3 doughnuts and 6 burgers cost $ 26.70

[tex]\begin{gathered}\sf \: 6x + 3y = 26.7 \\ \\ \end{gathered}[/tex]

[tex]\begin{gathered}\sf \: 3(2x + y) = 26.7 \\ \\ \end{gathered}[/tex]

[tex]\begin{gathered}\sf \: 2x + y = 8.9 \\ \\ \end{gathered}[/tex]

On substituting the value of y from equation (1), we get

[tex]\begin{gathered}\sf \: 2x + 31.3 - 9x = 8.9 \\ \\ \end{gathered}[/tex]

[tex]\begin{gathered}\sf \: 31.3 - 7x = 8.9 \\ \\ \end{gathered}[/tex]

[tex]\begin{gathered}\sf \: - 7x = 8.9 - 31.3 \\ \\ \end{gathered}[/tex]

[tex]\begin{gathered}\sf \: - 7x = - 22.4 \\ \\ \end{gathered}[/tex]

[tex]\begin{gathered}\bf\implies \: x = 3.2 \\ \\ \end{gathered}[/tex]

So,

Cost of 2 burgers = 3.2 × 2 = $ 6.4

[tex] \qquad \qquad \bf \huge\star \: \: \large{ \underline{Answer} } \huge \: \: \star[/tex]

2 burgers cost $ 6.40

[tex]\textsf{ \underline{\underline{Steps to solve the problem} }:}[/tex]

We need to make linear equations, to solve this problem.

let the cost of each burger be x, and that of each doughnut be y.

[tex] \qquad❖ \: \sf \:9x + y = 31 .30[/tex]

[tex] \qquad❖ \: \sf \:y = (31 . 30 - 9x)[/tex]

put value of y in other equation.

[tex] \qquad❖ \: \sf \:6x + 3y = 26.70[/tex]

[tex] \qquad❖ \: \sf \:6x + 3(31.3 - 9x) = 26.70[/tex]

[tex] \qquad❖ \: \sf \:6x + 93.90 - 27x = 26.70[/tex]

[tex] \qquad❖ \: \sf \:6x - 27x = 26.70 - 93.90[/tex]

[tex] \qquad❖ \: \sf \:27x - 6x = 93.90 - 26.70[/tex]

[tex] \qquad❖ \: \sf \:21x =67 .20[/tex]

[tex] \qquad❖ \: \sf \:x = 67.20 \div 21[/tex]

[tex] \qquad❖ \: \sf \:x = 3.20[/tex]

So, cost of each burger is x = $ 3.20

[tex] \qquad \large \sf {Conclusion} : [/tex]

Therefore, cost of two burgers is :

2 × 3.20 = $ 6.40

PLEASE HELP thank you!!!!

Answers

Answer:

The answer is C: 3/4

Step-by-step explanation:

Your equation is equal to (3/2)/(4/2) due to absolute value (all numbers are positive even if negative symbol is infront of it) which is equal to 3/4.

Step-by-step explanation:

what is the real problem definition ?

is there now an absolute value around the top "-2", or not ?

in any case, remember, when we divide 2 rational numbers like this :

a/b / c/d

the result is

"outer multiplication" over "inner multiplication" :

a×d / b×c

as alternative you can always also say

a/b / c/d = a/b × d/c = a×d / b×c

so,

if the problem is

3/-2 / |-4/-2|

the result is

3×2 / 4×-2 = 6/-8 = - 3/4

if the problem is

3/|-2| / |-4/-2|

the result is

3×2 / 4×2 = 6/8 = 3/4

please pick the solution based on the actual problem.

Add: (-5u5 + 5) + 7u5

Answers

Answer:

2u^5+5

Step-by-step explanation:

Drop parenthesis and add like terms.

[tex]7u^{5}-5u^{5}+5=2u^{5}+5[/tex]

Hope this helps!

If not, I am sorry.

take a deck of playing cards form following sets out of those
A=Set of playing cards
B=SET OF RED COLOURED FACE CARD

Answers

The information given about the probability shows that the cardinality of D is 18.

How to calculate the probability?

From the complete information, the number of red-colored cards is 26.

Also, the number of red-colored number cards will be 18.

The cardinality of a set is a measure of a set's size, meaning the number of elements in the set.

Here, the cardinality of set D is 18.

