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3 years ago

Equations and functions

Mathematics

2 answers:

Brilliant_brown [7]3 years ago

6 0

Answer:

first one

Step-by-step explanation:

Absolute value functions usually have that shape. The only absolute value function out of all of the answer choices is the first one.

Anit [1.1K]3 years ago

6 0

Answer:

it is c

Step-by-step explanation:

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which of the following is a true statement? a. 4/5 < 0.80 <8% b. 4/5 = 0.80 = 80% c. 4/5 = 0.80 = 8% d.4/5 < 0.80 <

alekssr [168]

To find the true statement:

The simplest fraction value of 4/5 is,

$\frac{4}{5}$

The simplest fraction value of 0.80 is,

$\begin{gathered} 0.80=\frac{80}{100} \\ =\frac{4}{5} \end{gathered}$

The simplest fraction value of 80% is,

$\frac{80}{100}=\frac{4}{5}$

Hence, all having the same value.

So that, the correct option is b.

$\frac{4}{5}=0.80=80\text{percentage}$

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9 months ago

A plumbing bill was $200. This included $50 for parts and $25 per hour for labor. Find the number of hours of labor.

pogonyaev

Answer:

6 hours

Step-by-step explanation:

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3 years ago

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Help!!!!!!!!!!!!!!!!!!!!!

MariettaO [177]

Step-by-step explanation:

$5 \: mile = > 8km \\ 60 \: mile = > x \\ 5x = 60 \times 8 \\ 5x = 480 \\ x = \frac{480}{5} \\ x = 96 \\ thank \: you$

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2 years ago

Read 2 more answers

1st and 2nd question.

Svetradugi [14.3K]

U have to multiple it and u get ur Answer

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3 years ago

Question 3

crimeas [40]

Answer:

D = 141

Step-by-step explanation:

The given quadratic equation is

$5x^2+9x=3\\\\5x^2+9x-3=0$ .

It is required to find the value of the discriminant. The value of discriminant of any quadratic equation is given by :

$D=b^2-4ac$

Here, a = 5, b = 9 and c = -3

On plugging all the values, we get :

$D=(9)^2-4\times 5\times (-3)\\\\D=141$

So, the value of discriminant for y is 141.

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2 years ago