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Jobisdone [24]
3 years ago
9

Solve |x|<6 a. {-6, 6} b. {x|x> -6 and x< 6} c. {x|x< -6 or x< 6}

Mathematics
1 answer:
garri49 [273]3 years ago
5 0
|x| < 6 ⇔ x < 6 ∧ x > -6 ⇒ {x| x > -6 and x < 6}

Answer: b.
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Find the percent of decrease from 280 to 210. Round to the nearest tenth of a percent, if necessary.
Vlada [557]
To find the decreased percentage,here's what we can do:
\frac{originl \: value - new \: value}{originl \: value}  \times 100\%

In this case,the eqaution would be:
\frac{280 - 210}{280}  \times 100\% \\  =  \frac{70}{280}  \times 100\% \\  =  \frac{1}{4}  \times 100\% \\  = 25\%
Hope it helps!
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4 years ago
I cant resolve this equation : 2x = -2x + 8, can you help me please
chubhunter [2.5K]

Answer:

x = 2

Step-by-step explanation:

OK so lets do it together.

2x = -2x + 8

Subtract 8 from both sides

2x - 8 = -2x

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4x - 8 = 0

Add 8 to both sides

4x = 8

Divide each side by 4

x = 2

Check:

4 = -4 + 8

4 = 4

correct

If my answer is incorrect, pls correct me!

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-Chetan K

7 0
3 years ago
Solve the following quadratic function<br> by utilizing the square root method.<br> y = 16 – x2
xxMikexx [17]

Answer:

The solutions are x = -4 and x = 4.

Step-by-step explanation:

Solving a quadratic equation:

We have to find x for which y = 0.

In this question:

y = 16 - x^2

So

16 - x^2 = 0

x^2 = 16

x = \pm \sqrt{16}

x = \pm 4

The solutions are x = -4 and x = 4.

3 0
3 years ago
an Archer shoots an arrow into the air such that its height at any time T is given by the function H (t) = -16t^2+ Kt + 3 if the
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\begin{gathered} H(t)=-16t^2+kt+3 \\ At\text{ maximum height, final velocity = 0} \end{gathered}

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1 year ago
Which expression can be used to find the area of a circle with a diameter of 80 cm?
ycow [4]
Its D............................
8 0
4 years ago
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