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boyakko [2]
3 years ago
15

HELP PLEASE ILL GIVE BRAINLIEST

Mathematics
2 answers:
VMariaS [17]3 years ago
5 0
The correct answer is 21
marshall27 [118]3 years ago
4 0

Answer:

1 is wrong

Step-by-step explanation:

13*2=26

13*20=260

not 143

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What is the 11th term of the geometric sequence 3,6,12,24,…?
Mamont248 [21]

Answer:

The 11th term is 3072.

Step-by-step explanation:

First, find the common ratio and the first term. The common ratio is 6/3 or 2. The first term is 3.

Use the direct formula, xi=a*r^i-1, to find the eleventh term. a is first term, and i is the index or the number of the term.

Substitute: x11=3*2^(11-1)

Or x11=3*2^10

So x11 is 3072

5 0
3 years ago
Plz answer this question:
d1i1m1o1n [39]

Yes, Lord Vader !

                                               2/3 x + 5   = 1/2

Multiply each side by  2 :       4/3 x + 10  =  1

Multiply each side by  3 :         4  x + 30  =  3  <== equivalent equation
                                                                                without fractions
 
Subtract  30  from each side:  4x             =  -27

Divide each side by  4 :            x              =  -27/4  =  -6.75 

6 0
3 years ago
A particle moves along the curve y=7 x 2+4y=7 x 2+4 in such a way that its xx-coordinate is changing at a rate of −5−5 centimete
ArbitrLikvidat [17]

Answer:

The y-coordinate is changing by the rate of -70 cm per sec.

Step-by-step explanation:

Given equation,

y = 7x^2 + 4

Differentiating with respect to time (t),

\frac{dy}{dt}=14x \frac{dx}{dt}

We have,

\frac{dx}{dt}=-5\text{ cm per sec}, x = 1

\frac{dy}{dt} = 14(1)(-5)=-70\text{ cm per sec}

7 0
3 years ago
Find the values of x and y 0.50x+0.20y=3.90
Alla [95]
Hope this helps.

Good luck mate :P

8 0
3 years ago
Read 2 more answers
Pls help me with this one -4 divided by - 2/3
Karolina [17]

Answer:

6

Step-by-step explanation:

-\frac{4}{1} * -\frac{3}{2}  = \frac{12}{2}  = 6

5 0
3 years ago
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