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Darya [45]
2 years ago
6

Can someone tell me what I did wrong here

Mathematics
1 answer:
Soloha48 [4]2 years ago
8 0

Answer:

no roots.

Step-by-step explanation:

1)   \sqrt{8x+16}=2-8; \ - \ correct;

2)   \sqrt{8x+16}=-6; \ - \ correct;

note, the value after operation 'square root' cannot be negative ('-6' is on the right side!), then

3) it means, the given equation has no real roots.

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HELP ME PLEASE ON THIS!!
Nata [24]

Answer:

On the ground is the answer and my chat is "devanson1".

Step-by-step explanation:

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6 0
3 years ago
Please help work this equation
Flauer [41]

Hi!

<u>Given these two equations:</u>

x = y + 8

x + 4 = 2(y + 4)

We want to solve using the substitution method. Knowing that x is equal to y + 8, we can simply plug in 'y + 8' in for x in the second equation, like so:

(y+8)+4=2(y+4)

Combine like terms on both sides:

y+12=2y+8

Subtract y from both sides:

12=y+8

Subtract 8 from both sides:

y=4

Now, we can simply plug the y value in to the first equation, and solve for x:

x=4+8

Simplify:

x=12

<h3>Therefore, x is equal to 12 and y is equal to 4.</h3>

<u>Learn more about the substitution (and also elimination!) method here:</u>

brainly.com/question/14619835

4 0
2 years ago
A one year membership to metro gym costs $460. There is a fee of $40 when you join, and the rest is paid monthly. Write an equat
zysi [14]

Answer: The equation that would help members to find how much they would pay per month is

40 + 12x = 460

Step-by-step explanation:

Let x represent the amount of money that members would pay per month.

Let y represent the number of months for which a member uses the gym.

There is a fee of $40 when you join, and the rest is paid monthly. This means that the cost of using the gym for x months would be

40 + xy

A one year membership to metro gym costs $460. Therefore are 12 months in a year. Therefore,

40 + 12x = 460

12x = 460 - 40 = 420

x = 420/12 = 35

The equation that would help members to find how much they would pay per month is

8 0
3 years ago
Thank you all for helping me with every thing! I also need help with this one :)
Flauer [41]

Answer:

1.5/6

2.1/6

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Which equation shows the correct use of the Distributive Property? <br> −4(32x−12)=−15
KengaRu [80]

Answer:

-128x + 48 = -15

Step-by-step explanation:

I don't any  choices to pick from but using the distributive property you will multiply the -4 by everything in the parenthesis.

-4(32x - 12) = -15

=-128x + 48 = -15.

6 0
3 years ago
Read 2 more answers
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