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3 years ago

11

Please help me answer these questions!

2 answers:

FromTheMoon [43]3 years ago

5 0

I'm pretty sure the answer is 259

Alex Ar [27]3 years ago

3 0

The first term is 6^0 = 1. The common ratio r is 6. There are 4 terms in the series.

Using the formula for sum of geometric series S = a(1-r^n)/(1-r),

S = (1-6^4)/(1-6) = 259

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Which of the following statements about points are false?

vagabundo [1.1K]

Answer:

their sizes vary

Step-by-step explanation:

their sizes vary

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3 years ago

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Geometry Helps please<br> (Only correct Answers only please) Thanks!

nlexa [21]

Answer:

301.44 cubic units

Step-by-step explanation:

$volume \: of \: cone \\ \\ = \frac{1}{3}\pi {r}^{2} h \\ \\ = \frac{1}{3} \times 3.14 \times {(6)}^{2} \times 8 \\ \\ = \frac{1}{3} \times 3.14 \times 36 \times 8 \\ \\ = 3.14 \times 12 \times 8 \\ \\ = 301.44 \: {units}^{3} \\ \\ \red{ \bold{volume \: of \: cone = 301.44 \: {units}^{3}}}$

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3 years ago

Robert donated $.15 to charity ever day. How much money did he donate after 150 days? ( explain how plz)

Kay [80]

The answer is 22.5!!!XD

I got this answer by multiplying 0.15 times 150 and I got 22.5

Hope this helped!!!XD

8 0

3 years ago

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The table shows the concentration of a reactant in the reaction mixture over a period of time.

saveliy_v [14]

<h3>Option C</h3><h3>The average rate of the reaction over the entire course of the reaction is: $2.0 \times 10^{-3}$ </h3>

<em><u>Solution:</u></em>

Average rate is the ratio of concentration change to the time taken for the change

$Average\ rate = \frac{ \triangle c }{\triangle t }$

The concentration of the reactants changes 1.8 M to 0.6 M

here, the time interval given is 0 to 580 sec

Therefore,

$Average\ rate = \frac{1.8-0.6}{580} \\\\Average\ rate = \frac{1.2}{580} \\\\Average\ rate \approx 2.0 \times 10^{-3}$

Thus option C is correct

5 0

3 years ago

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laiz [17]

Answer:

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Step-by-step explanation:

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7 0

3 years ago