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Anastaziya [24]
2 years ago
5

PLZ HELP

Mathematics
2 answers:
Vinvika [58]2 years ago
4 0

Answer:

The correct option is D) No sol6. 

Step-by-step explanation:

Consider the provided equation.

-4x-4=-4(x + 2)

Divide both the sides by -4.

\frac{-4x-4}{-4}=\frac{-4(x + 2)}{-4}

x+1=x + 2

Subtract x from both side.

x-x+1=x-x+2

1=2

Which is not true.

Thus, the equation has no solution.

Hence, the correct option is D) No solution.

Westkost [7]2 years ago
3 0

Answer:

  No solution

Step-by-step explanation:

Adding 4x to both sides of the equation gives ...

  -4 = -8 . . . . . . never true

There is no value of x that will make this statement true. The equation has ...

  no solution

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3 years ago
4x - 2y = 6<br> y = - 2x - 1<br> what is the value of x+ y
Elenna [48]
4x-2y=6 (3/2+y/2
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4 0
3 years ago
Write the sum using summation notation, assuming the suggested pattern continues.
Lina20 [59]

<u>ANSWER</u>

\sum _{n = 1} ^{18} (6n - 15)

<u>EXPLANATION</u>

The given series

- 9 - 3 + 3 + 9 + ... + 81

This is an arithmetic series with a common difference of

d =  - 3 -  - 9 = 6

The first term of the series is:

a_1 =  - 9

The general term is given by:

a_n =a_1 + d(n - 1)

a_n = - 9+ 6(n - 1)

a_n = - 9+ 6n - 6

a_n =6n - 15

The last term is 81

We can use this to determine the number of terms in the series.

81=6n - 15

81 + 15=6n

6n = 96

n =  \frac{96}{6}  = 16

The summation notation is:

\sum _{n = 1} ^{18} (6n - 15)

4 0
3 years ago
A lake has a small population of a rare endangered fish. The lake currently has a population of 11 fish. The number of fish is i
balu736 [363]

5% of 11 is 0.55. What number times 0.55 = 11? Well if we divide 11 by 0.55, we see that the answer is 20. So, the population will double in 20 years. If the population is 22 in 20, it stands to reason that it will take another 20 years to double from 22 to 44. So, the population will reach 44 in 40 years.

Hope this helps.

8 0
2 years ago
The surface area of a cone is given by the formula s=3.14l+3.14r2 solve for the formula for l
vfiekz [6]

Hello from MrBillDoesMath!

Answer:

l = s/3.14 - r^2

Discussion:  

s = 3.14 l + 3.14 r^2        =>  divide both sides by 3.14

s/3.14 = l + r^2               => subtract r^2 from both sides

(s/3.14) - r^2 = l

Thank you,

MrB

3 0
3 years ago
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