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iogann1982 [59]

3 years ago

7

The value of t can be determined by using the expression 2.75s. Which table represents the relationship between the values of t

and s?

2 answers:

ad-work [718]3 years ago

6 0

This isn't a table, but you can easily make it into one.

s t
-2 -5.5
-1 -2.75
0 0
1 2.75
2 5.5

valentina_108 [34]3 years ago

3 0

THE ANSWER IS: PLEASE PUT AS BRAINLIST! THX AND YW ;)

S - T

0 - 0

3 - 8.25

4 - 11

7 - 19.25

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Erik and Caleb were trying to solve the equation: 0=(3x+2)(x-4) Erik said, "The right-hand side is factored, so I'll use the zer

Mumz [18]

Answer:

C) Both

Step-by-step explanation:

The given equation is:

$0=(3x+2)(x-4)$

To solve the given equation, we can use the Zero Product Property according to which if the product <em>A.B = 0</em>, then either A = 0 OR B = 0.

Using this property:

$(3x+2) = 0 \Rightarrow \bold{x = -\frac{2}{3}}\\(x-4) = 0 \Rightarrow \bold{x = 4}$

So, Erik's solution strategy would work.

Now, let us discuss about Caleb's solution strategy:

Multiply $(3x+2)(x-4)$ i.e. $3x^2-12x+2x-8$ = $3x^2-10x-8$

So, the equation becomes:

$0=3x^2-10x-8$

Comparing this equation to standard quadratic equation:

$ax^2+bx+c=0$

a = 3, b = -10, c = -8

So, this can be solved using the quadratic formula.

$x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}$

$x=\dfrac{-(-10)\pm\sqrt{(-10)^2-4\times3 \times (-8)}}{2\times 3}\\x=\dfrac{-(-10)\pm\sqrt{196}}{6}\\x=\dfrac{10\pm14}{6} \\\Rightarrow x= 4, -\dfrac{2}{3}$

The answer is same from both the approaches.

So, the correct answer is:

C) Both

3 0

3 years ago

Y=2x-7<br> y=-3x+18 <br> solve by substitution

Liono4ka [1.6K]

Answer:

-x+11

Step-by-step explanation:

am not sure if this is correct but

2x-3x=-x

-7+18=11

-x+11

8 0

2 years ago

\a truck travels at an average of 55 miles per hour once inside city limits the truck decreases it speed by 40 percent what is t

grandymaker [24]

Answer: 33 mph

Step-by-step explanation:

First find out what 40% of 55 is:

= 40% * 55

= 22 mph

This means that the speed reduces by 22 mph inside the city.

The speed inside the city is therefore:

= 55 - 22

= 33 mph

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2 years ago

Which set of ordered pairs represents a function?

PSYCHO15rus [73]

Your answer would be C im pretty sure

7 0

3 years ago

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adelina 88 [10]

First of all, they need to triple their profits. So 87 x 3 = 241.

When you read the question, it says at least. In inequality terms, that means greater than equal to. You’d do this:

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3 years ago