Here is the complete question:

Take a deck of playing cards. Form following sets out of those:

A = Set of Face Cards

B = Set of Red Coloured Face cards

C = Set of Black Coloured Face Cards

D = Set of Red Coloured Number Cards

Find the Cardinality of set D

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The following data set is the age of customers at the ice cream shop:
18, 52, 42, 36, 5, 31, 29, 22
Find the mean.

Answers

Answer: About 29

Step-by-step explanation: First you need to add all the numbers together. Then you divide the sum, 235, by however many numbers you have (8). And BOOM: you got your answer :)

PS: If you have a decimal number, just round it up or down ( 5 and above give it a shove; 4 and below let it lie low)!

Amy is x years old. Ben is 2 years older than Amy. Alice is six years younger than Amy.
a) Write an expression for Ben's age and Alice's age in terms of x.​

Answers

Answer:

Step-by-step explanation:

Amy = x years

Ben = x + 2  (years)

Alice = x - 6 (years)

Answer:

a)

Amy's age is x.

• Ben's age is 2 more than Amy's age.

∴ Ben's age = x + 2

• Alice's age is 6 less than Amy's age.

∴ Alice's age = x - 6

Which of the following equations describes the graph? Urgent lol

Answers

Answer : I think 3rd is the answer

Can someone help me please

measure of angle B = 37 degrees, a = 12, b = 15. Find the measure of angle A to the nearest degree.

Answers

Answer: 28.78

Step-by-step explanation:

[tex]\frac{\sin A}{a}=\frac{\sin B}{b}\\\\ \sin A=\frac{a \sin B}{b}\\\\\sin A=\frac{12 \sin 37^{\circ}}{15}\\\\\sin A=0.481452...\\\\A \approx 28.78^{\circ}, 151.21^{\circ}[/tex]

However, we disregard the second case, giving 28.78 degrees.

how do you find the angle of 2/5ths of a circle

Answers

Answer:

You divide 360 by 5 which is 72 & Then muiltiply that by 2.
Your answer would be 144 tho.

f(x)=x^2(x+2)(x-2)(x-5) has zeros at x=-2, x=0, x=2 and x=5. what is the sign of f on the interval -2

Answers

Answer:

f is sometimes positive and sometimes negative on the interval

Step-by-step explanation:

So if you were to expand out the x's you would have x^2 * x * x * x which will result in x^5. and because the leading coefficient is positive, it will be going towards positive infinity as x goes towards positive infinity, and because the degree is odd the end behaviors will be opposite, so as x goes towards negative infinity the value of f(x) will be going towards negative infinity. One other thing to note is that because x^2 technically is two zeroes, with the same value, the zero at x=0 has a multiplicity of 2, meaning that it will not cross the x-axis, but rather have a turning point, once it intersects the x-axis, because the zero has an even multiplicity. Given this information we can draw a graph. So as you can see in the graph, it will sometimes be negative and sometimes positive

Anna has been studying a type of bacteria that triples every month. originally, there were 4 bacterial cells. she wants to know how many there will be after 15 months. which equation should she use?

Answers

Anna should use the following equation,

[tex]a_{15} = 4(3)^{15}[/tex]

Equation for Determining the Number of Bacterial Cells

Initially, the count of bacterial cells = 4

It is given that the bacterial cell triples every month.

Hence, the equation for the count of bacterial cells after first month is,

a₁ = 4(3)

This count of 4(3) triples again in the second month.

So, after the second month, the equation for the count of bacterial cells is given by,

a₂ = 4(3)(3) = 4(3)²

Calculating the Count of Bacterial Cells For Each Month

Again, this count triples in the third month.

Therefore, the  equation for the count of bacterial cells after the third month becomes,

a₃ = 4(3)(3)(3) = 4(3)³

This count triples again in the fourth month and this process continues till 15 months.

Hence, the equation for determining the number of bacterial cells comes out to be as follows,

a₁₅ = 4(3)¹⁵

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A six sided die is rolled and a coin is tossed. Find P(odd and T).

Answers

The probability of getting tails and rolling an odd number is P = 0.25

How to get the probability?

