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2 years ago

Describe a situation where it is easier to use decimals than fractions , explain why .

Mathematics

2 answers:

Doss [256]2 years ago

6 0

When ur handling with money u would wanna use decimals instead of fractions e.g. $2.40 is a decimal

Sedbober [7]2 years ago

4 0

Division, because the process is a lot shorter than using a fraction.

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What is the domain and range of the function f(x) = x^2 -4x-5?

Tems11 [23]

F(x) = x²-4x-5, quadratic function,
Domain (the values if x) is all real numbers.

To find range we should draw a graph or to write an equation in vertex form.
f(x) = x²-4x+4-4-5
f(x) = (x-2)²-9
Point (-2,-9) is the vertex of the parabola, and it is a minimum because a parabola has positive sign in front of x², so it is looking up. Minimum value of y =-9
Range(the values of y) is [-9, ∞)

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2 years ago

Bryant collected 2 pounds of newspaper for the recycling drive. Luther collected 3 7/8 times as much newspaper as Bryant. How ma

True [87]

Answer:

Luther collected 7.75 pounds of newspaper

Step-by-step explanation:

2 times 3.875

7.75

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2 years ago

What is the area of this shape?

stepan [7]

Answer:

10 I think

Step-by-step explanation:

well we add it all together 2+1+3+4

7 0

2 years ago

Read 2 more answers

The moon is about 240,000 miles from earth earth what is the distance written as a whole number multiplied by a power of ten

Varvara68 [4.7K]

<span>This would be 24 X 10⁴</span>

7 0

2 years ago

A number plus itself, plus twice itself, plus 4 times itself is equal to -104

NARA [144]

The scenario will will be represented by: $x+x+2x+4x=-104$

The number will be -13

Step-by-step explanation:

We have to convert the given situation into the mathematical form

Let x be the number

Then

"a number plus itself"

x+x

"plus twice itself"

x+x+2x

"plus 4 times itself"

x+x+2x+4x

"is equal to -104"

$x+x+2x+4x=-104$

This can also be written as:

$x+x+2x+4x=-104\\8x=-104\\Dividing\ both\ sides\ by\ 8\\\frac{8x}{8}=\frac{-104}{8}\\x=-13$

Keywords: Linear Equation

Learn more about linear equation at:

#LearnwithBrainly

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2 years ago