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cluponka [151]
3 years ago
9

Help me please don’t lie to me

Mathematics
1 answer:
Alinara [238K]3 years ago
8 0

Answer:

1. yes

2. no

Step-by-step explanation:

1. 3x - 4y ≥ 18

3(2) - 4(-3) = 6 + 12 =18

18≥18 this is a solution

2. 4x + y < 0

4(1) + (-4) = 4 - 4 = 0

0 equals 0, 0 cannot be less than 0, they are the same

<h2><u><em>xoxo, </em></u></h2><h2><u><em>your highness...</em></u></h2>
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Solve: (3√8x - 2 )= 4<br> To solve this equation, first<br> _____both sides.<br> x =_____
PIT_PIT [208]

Answer:

Add 2 to each side

x=1/2

Step-by-step explanation:

(3√8x - 2 )= 4

Add 2 to each side

(3√8x - 2 +2= 4+2

3√8x = 6

Divide each side by 3

3/3√8x = 6/3

√8x = 2

Square each side

(√8x)^2 = 2^2

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Divide each side by8

8x/8 = 4/8

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5 0
3 years ago
How do you find the value of n in a geometric progression?​
Bas_tet [7]

A geometric progression is also known as a geometric sequence.

Here is a video explaining how you find the n term value.

https://youtu.be/pwUdYEwT9kY

Hope this helps!

6 0
3 years ago
Solve the following equations mentally 1. 5 – x = 8 2. -1 = x – 2 3. -3x = 9 4. -10 = -5x
Ghella [55]

Answer:

1. 5 – x = 8 , x = -3

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Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
the units digit of a two-digit number is twice the tens digit. If the digits are reversed, the new number is 9 less than the ori
Anton [14]

Answer:

36

Step-by-step explanation:

Here is the correct and complete question: The units digit of a two-digit number is twice the tens digit. If the digits are reversed, the new number is 9 less than twice the original number. What is the original number?

Lets assume the original number be"10y+x". (x is unit digit and y is 10th digit)

∴ if number is reversed then resulting number be "10x+y".

As given: x= 2y

        and 10x+y= 2(10y+x)-9

Now, solving the equation to get original number.

10x+y= 2(10y+x)-9

Distributing 2 to 10y and x, then opening the parenthesis.

⇒ 10x+y= 20y+2x-9

subtracting by (2x+y) on both side.

⇒ 8x= 19y-9

subtituting the value of "x", which is equal to 2y.

∴ 8\times 2y= 19y-9

⇒ 16y=19y-9

subtracting both side by (16y-9)

⇒ 3y= 9

cross multiplying

We get, y= 3

y=3

∵x= 2y

x=2\times 3= 6

∴ x= 6

Therefore, the original number will be 36 as x is the unit number and y as tenth number.

6 0
3 years ago
Hey can you help me fast!!!
Maksim231197 [3]

Answer:

32 squared ft

Step-by-step explanation:

7 0
2 years ago
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