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andrey2020 [161]
3 years ago
5

The infinite geometric sum formula can be used to write 0.126126126...as a fraction. What is the numerator of this reduced fract

ion?
aa. 7
B.14
C.42
D.126
Mathematics
1 answer:
igor_vitrenko [27]3 years ago
6 0

Answer:

B. 14 hope this helps

Step-by-step explanation:


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Solve for x: 3 over 3 x plus 1 over quantity x plus 4 equals 10 over 7x. (2 points)
riadik2000 [5.3K]
Let me see if I can decipher that :P

3/(3x)+1/x+4=10/(7x)  first we need to make all terms have a common denominator of 21x...

(21+21+84x)/(21x)=30/(21x)  multiplying both sides by 21x leaves you with

21+21+84x=30  combine like terms on left side

42+84x=30  subtract 42 from both sides

84x=-12  divide both sides by 84

x=-1/7
5 0
3 years ago
Read 2 more answers
If a toaster produces 12ohms of resistance in a 120-volt circuit. What is the amount of current in the circuit
tensa zangetsu [6.8K]

Answer:

10 amps.

Step-by-step explanation:

According to Ohm's Law, V=IR, and, dividing both sides by R, we have V/R=I, where V is the amount of volts, R is the amount of resistance, and I is the current in amps.

Plugging the values into the formula, we have 120/12 = 10.

Therefore, there is 10 amps of current in the circuit.

6 0
3 years ago
An arithmetic sequence with a third term of 8 and a constant difference of 5.
larisa [96]
An arithmetic sequence (a_n) is as follows:

a_1\\a_2=a_1+d\\a_3= a_1+2d\\a_4=a_1+3d,... where a_1 is the first term and d is the constant difference, 

thus, we see that the n'th term of an arithmetic sequence is a_n=a_1+(n-1)d


in our particular case d=5, the third term is 8, so we have:

a_3=8=a_1+2\cdot5\\\\8=a_1+10\\\\a_1=-2


and the general term is a_n=-2+5(n-1),


Answer: first term is -2, n'th term is -2+5(n-1)


8 0
3 years ago
Find the distance between the points (6,8) and (8,-2)<br>​
Norma-Jean [14]

Answer:

d ≈ 10.1980

Step-by-step explanation:

Start with the distance formula:

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Pair your values to your variables.

x_1=6,x_2=8,y_1=8,y_2=-2

Let's substitute those values into the formula.

d=\sqrt{(8-6)^2+(-2-8)^2}

Complete the operations in your parentheses.

d=\sqrt{(2)^2+(-10)^2}

Square the bases of your powers.

d=\sqrt{4+100}

Add.

d=\sqrt{104}

Find the square root of 104:

d ≈ 10.1980

I only provided 4 digits after the decimal point; feel free to round it accordingly.

8 0
4 years ago
Identify the term(s) that are "like terms" for -3n. SELECT ALL THAT APPLY
aleksandrvk [35]
A, b, e, f, all these contain an n to the 1st power
3 0
3 years ago
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