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Karo-lina-s [1.5K]
3 years ago
15

During a dry year, the reservoir level dropped 512 feet. The next year the level rose 314 feet. Which expression shows the total

change in reservoir height, in feet, during these two periods?
Mathematics
1 answer:
tia_tia [17]3 years ago
5 0

Answer:

You will be hot as shet

Step-by-step explanation:

e

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A bucket was 4/7 of the way
mestny [16]

Answer:

2 1/3 minutes

Step-by-step explanation:

4/3 minute = 80 seconds

80/4 (from 4/7) =

20 seconds per 1/7

20 * 7 = 140

140 to minutes = 2minutes and 20 sec or 2 1/3 minutes

3 0
3 years ago
Find the square root of 0.001369 by division method​
katovenus [111]
The answer is .037
I did this by putting it in the calculator:)
7 0
3 years ago
A circular cardboard piece is needed for the base of a volcano model. The volcano is 46 centimeters tall and has a volume of 800
Alenkinab [10]
For this case we can model the problem as a cylinder.
 The volume of a cylinder is given by:
 V = Ab * h

 Where,
 Ab: base area
 h: cylinder height
 Substituting values in the equation we have:
 800 = Ab * 46

 From here, we can clear the area of the base
 Answer:
 
An equation that can be used to find the area of the circular base is:
 
800 = Ab * 46
7 0
3 years ago
Read 2 more answers
The difference between two integers is 8 and their product is 65. Assume that the larger of the two numbers is x. Write a quadra
zzz [600]

A quadratic equation in standard form that can be used to determine the value of x is x^{2} - 8x - 65 = 0.

The Factor of the equation from Part B is (x - 13)(x + 5)  and the possible solutions to the equation is x = 13 or -5.

The value for the second number is 5

<h3>Word Problem Leading To Quadratic Equation.</h3>

The general formula for quadratic equation in a in standard form is

ax^{2} + bx + c = 0

Given that the  difference between two integers is 8

Let the two integers = x and y,

and their product is 65. If the larger of the two numbers is x. Then,

x - y = 8 and xy = 65

Since we are looking for the value of x, make y the subject of formula in the first equation.

y = x - 8

Substitute y in the second equation.

x(x - 8) = 65

x^{2} - 8x - 65 = 0

x^{2} - 13x + 5x - 65 = 0

(x - 13)(x + 5) = 0

x = 13 or -5

We will ignore -5 since x is the larger number.

To get y Substitute x in the second equation.

xy = 65

13y = 65

y = 65/13

y = 5

Therefore, a quadratic equation in standard form that can be used to determine the value of x is x^{2} - 8x - 65 = 0. The Factor of the equation from Part B is (x - 13)(x + 5)  and the possible solutions to the equation is x = 13 or -5. The value for the second number is 5

Learn more about Quadratic Equation here: brainly.com/question/25841119

#SPJ1

5 0
2 years ago
Find the solution to the system of equations,
olya-2409 [2.1K]
A is the answer :)
Since we are given z = 8, finding y is simple.
By replacing the z in y + z = 11, we can see that y = 3
After finding these two, x can be found
5 0
2 years ago
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