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DENIUS [597]
2 years ago
13

If martha has 4/5 of a tank of gas and uses 1/10 each day, how many days will it take to empty?

Mathematics
2 answers:
sineoko [7]2 years ago
8 0
It will be 8 days until the tank is empty
meriva2 years ago
6 0

Answer: 8

Step-by-step explanation:

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Carissa counts by 5s from 32 to 62. Which number does carissa count?
polet [3.4K]

Answer:

32, 37, 42, 47, 52, 57, 62.

Step-by-step explanation:

It is given that Carissa counts by 5s from 32 to 62.

It means, we have to add 5 in the number to get the next number.

Add 5 in 32.

32+5=37

Now, add 5 in 37.

37+5=42

Similarly, continue the process.

42+5=47

47+5=52

52+5=57

57+5=62

Therefore, the numbers counted by carissa are 32, 37, 42, 47, 52, 57, 62.

8 0
3 years ago
The confidence interval is reported as follows: Lower 95% CI < p < Upper 95% CI For this question you will be calculating
monitta

Answer:

lower 95% Cl is 0.292

Step-by-step explanation:

p^ = 0.4783

n = 23

for 95% Cl,

z = 1.9600

Inputting all the available data into P as attached below

LCL = 0.292

UCL = 0.670

therefore, lower 95% Cl = 0.292

7 0
3 years ago
Which could be a first step in solving the equation
Airida [17]

A first step in solving the equation 1/4 x + 1/2 = 3/4x will be answer A multipllied by 4 on both sides.

What is an equation?

The equation is actually a relationship between the numbers and the variables.The given equation is  1/4 x + 1/2 = 3/4x

Now the solution of the equation will be:-

1/4 x + 1/2 = 3/4x

By multiplying with 4 the equation will become:-

x+2=3x

3x-x=2

2x=2

x=1

Hence the solution of the given equation will be x=1

To know more about equations follow

brainly.com/question/2972832

#SPJ1

7 0
2 years ago
The current I in a device is related to time t by the equation I=10t-5t^2+2.Calculate the maximum current and time taken to reac
taurus [48]

Answer:

  • maximum current: 7
  • time to reach maximum: 1

Step-by-step explanation:

The equation can be rewritten to vertex form to find the maximum value:

  I = -5(t^2 -2t) +2 . . . . . . factor leading coefficient from variable terms

  I = -5(t^2 -2t +1) +2 -(-5(1)) . . . . . add and subtract the square of half the t coefficient

  I = -5(t -1)^2 +7 . . . . . . write in vertex form

The vertex of the graph is at (t, I) = (1, 7).

The maximum current of 7 is reached at t=1.

7 0
3 years ago
Read 2 more answers
If an object is dropped from a height of 45 feet, the function d = - 16t ^ 2 + 45 gives the height of the object after t seconds
Fiesta28 [93]

The time taken by the object to reach the ground is 1.677 (app.)

Explanation:

The given function is d=-16 t^{2}+45

To graph the function in the graph, let us substitute the values for t to find the value of d.

t             d

0           45

1            29

2          -19

3          -99

4          -211

5          -355

These values are plotted in the graph which is attached below:

To determine the time it takes the object to reach the ground, let us substitute d=0 in the function d=-16 t^{2}+45, we get,

      0=-16 t^{2}+45

  -45=-16t^2

     45=16t^2

2.8125=t^2

\pm1.677=t

The value of t cannot be negative.

Thus, t=1.677 (app.)

Thus, the time taken by the object to reach the ground is 1.677 (app.)

3 0
3 years ago
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