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Paladinen [302]
3 years ago
8

8(3a+6)=2a-4

Mathematics
1 answer:
NISA [10]3 years ago
4 0
A=-26/11 —> you will solve for a by simplifying both sides of the equation, then isolating the variable.
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amm1812
The value of 4 is Hundreds.
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(18 + 7) x (11 - 7) write 3 steps then answer it and i will give u brainlyiest if u are correct
bezimeni [28]

Answer:

100

Step-by-step explanation:

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I'm so confused. Please help I tried the first time got 50 some thing then 33 then 20.25. How do I do this?
vazorg [7]

Answer:

Basically, you have to think: more bricks : more time

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5 0
3 years ago
What is the mass (in grams) of 8.11×1026 CO2 molecules?
Kobotan [32]

Answer:

<u>It</u><u> </u><u>is</u><u> </u><u>5</u><u>9</u><u>,</u><u>2</u><u>7</u><u>5</u><u>.</u><u>7</u><u>4</u><u> </u><u>grams</u>

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
3 years ago
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pshichka [43]
I believe the anwser to be 15 marbles
3 0
3 years ago
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