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Mashcka [7]
2 years ago
9

Which equation has no solution?

Mathematics
1 answer:
EastWind [94]2 years ago
7 0

Answer:  It should be the third one

Step-by-step explanation:

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Find the first term and the common ratio <br>third term =6 and seventh term= 96​
mamaluj [8]

Answer:

First term a₁ = 3/2 and common ratio r = 2

Step-by-step explanation:

We need to find the first term and common ratio while we are given third term = 6 and seventh term = 96

Since common ratio is required so, the sequence is geometric sequence

The formula used is: a_n= a_1r^{n-1}

We are given: third term = 6 i,e

a_3=a_1r(3-1)\\6=a_1r^2----eq(1)

Seventh term = 96

a_7=a_1r(7-1)\\96=a_1r^6----eq(2)

Dividing eq(2) and eq(3)

\frac{96}{6}=\frac{a_1r^6}{a1r2}\\16=\frac{r^6}{r^2}\\16=r^{6-2}\\=> r^4=16\\Taking \ fourth \ root\\ r=2,-2,2i,-2i\\ \ We \ will \ consider \ only \ positive \ value \ of \ r \ i.e \ \textbf{ r= 2}

So, Common Ratio r = 2

Finding First term using eq(1)

a_3=a_1r^2\\6=a_1(2)^2\\6=a_1(4)\\a_1= \frac{6}{4}\\a_1= \frac{3}{2}

So, First term a₁ = 3/2 and common ratio r = 2

6 0
3 years ago
What is the equation of the line that passes through the points (−2, 1) and (1, 10)?
Anna71 [15]
Slope = (10-1)/(1+2) = 9/3 = 3

y = mx + b
1 = 3(-2) +b
1 = -6 + b
b = 7

equation

y = 3x + 7  
or
3x - y = -7

answer is <span>3x − y = −7 (first choice)</span>
6 0
3 years ago
Read 2 more answers
Eight cans of soup cost $12.48. What is the cost of one of the cans
Mrac [35]
$1.56
divide 12.48 by 8. 
6 0
3 years ago
Read 2 more answers
What’s that formula for the area of a rhombus
sergejj [24]

Answer:

A= pq/2

Step-by-step explanation:

8 0
3 years ago
Which equation represents a line which is parallel to the line 2x+y=-8?A. y=− 1/2 x−4B. y=−2x+5C. y=2x+3D. y= 1/2x+2
katrin2010 [14]

Two lines that are parallel have the same slope. In its slope-intersect form, we can write the equation of a line with slope m and y-intercept b as:

y=mx+b

Step 1

Write the given equation in slope-intercept form and identify its slope m.

\begin{gathered} 2x+y=-8 \\  \\ 2x+y-2x=-2x-8 \\  \\ y=-2x-8 \end{gathered}

Thus:

m=-2

Step 2

Find the equation with the same slope m = -2. We need to identify which of them has -2 multiplying the variable x.

Answer

From the given options, the only one with the same slope m = -2, therefore parallel to the given line, is:

y=-2x+5\text{      (option B)}

4 0
1 year ago
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