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cluponka [151]
2 years ago
8

Emily filled an empty horse trough with water. The water level, in centimeters, is proportional to time elapsed, in minutes, sin

ce she began filling the trough. The graph shows this relationship.
(a) What rate does the point represent? Explain.
(b) What is the unit rate for the situation in terms of centimeters/minute? Explain.
(c) Explain how the points and show that the water level varies directly with the time elapsed.
Mathematics
1 answer:
saul85 [17]2 years ago
6 0

Answer:

the unit of the rate is 3.5cm since, the rate is 8,28. The two point lies on 3.5

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7 0
3 years ago
Please Help!, Brainliest to whoever helps
Tanya [424]
B for sure!!!!!!!!!!!!!!!!!!!
6 0
3 years ago
Find the value of the discriminant for <img src="https://tex.z-dn.net/?f=7x%5E%7B2%7D%20%2B5x%2B1%3D0" id="TexFormula1" title="7
kondor19780726 [428]

Answer:

No real roots

Step-by-step explanation:

Given

7x² + 5x + 1 = 0 ← in standard form

with a = 7, b = 5, c = 1

To determine the nature of the roots use the discriminant

Δ = b² - 4ac

• If b² - 4ac > 0 then roots are real and distinct

• If b² - 4ac = 0 then roots are real and equal

• If b² - 4ac < 0 then the roots are not real

Here

b² - 4ac = 5² - (4 × 7 × 1) = 25 - 28 = - 3

Thus the 2 roots are not real

7 0
3 years ago
Write an algebraic expression to represent each statement<br> 50 added to half of a number, c
Fittoniya [83]

The expression represented by 50 added to half of a number, c is 50 + c/2

<h3>What are expressions?</h3>

Expressions are mathematical statements that are represented by variables, coefficients and operators

<h3>How to translate the algebraic expression?</h3>

The expression is given as

50 added to half of a number, c

half of a number, c means divide c by 2

So, we have

50 added to half of a number, c  => 50 added to c/2

Added to means +

So, we have

50 added to half of a number, c  => 50 + c/2

Hence, the expression represented by the statement is  50 + c/2

Read more about expressions at

brainly.com/question/22019327

#SPJ1

7 0
1 year ago
Transform x2 + 6x + 8 = 0 into the form (x − p)2 = q?
liraira [26]
So hmmm x²+6x+8=0

alrite.. let's do some grouping now
( x² + 6x + [?]²) + 8 = 0

notice above, we have a missing fellow in order to get a perfect square trinomial... hmm who would that be?

let's take a peek at the middle guy of the trinomial.. 6x.. hmmm let's factor it, 2*3*x, wait a minute!  2 * 3 * x... we already have x² on the left-side, since the middle term is just 2 * the square root of the other two terms, that means that the guy on the right, our missing guy must be "3"

alrite, let's add 3² then, however, bear in mind that, all we're doing is borrowing from our very good friend Mr Zero, 0

so if we add 3², we also have to subtract 3², let's do so

(x² + 6x +3² - 3²) + 8 = 0

(x² + 6x +3²) + 8 - 3² = 0

(x+3)²=3² - 8

(x+3)² = 1
5 0
3 years ago
Read 2 more answers
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