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3 years ago

What is 13= 1/6 y + 2x

Mathematics

2 answers:

ioda3 years ago

8 0

y=-12x+78 y=-12x+78

irakobra [83]3 years ago

8 0

For this equation x will be equal to= x=-1/12y+13/2

For this equation y will be equal to y= -12x+78

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I really need help ASAP! <br> The sum of 8 times a number and 15 is 7 find that number

kirza4 [7]

Answer:

8x+15=7 8x=-8 x =-1

Step-by-step explanation:

3 0

2 years ago

What are the explicit equation and domain for a geometric sequence with a first term of 4 and a second term of −12?

Lerok [7]

$a_1=4;\ a_2=-12\\\\r=\dfrac{a_2}{a_1}\to r=\dfrac{-12}{4}=-3$

The formula of a geometric sequence:

$a_n=a_1\cdot r^{n-1}$

substitute

$a_n=4\cdot(-3)^{n-1}$

$The\ domain:\ \text{all integers where}\ n\geq1$

Answer: $\boxed{a_n=4(-3)^{n-1};\ \text{all integers where}\ n\geq1}$

4 0

3 years ago

If ab and cd are congruent what is the measure of

sweet-ann [11.9K]

Answer:

25°

Step-by-step explanation:

the arcs are congruent, and the radii are the same length, as it would be from any other point in a circle. this means that the angle must be the same.

5 0

3 years ago

Please Help!!!

mylen [45]

B and C are absurd; if a series converges, it must have a sum, but if a series diverges, it cannot have a sum.

Now, notice that

$\dfrac12+\dfrac29+\dfrac4{27}+\dfrac8{81}+\cdots=\dfrac12+\dfrac{2^{2-1}}{3^2}+\dfrac{2^{3-1}}{3^3}+\dfrac{2^{4-1}}{3^4}+\cdots$

That is, we can write the sum more compactly as

$\dfrac12+\dfrac12\displaystyle\sum_{n=1}^\infty\left(\frac23\right)^n$

The series is geometric with common ratio $\dfrac23$ , so the series converges (and thereby has a sum), so the answer is D.

6 0

3 years ago

The discount on a toy is 40% the toy robot is on sale for $54 find the original price

maria [59]

Answer:

The original price is $90.

Step-by-step explanation:

100% - 40% = 60%

$\frac{54}{y} :\frac{60}{100}$

y × 60 = 54 × 100

60y = 5400

60y ÷ 60 = 5400 ÷ 60

y = 90

5 0

3 years ago

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