The probability of getting tails on the coin is 0.5

On the dice, there are 6 numbers and 3 are odd, so the probability of rolling an odd number is:

p = 3/6 = 0.5

The joint probability (of getting tails and rolling an odd number) is equal to the product between the individual probabilities:

P(odd and T) = 0.5*0.5 = 0.25

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Please help ASAP
Please help ASAP
Please help ASAP
Please help ASAP

Answers

The volume of the rectangular box is 12 cubic inches

Volume of a box

The formula for measuring the volume of a rectangular box is expressed as:

V = lwh

l is the length

w is the width

h is the height

Given the following

l = 2in

w = 3in

h = 2in

Substitute

V = 2* 3 * 2

V = 12 cubic inches

Hence the volume of the rectangular box is 12 cubic inches

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the area of 4 walls of a room is 120 m^2. if the length and breadth are 7m and 5m respectively, find the height.​

Answers

Answer:  5 meters

=========================================================

Explanation:

The floor is a 7 meter by 5 meter rectangle. The perimeter is

P = 2(L+W)

P = 2(7+5)

P = 2(12)

P = 24

The perimeter of the floor is 24 meters.

Multiply this perimeter by the unknown height h to get 24h

This expression represents the lateral surface area. This is the combined wall area. Set this equal to 120 and solve for h.

24h = 120

h = 120/24

h = 5

-----------------

Check:

One pair of walls is 7 meters by 5 meters, giving an area of 7*5 = 35 square meters each. So far that's 2*35 = 70 square meters for these two walls combined.

The other pair of walls is 5 by 5. Each has an area of 5*5 = 25 which doubles to 2*25 = 50

The total wall area is 70+50 = 120 to confirm the answer.

help me i dont understand this

Answers

The equation of the line passing through the coordinates but with its coordinates interchanged i.e (5, 7) and (9, 11)

Equation of reciprocal of a function

Given a linear function that contains the coordinate point on its line (5, 7) and (9, 11)

The equation of its reciprocal can be determine by finding the equation of the line passing through the coordinates but with its coordinates interchanged i.e (5, 7) and (9, 11)

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line L has a slope of 9/8 the line through which of the following pair of points is perpendicular to line L

Answers

A pair of points which is perpendicular to line L is: D. (3, -5),(-6, 3).

How to calculate the slope of a line?

Mathematically, the slope of any straight line can be calculated by using this formula;

[tex]Slope = \frac{Change\;in\;y\;axis}{Change\;in\;x\;axis}\\\\Slope = \frac{y_2\;-\;y_1}{x_2\;-\;x_1}[/tex]

For points A, we have:

[tex]Slope = \frac{3\;-\;(-6)}{3\;-\;(-9)}\\\\Slope = \frac{9}{12}[/tex]

Slope = 9/12.

For points B, we have:

[tex]Slope = \frac{6\;-\;(-2)}{-6\;-\;(-9)}\\\\Slope = \frac{8}{-3}[/tex]

Slope = -8/3.

For points C, we have:

[tex]Slope = \frac{3\;-\;(-6)}{3\;-\;(-5)}\\\\Slope = \frac{9}{8}[/tex]

Slope = 9/8.

For points D, we have:

[tex]Slope = \frac{3\;-\;(-5)}{-6\;-\;3}\\\\Slope = \frac{-8}{9}[/tex]

Slope = -8/9.

In Mathematics, the condition for perpendicularity of two lines is:

m₁ × m₂ = -1

9/8 × 8/9 = -1

Thus, points (3,−5) and (−6,3) are perpendicular to line L.

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Complete Question:

Line L has a slope of 9/8. The line through which of the following pair of points is perpendicular to L?

A. (−9,−6),(3,3)

B. (9,−2),(−6,6)

C. (−5,−6),(3,3)

D. (3,−5),(−6,3)

Use the Pythagorean identity
to find cos X.
15
19
?]√
sin x =
COS X =

Answers

Answer:

Step-by-step explanation:

So sin is defined as [tex]\frac{opposite}{hypotenuse}[/tex]. and cosine is defined as [tex]\frac{adjacent}{hypoteunse}[/tex]. So we need the adjacent side. Since we already have the opposite, and hypotenuse, you can use the Pythagorean identity to solve for the missing side: [tex]a^2+b^2 = c^2[/tex]

[tex]15^2 + b^2 = 19^2[/tex]

[tex]225 + b^2 = 361[/tex]

[tex]b^2 = 136[/tex]

[tex]b = \sqrt{136}[/tex]

[tex]b = \sqrt{4} * \sqrt{34}[/tex]

[tex]b = 2\sqrt{34}[/tex]

This is the adjacent side, so now plug this into the cosine equation and you get: [tex]\frac{2\sqrt{34}}{19}[/tex]

For which function is f(5) = 2?

