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2 years ago

Simplify the expression: 33 - (24 + 3

Mathematics

2 answers:

dybincka [34]2 years ago

8 0

Answer:

The answer is 6

Step-by-step explanation:

you do what is in the parentheses then do 33-27 which is 6

Effectus [21]2 years ago

4 0

Answer:

33-27

Step-by-step explanation:

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Find y.<br> 30<br> 20 <br> Need help asap

Neporo4naja [7]

Answer:

y = 10

Step-by-step explanation:

Using the sine ratio in the right triangle and the exact value

sin30° = $\frac{1}{2}$ , then

sin30° = $\frac{opposite}{hypotenuse}$ = $\frac{y}{20}$ = $\frac{1}{2}$ ( cross- multiply )

2y = 20 ( divide both sides by 2 )

y = 10

7 0

2 years ago

The domain of this function is {-12,-6,3,15}. Y=-2/3x+7

Evgen [1.6K]

Considering the given function, the table is completed as follows:

x|y

-12|15

-6| 11

3|5

15|-3

<h3>Which is the function?</h3>

The function is defined by:

$y = -\frac{2}{3}x + 7$

Hence, when x = -12:

$y = -\frac{2}{3}(-12) + 7 = 15$

When x = -6:

$y = -\frac{2}{3}(-6) + 7 = 11$

When x = 3:

$y = -\frac{2}{3}(3) + 7 = 5$

When x = 15:

$y = -\frac{2}{3}(15) + 7 = -3$

More can be learned about functions at brainly.com/question/25537936

#SPJ1

6 0

1 year ago

A line with a negative slope is perpendicular to one of the lines shown. What is its slope? Use the graph shown below. The Slope

goblinko [34]

Answer:

The slope for the red line is decreasing and hence the slope must be negative. -1x or simply -x
The slope of the blue line is increasing and hence positive: 1/2x
The solution to the equation is the intercept (2,3)
Rate positively and give brainlist

7 0

3 years ago

If log(x + y) = log 3 + ½log x + ½log y, prove that x² + y² = 7xy

Free_Kalibri [48]

Answer:

See Explanation

Step-by-step explanation:

$log(x + y) = log3 + \frac{1}{2} logx+ \frac{1}{2} logy \\ \\ log(x + y) = log3 + logx ^{\frac{1}{2}} + logy ^{\frac{1}{2}}\\ \\ log(x + y) = log3 + log(xy) ^{\frac{1}{2}} \\ \\ log(x + y) = log[3(xy) ^{\frac{1}{2}}] \\ \\ x + y = 3(xy) ^{\frac{1}{2}} \\ \\ squaring \: both \: sides \\ {(x + y)}^{2} = \bigg(3(xy) ^{\frac{1}{2}} \bigg)^{2} \\ \\ {x}^{2} + {y}^{2} + 2xy = 9xy \\ \\ {x}^{2} + {y}^{2} = 9xy - 2xy \\ \\ \purple{ \bold{{x}^{2} + {y}^{2} = 7xy}} \\ thus \: proved$

7 0

2 years ago

Read 2 more answers

20 points, pls help, its angles

Zina [86]

Okay what’s the question

3 0

2 years ago