2 years ago

Help pleaseeeeeeeeeee

Mathematics

1 answer:

Vladimir [108]2 years ago

3 0

6x^2-6x+5 would be the correct answer

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A local florist buys a dozen roses for x dollars. He plans to sell the roses at a 40 % mark-up. What expression shows the sellin

Ira Lisetskai [31]

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1.40x I think :)

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2 years ago

A hyena can run one over four of a mile in 22.5 seconds. At this rate, which equation can be used to determine how fast a hyena

Komok [63]

Answer:

he runs 98 mph

Step-by-step explanation:

Sorry if im wrong

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2 years ago

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The average mass of an ant is approximately 3 × 10 − 3 grams. The average mass of a giraffe is approximately 2 × 10 3 kilograms.

Vika [28.1K]

Given that average mass of an ant $= 3 \times 10^{-3}$ grams.

Given that average mass of a giraffe $= 2 \times 10^{3}$ Kilograms.

Now we have to find about how many times more mass does a giraffe have than an ant. Before carring out any comparision, we must make both units equal.

Like convert kilogram into gram or gram into kilogram.

I'm going to convert kilogram into gram using formula

1 Kg = 1000 g

So the average mass of a giraffe $= 2 \times 10^{3} *10^3$ grams.

Now we just need to divide mass of giraffe by mass of ant to find the answer.

$\frac{2 \times 10^{3} *10^3 }{3 \times 10^{-3} }$

$= \frac{2 \times 10^{3} *10^3 *10^{3}}{3 }$

$= \frac{2 \times 10^{3+3+3}}{3 }$

$= \frac{2 \times 10^9}{3 }$

$= \frac{2}{3 } \times 10^9$

=666666666.667

Hence final answer is $\frac{2}{3 } \times 10^9$ which is approx 666666666.667.

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2 years ago

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jasenka [17]

Answer:

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Step-by-step explanation:

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True or false: a closed circle is used when a number is a not solution

aksik [14]

False

. A closed circle is used when a number is a solution. An arrow to the left or right shows that the graph continues in that direction.

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2 years ago