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Nostrana [21]
4 years ago
12

Explanation:

Mathematics
1 answer:
Karolina [17]4 years ago
8 0

Step-by-step explanation:

Hey there!

Firstly we need to find an equation of the line passing through point (-2,-2).

Now,

The equation of a st.line passing through point (-2,-2) is,

(y - y1) = m1(x - x1)

Now, putting the values,

(y + 2) = m1(x  + 2)

It is first equation.

Now, another equation is,

y= 2x+3

Comparing, the equation with y = mx+c.

slope (m2)= 2

As per the condition of parallel lines,

m1=m2= 2

Putting, the values of m1 in equation (i)

(y+2)= 2(x+2)

y= 2x+2....is the equation.

Therefore, Jill's equation is correct answer.

<em><u>Hope</u></em><em><u> </u></em><em><u>it helps</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>

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Find the value of a1 for an infinite geometric series with S=12 and r=1/6
blondinia [14]
S_n=a(1+r+\cdots+r^{n-1}+r^n)
rS_n=a(r+r^2+\cdots+r^n+r^{n+1})
(1-r)S_n=a(1-r^{n+1})
S_n=a\dfrac{1-r^{n+1}}{1-r}

When |r|, we have

\displaystyle\lim_{n\to\infty}S_n=\dfrac a{1-r}

as is the case here. Since S=\lim\limits_{n\to\infty}S_n=12 and r=\dfrac16 are given, we can find the first term a immediately:

12=\dfrac a{1-\frac16}\implies12=\dfrac65a\implies a=10
6 0
3 years ago
= X<br> 20<br> 100<br> 60<br><br> Please help me
satela [25.4K]

Answer:

x = 100

Step-by-step explanation:

(100-40)/2

= 60/2

= 30

So it's 100

Answered by GAUTHMATH

5 0
3 years ago
What is the radius and diameter of the following circle?<br> Radius = cm<br> diameter= cm
Nadya [2.5K]

The value of diameter and radius of circle is 7 cm and 3.5cm.

According to the statement

we have given that the a figure of circle and we have to find the radius and the diameter of the circle.

So, We know that the

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Here from the figure it is clear that the

Diameter of circle = 7cm

and the radius of circle we have to find

So,

Radius of circle = Diameter /2

Substitute the values in it then

Radius of circle = 7cm /2

Radius of circle = 3.5 cm.

So, The value of diameter and radius of circle is 7 cm and 3.5cm.

Learn more about the diameter and radius of circle here

brainly.com/question/15673093

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3 0
2 years ago
Which of the following are solutions to the equation below?
katrin2010 [14]

First simplify then solve.

4x^2+20x+25=49 \\4x^2+20x-24=0 \\4(x^2+5x-6)=0 \\x^2+5x-6=0\Longrightarrow(x+6)(x-1)=0 \\\boxed{x_1=-6, x_2=1}

We find there are two solutions. In your case the correct answers are A, C, D

Hope this helps.

r3t40

Hope this helps.

r3t40

7 0
3 years ago
What is the slope of the line ? M=
aleksandrvk [35]

Answer:

it's not -1/2 because that would mean down 1 right 2 I think it's 1/4 because it up 1 right 4

3 0
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