A hose is used to fill up a 1,200 gallon water truck. Water flows form the hose at a constant rate. After 10 minutes, there are 65 gallons of water in the truck. After 15 minutes there are 82 gallons of water in the truck. How long will it take to fill up the truck?

Answers

Answer 1

Answer:

The time it would take to fill up the truck is approximately 344 minutes

Step-by-step explanation:

The given parameters of the truck are;

The volume of the water truck, V = 1,200 gallon

The rate at which water flows from the hose. m = Constant rate

The volume of water in the truck after t₁ = 10 minutes is V₁ = 65 gallons

The volume of water in the truck after t₂ = 15 minutes is V₂ = 82 gallons

Therefore, the rate at which water flows from the hose to the truck, 'm', is given by the equation for the slope of a straight (constant variation) line, as follows;

[tex]m = \dfrac{V_2 - V_1}{t_2 - t_1}[/tex]

Therefore, we have;

[tex]m = \dfrac{82 \, gallons - 65 \, gallons}{15 \, minutes - 10 \, minutes} = 3.4 \, gallons/minute[/tex]

The point and slope form of the straight line equation relationship between the volume in the tank and the time of flow is given as follows;

V - 82 = 3.4 × (t - 15)

Therefore, the slope and intercept form of the equation is given as follows;

V = 3.4·t - 15 × 3.4 + 82 = 3.4·t + 31

∴ V = 3.4·t + 31

When the tank is filled, V = 1,200 gallons, therefore, we have;

1,200 = 3.4·t + 31

3.4·t = 1,200 - 31 = 1,169

t = 1,169/3.4 = 5845/17 = 343.[tex]\overline{8235294117647058}[/tex]

The time it would take to fill up the truck, t = 343.[tex]\overline{8235294117647058}[/tex] minutes ≈ 344 minutes.


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Simplify the expression. Write your answer using only positive exponents.

p^-5​

Answers

Answer:

1/p⁵

Step-by-step explanation:

Help asap! 20 pooints best answer for both questions

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Both is D.

ax^2. Bigger a is, narrower it is.

-5 means goes down.

Answer:

Both of them would be D!

Step-by-step explanation:

Hope this helps, sorry if I am wrong.

Which of the following equations have only one solution? Select all correct answers.
x²-x-6=0
5 x2 + 20 x+ 20 = 0
9x2 - 25 = 0
4x2+4 x=0
12+ 6 x+9= 0​

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Answer:

The equations which have only one solution is: 5x²+20x+20=0,

Step-by-step explanation:

Answer:

5x^2 + 20x + 20 = 0

12+ 6x +9= 0​

Step-by-step explanation:

5x^2 + 20x + 20 = 0  /5             12 + 6x + 9 = 0        

x^2 + 4x + 4 = 0                          6x = -9-12

(x+2)^2=0                                    6x = -21

x + 2 = 0                                      x = -21/6

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That’s the picture can u help me now???

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Answer:

A

Step-by-step explanation:

The answer to this is a


A space ship travels at 24 miles per hour and traveled for 28 hours.

Select the answer that represents how many miles the space ship traveled.
A 212
B 24
C 22
D 232

Answers

Answer:

2^4 = 16miles

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Step-by-step explanation:

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Mr. Gray's quiz was normally distributed with a mean of 25 and a standard deviation of 10. Find z-scores for each of the following data values

a. 40
b. 27
c. 6

Answers

Answer:

a. 1.5

b. 0.2

c -1.9

Step-by-step explanation:

The computation of the z scores of each of the following data values are as follows:

As we know that

z = (data values - mean)÷ standard deviation

Now

a. The z value is

= (40 - 25) ÷ (10)

=  1.5

b. The z value is

= (27 - 25) ÷ 10

= 0.2

c. The z value is

= (6 - 25) ÷ 10

= -1.9

evaluate 6m + 1 for m = -2
13
-13
11
-11
-5​

Answers

Answer:

m= −2 /7

Step-by-step explanation:

Let's solve your equation step-by-step.

6m+1m=−2

Step 1: Simplify both sides of the equation.

6m+1m=−2

6m+m=−2

(6m+m)=−2(Combine Like Terms)

7m=−2

7m=−2

Step 2: Divide both sides by 7.

7m /7 = −2 /7

I NEED HELPPP ON THIS PLZZZ

Answers

Answer:

Perimeter of ABCD = 56 units

Perimeter of WXYZ = 140 units

Step-by-step explanation:

To find the perimeter of ABCD, find the sum of all sides

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To find the side lengths of WXYZ, use the equation:   [tex]\frac{image}{pre-image}[/tex]

45/18 = 2.5

You can also cross multiply to find the missing side lengths, but I'll show you this other way...

Multiply the pre-image side lengths by 2.5

18 × 2.5 = 45

10 × 2.5 = 25

45 and 25 of the new side length of WXYZ

To find the perimeter of  WXYZ, find the sum of all sides.

45 + 45 + 25 + 25 = 140

WX = 45, XY = 25, YZ = 45, ZW = 25

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Answer: A

Step-by-step explanation:

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Find the output, y, when the input, x, is -9.

