3 years ago

Subtract four thirds from one seventeenth of sixty-three.

Mathematics

2 answers:

Vlad1618 [11]3 years ago

6 0

Answer:

-2.3749

Step-by-step explanation:

I ask goggle that is how I got the answer

dimulka [17.4K]3 years ago

3 0

Answer:

-720

Step-by-step explanation:

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oksano4ka [1.4K]

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3 years ago

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;

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

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3 years ago

2. What is the solution to the equation? If necessary, round your answer to the nearest tenth. A. 3x^2 = 48 B. x^2 – 2 = 12

stealth61 [152]

The first one is 4, and the second one is 3.7

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3 years ago

7. Give the x-intercept and y-intercept of the graph and three more solutions

Sveta_85 [38]

Answer:

can you please show the graph and problems I would love to help

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3 years ago

What is the vertex of the parabola? A. (-1,0) B. (0,-3) C. (1,-4) D. (3,0)

-BARSIC- [3]

The vertex of a parabola is its highest or lowest point. Here, it is the lowest point, which happens right at the bottom of the U-shape—at (1, –4). Therefore, the answer is C.

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3 years ago