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2 years ago

Simplify the following expression(-5)(-3)(4)

Mathematics

2 answers:

rusak2 [61]2 years ago

8 0

(-5)(-3)(4)
(15)(4)
(60)

60 is the answer

marissa [1.9K]2 years ago

4 0

Answer:

$\displaystyle 60$

Step-by-step explanation:

All you do is multiply the terms straight across to get the above answer.

I am joyous to assist you anytime.

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What is the mass (in grams) of 8.11×1026 CO2 molecules?

Kobotan [32]

Answer:

It is 59,275.74 grams

Step-by-step explanation:

• Molecular mass of carbon dioxide

$= (12 \times 1) + (16 \times 2) \\ = 12 + 32 \\ = 44 \: g$

[ molar masses: C = 12 g, O = 16 g ]

• From avogadro's number, it says 1 mole contains 6.02 × 10^23 molecules or atoms.

But 1 mole is equivalent to its molar mass in terms of weight, therefore;

${ \sf{6.02 \times {10}^{23} \: molecules = 44 \: g }}\\ { \sf{8.11 \times {10}^{26} \: molecules =( \frac{8.11 \times {10}^{26} }{6.02 \times {10}^{23} } \times 44) \: g}} \\ \\ = { \boxed{ \boxed{ \bf{59275.7 \: \: g}}}}$

6 0

2 years ago

Need help with this question regarding functions. :)

Tanzania [10]

The Y-intercept is found when X is equal to 0.

In the table, when X is 0, f(x) is 1.

On the graph, when X is 0 the line crosses at Y = 1.

This means that they are equal.

The answer would be equal to.

4 0

3 years ago

The difference of two number is 1. Their sum is 11. Find the numbers

evablogger [386]

I think the answer is 6 and 5 because 6+5=11 and 6-5=1

5 0

2 years ago

Read 2 more answers

a dealer sells a camera to a man and makes 15% profit. The man sells the camera to another man for 414$ with 10% loss. Find the

WARRIOR [948]

Answer:

$386.75

Step-by-step explanation:

First we must find the price of the camera after the man sold it, with the 10% loss.

To do this we find 10% of 414, which is 41.4 . Meaning the camera was originally bought from the dealer for $455.40, as we have to add the 10% back onto the price.

Now we find 15% of 455 and subtract it, with 15% being 68.25, the original cost was $386.75. My guy was seriously ripped off :(.

<h2>Orignal price: $386.75</h2>

6 0

3 years ago

How do you solve y+1=2x

vampirchik [111]

y =2x-1

Step-by-step explanation:

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2 years ago