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Answer:

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Answer:

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Step-by-step explanation:

change the voice of do you repair cars​

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meow sjajaioakhaabha
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Lamar used 7/8 of a cup of raisins to make snacks mix. he used 3/4 of a cup of raisins to make cookies what expression could be used to determine the amount of raisins in cups Lamar used together


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The answer is B.

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While shopping Marcy spent $59. If the amount she spent is 25% of her savings, how much savings did she have before she shopped

Answers

Answer:

Savings= $236

Step-by-step explanation:

Giving the following information:

Money spent= $59

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To calculate the total savings before shopping, we need to use the following formula:

Savings= money spent / proportion of savings

Savings= 59 / 0.25

Savings= $236

*ANSWER ASAP* how many times greater is 9 times 10^(5) than 8 times 10^(2)

Answers

9*10^5/8*10^2, apply the quotient exponenet laws to the 10’s with the powers.
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Answers

Answer:

60 students-530 Question 1.

Step-by-step explanation:

GIVING BRAINLIEST


ABC is dilated by a factor of to produce A'B'C'.






What is AB, the length of AB after the dilation? What is the measure of <A?​

Answers

Answer: The answer is A

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A

Step-by-step explanation:

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Answers

Step-by-step explanation:

120° because opposite angles of parm are equal

120 degrees is the answer

Factorise x to the power of 4n + x to the power of 2n + 1 completely where n is an odd integer.​

Answers

Answer:

[tex]x^{3}x^{4m}(x^{4m+1} + 1)[/tex]

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

x⁴ⁿ + x²ⁿ⁺¹ = x²ⁿ⁺¹(x²ⁿ⁻¹ + 1)

n is an odd integer, let n = 2m + 1

Then

2n - 1 = 2(2m + 1) - 1 = 4m + 2 - 1 = 4m + 12n + 1 = 2(2m + 1) + 1 = 4m + 2 + 1 = 4m + 3x²ⁿ⁺¹(x²ⁿ⁻¹ + 1) = [tex]x^{4m + 3}(x^{4m+1} + 1)[/tex] =[tex]x^{3}x^{4m}(x^{4m+1} + 1)[/tex]

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[tex] \sqrt{387 \times 387} [/tex]

Answers

Answer:

√{387×387}=√387²=387 is your answer

a right triangle has side lengths a, b, and c as shown below. Use these lengths to find tanx, sinx, and cosx.​

Answers

Answer:

Tanx= b/c

Sinx=b/a

Coax=c/a

Step-by-step explanation:

1. What is the rule for the function table? *

Answers

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Assignment: Wed : Finding Unit Rates (7.RP.1, 7. RP.2, 7.RP.2a
Problem ID: PRABDPF7
In
1
10
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The

Answers

Answer:

5

Step-by-step explanation:

. Jumbo bought 5 books, each with a whole-number price.
The mean price of the books was $10. The median price was $8.
The most expensive book cost $15 and the cheapest cost $6.
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Answers

Mean is average. Multiply total books by the mean to find the total cost:

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Subtract the highest and lowest prices to find the total of the remaining 3 books.

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A car travelling at a constant speed travels 90km in 50 min .How far travelling at the same constant speed will the car travel in 2 hours and 25 minutes?​

Answers

Answer:

261 km

Step-by-step explanation:

given,s=constant

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=145min

therefore,d2=(90×145)/50

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Answers

Answer:

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Step-by-step explanation:

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GIVING BRAINIEST!
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Answers

..........the answer is B

If a rectangle has an area of x^2+x-20 and a width of x-4, what is the length?

Answers

Answer:

This (x - 5) represents the length of the rectangle.

Step-by-step explanation:

The formula for the area of a rectangle of length L and width W is A = L * W.

Here, the width is x - 4 and the area is x^2 + x - 20.  Dividing the width (x - 4) into the area results in an expression for the length:

x - 4  /   x^2 + x - 20

Let's use synthetic division here.  It's a little faster than long division.

If the divisor in long division is x - 4, we know immediately that the divisor in synthetic division is 4:

4   /   1    1    -20

              4     20

    --------------------

         1     5     0

This synthetic division results in a remainder of 0.  This tells us that 4 (or the corresponding (x - 4) is indeed a root of the polynomial x^2 + x - 20, and so *(x - 4) is a factor.  From the coefficients 1 and 5 we can construct the other factor:  (x - 5).  This (x - 5) represents the length of the rectangle.

I WILL GIVE BRAINLIEST TO THE PERSON WHO ANSWERS THIS QUESTION CORRECT
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Answers

It would take 100.42 year for you to reach 1 million dollars.

Identify the y coordinate for the solution to the system of equations. Solve the system using substitution.


y=2x-11

4x + 3y =-13

Answers

Answer:

(2,-7)

Step-by-step explanation:

Plug the first equation into the second equation.

4x+3(2x-11)=-13

4x+6x-33=-13

10x=20

x=2

Now, plug the value of x into one of the equations in order to find y.

y=2(2)-11

y=4-11

y=-7

peyton is going to invest  $310 and leave it in an account for 16 years assuming the interest is compounded quarterly what interest rate to the nearest hundredth of a percent would be required in order for peyton to end up with $530

Answers

Answer:

3.35

Step-by-step explanation:

Answer:

3.37

Step-by-step explanation:

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