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3 years ago

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Rational numbers can be expressed as? A- real numbers C- whole numbers Rational numbers can be expressed as? A- real numbers B-

decimals C- whole numbers D- fractions Follow Report Abuse Are you sure you want to delete this answer? Yes No

1 answer:

Anettt [7]3 years ago

8 0

Hello there.

<span>Rational numbers can be expressed as

</span><span>quotient or fraction</span>

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3 years ago

What is the surface area of the right cone below?

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<h2> $\red{Solution} \blue \longrightarrow$ </h2>

Total surface area of cone is 176π

<h3>Explanation:</h3>

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3 years ago

Whats the value of x in 3x+9=44-2x

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3 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

Liz and Sara are making cookies for a bake sale. The graph shows the number of cookies that Liz bakes during a 5-hour period.

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<u>Statements</u>

<u>case A)</u> Sara had baked more cookies at the start of the $5$ hours than Liz

The statement is True

we know that

At the start of the $5$ hours Liz has baked $220$ cookies-----> see the graph

Find the number of cookies that Sara has baked for $x=5$ hours

$y=45x+38$

$y=45*5+38=263$

$263 > 220$

therefore

Sara had baked more cookies at the start of the $5$ hours than Liz

<u>case B) </u>Sara bakes $45$ cookies each hour

The statement is True

we know that

The number of cookies baked each hour is equal to the slope of the linear equation

The linear equation is

$y=45x+38$

The slope is $m=45\frac{cookies}{hour}$

<u>case C)</u> Liz bakes $19$ cookies each hour

The statement is false

Find the slope of the Liz graph

The slope is equal to

$m=\frac{y2-y1}{x2-x1}$

Let

$A(0,19)\ B(4,179)$

Substitute the values

$m=\frac{179-19}{4-0}$

$m=40\frac{cookies}{hour}$

<u>case D)</u> Liz bakes more cookies each hour than Sara

The statement is False

Sara bakes $45$ cookies each hour

Liz bakes $40$ cookies each hour

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4 years ago