Answers

By evaluating the linear function f(x) = x - 3 at x = 5 and discarding the another function in the table given, we conclude that f(5) = 2 belongs to that linear equation.

What function contains a given relationship?

In this problem we must check if the given relationship between the independent variable (x) and the dependent variable (y) exists in any of the two functions: (i) a table, (ii) an expression.

After a quick analysis, we conclude that f(5) = 2 is a point of the linear function f(x) = x - 3. Here is the proof:

f(5) = 5 - 3

f(5) = 2

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Answer:A which is x-3

Step-by-step explanation:

Which interval is the solution set to 0.35x – 4.8 < 5.2 – 0.9x? (–[infinity], –8) (–[infinity], 8) (–8, [infinity]) (8, [infinity])

Answers

(-∞,8) is interval is the solution to set 0.35x – 4.8 < 5.2 – 0.9x.

How to solve the inequality?

0.35x - 4.8 < 5.2 - 0.9x

Adding 0.9x to both sides of equation.

0.35x - 4.8 + 0.9x < 5.2 - 0.9x + 0.9x

1.25x - 4.8 < 5.2

Adding 4.8 to both sides of equation.

1.25x - 4.8 + 4.8< 5.2 + 4.8

1.25x < 10

Dividing both sides of equation by 1.25

x < [tex]\frac{10}{1.25}[/tex]

Hence x < 8

Thus, (-∞,8) interval is the solution to given set 0.35x – 4.8 < 5.2 – 0.9x.

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two numbers that multiply to equal 20 and that also equal -12

Answers

Answer:

-10 and -2

Step-by-step explanation:

ONLY IF ITS two number that mutiply to equal 20 and their sum is -12

What is the range of y equals square root of x +7+5?

Answers

The range of a function are the dependent variables for which the function exists. The range of the function will be y ≥ 5

Range of a function

The range of a function are the dependent variables for which the function exists

Given the function below;

f(x) = √x+7 + 5

The function can only exist for values less than or equal to -7 that is x ≤ -7.

Substitute

f(-7) =  √-7+7 + 5

f(-7) = 5

The range of the function will be y ≥ 5

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X=
Help me please! Thanks so much

Answers

In the given diagram, the value of x is 15

Circle Geometry

From the question, we are to determine the value of x

From one of the circle theorems, we have that

Opposite angles of a cyclic quadrilateral are supplementary.

Thus, in the diagram

5x + 7x = 180°

12x = 180°

x = 180°/12

x = 15

Hence, the value of x is 15

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Lisandro fabrica juguetes. Si tiene 100 ruedas ¿Cuantos autos puede armar?
Me aydan porfa

Answers

Answer:

25

Step-by-step explanation:

un carro tiene 4 ruedas, entonces divide 100 por 4

100÷4=25

The perimeter of an equilateral triangle is 38 centimeters. Find the length of an
altitude of the triangle. Round to the nearest tenth.

Answers

Answer:

11.0 cm

P=38 cm

38/3=12.67cm length of one side

Base of triangle = 12.67/2 =6.34 cm

Use formula [tex]a^2+b^2=c^2[/tex]

[tex]6.34^2+x^2=12.67^2\\\\=11.0 cm[/tex]

x = altitude of triangle

If you anwser the question i give you brainly

Answers

A function assigns the value of each element of one set to the other specific element of another set. The correct option is A.

What is the inverse of a function?

Suppose that the given function is

[tex]f:X\rightarrow Y[/tex]

Then, if function 'f' is one-to-one and onto function (a needed condition for inverses to exist), then, the inverse of the considered function is

[tex]f^{-1}: Y \rightarrow X[/tex]

such that:

[tex]\forall \: x \in X : f(x) \in Y, \exists \: y \in Y : f^{-1}(y) \in X[/tex]

(and vice versa).

It simply means that the inverse of 'f' is an undone operator, that takes back the effect of 'f'

The graph that represents the inverse of the given function is option A because graph A is showing more rapid growth as compared to the given graph.

Hence, the correct option is A.

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