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Step2247 [10]
4 years ago
11

Help asapppp PLEASSEEE !!

Mathematics
2 answers:
statuscvo [17]4 years ago
5 0
A !!????!!!!!!!!!!!!!
ankoles [38]4 years ago
3 0
A and D
The rest to me don’t make sense to me.
Hope this helps. And if it’s wrong I’m sorry! What I chose seems right a sensible.
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10x10x10x10xqpx10x10x10
Butoxors [25]

Answer:

1 million

Step-by-step explanation:

4 0
3 years ago
What is the awnser to 6 x 17?
Semmy [17]

the answer to 6×7 is equal to 102

7 0
3 years ago
Read 2 more answers
Find the sum of the infinite geometric series: 9 – 6 + 4 – …
balandron [24]
The defining characteristic of all geometric sequences is a common ratio which is a constant when dividing any term by the term preceding it.

In this case the common ratio is:  -6/9=4/-6=r=-2/3

An infinite series will have a sum when r^2<1, so in this case the sum will converge to an actual value because (-2/3)^(+oo) approaches zero.

The sum of any geometric sequence is:

s(n)=a(1-r^n)/(1-r), since we have a common ratio of -2/3 and we want to calculate an infinite series, ie, n approaches infinity, the sum becomes simply:

s(n)=a/(1-r)    (because (1-r^+oo) approaches 1 as n approaches +oo)

So our infinite sum is:

s(+oo)=9/(1--2/3)

s(+oo)=9/(1+2/3)

s(+oo)=9/(5/3)

s(+oo)=27/5

s(+oo)=54/10

s(+oo)=5.4
7 0
4 years ago
2. Translate the following equation into a verbal sentence. x + 5 = 2(7 + x)
Stells [14]

Answer:

G

Step-by-step explanation:

Some points to note

  • "is" means equal
  • "times" means multiplication
  • "quotient" means division
  • "sum" is addition

Now, let's look at the left side of the equation.

It is "x + 5"

This means the sum of the number x and 5, or the number x plus 5

It eliminates F and J

Now, let's look at right side of equation.

It is "2(7+x)"

"7+x" is in brackets, so this is the sum of 7 and x. Then it is multiplied by 2. Thus, we can say:

"2 times the sum of 7 and x"

From the choices G and H left, we select G to be correct.

5 0
4 years ago
Please help 1-5 and please show how you got the answers
nirvana33 [79]

Answer:

Step-by-step explanation:

1) 2x + y = 3 -(1)

  -3x + 2y = -8 -(2)

  (1) x 2 => 4x + 2y = 6 -(3)

  (3) - (2)

  => 4x + 2y + 3x - 2y = 6 + 8

  => 7x = 14

  => x = 2

  => 2(2) + y = 3

  => y = 3 - 4 = -1

2) 6x + 7y = -9 -(1)

   -4x - 5y = 5 -(2)

   (1) x 4 => 24x + 28y = -36 -(3)

   (2) x 6 => -24x - 30y = 30 -(4)

   (3) + (4)

   => 24x + 28y - 24x - 30y = -36 + 30

   => -2y = -6

   => y = 3

   => 6x + 7(3) = -9

   => 6x = -30

   => x = -5

3) -x - 7y = 9 -(1)

   -x + 9y = -23 -(2)

   (1) - (2)

   => -x - 7y + x - 9y = 9 + 23

   => -16y = 32

   => y = -2

   => -x - 7(-2) = 9

   => -x = -23

   => x = 23

4) -x + 9y = -5 -(1)

    x - 5y = 1 -(2)

    (1) + (2)

   => -x + 9y + x - 5y = -5 + 1

   => 4y = -4

   => y = -1

   => x - 5(-1) = 1

   => x = -5

5) -2x + y = 10 -(1)

     4x + y = -14 -(2)

     (1) - (2)

    => -6x = 24

    => x = -4

    => 4(-4) + y = -14

    => y = -14 + 16 = 2

 

   

   

 

7 0
2 years ago
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