3 years ago

Solve the equation, 5- 2y = –8

Mathematics

1 answer:

HACTEHA [7]3 years ago

6 0

Answer:

Step-by-step explanation:

5 - 2y = - 8

Subtract 5 from both sides

-2y = - 8 - 5

-2y = - 13

Divide by - 2

-2y/-2 = - 13/-2

y = 6 1/2 or 6.5

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This one too I always get confused

otez555 [7]

Answer:

AHS

Step-by-step explanation:

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4 0

3 years ago

Find the measures of two angles, one positive and one negative, that are coterminal with pi divided by five. How do you do this?

Anestetic [448]

$\theta= \frac{\pi}{5} 
$
$\\ \theta_1,\theta_2$ - coterminal angles

$\\ \theta_1= \frac{\pi}{5} +2\pi= \frac{\pi}{5} + \frac{10\pi}{5}= \frac{11\pi}{5} 
\\
\\ \theta_2= \frac{\pi}{5} -2\pi= \frac{\pi}{5} - \frac{10\pi}{5}=- \frac{9\pi}{5}$

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3 years ago

What are the solutions for x when y is equal to 0 in the following quadratic

Scrat [10]

Answer: Option C

Step-by-step explanation:

Given the quadratic equation $y = x^2 - 13x$ , substitute $y=0$ :

$0 = x^2 - 13x$

In this case, to find the solutions of the given quadratic equation, you must factor out the variable "x". Then:

$0=x(x-13)$

Therefore, you get that the solutions of this equation are the following:

$x=0\\\\\\x-13=0\\x=13$

Then, the answer is:

$x = 0\ or\ x = 13$

This matches with the option C.

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3 years ago

Simplify using the Laws of Exponents (−6)2×(−6)5

Snowcat [4.5K]

Answer:

360

Step-by-step explanation:

-12 times -30

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3 years ago

A set of equations is given below: equation a: y = x 1 equation b: y = 4x 5 which of the following steps can be used to find the

slega [8]

X1=4x5 I think it is. Though this would then give x=20x with I think is impossible...

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3 years ago