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4 years ago

Points -3,2 rotated 90 clockwise its a maze i need help o thank u

Mathematics

1 answer:

SCORPION-xisa [38]4 years ago

6 0

Answer:

(2,3)

Step-by-step explanation:

Rotation through 90 clockwise gives the expression

( x , y )___ ( y ,- x )

so when you put the points -3 ,2 in the relation , it becomes

( -3 , 2 ) ___ ( 2, - -3 )

= ( x, y ) __ ( 2, 3 ). meaning when you rotate -3,2 through 90 clockwise you will get the image ( 2 ,3 )

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Inverse function of exponential function

marta [7]

$(( ln(3x) \div 2) - 1) \div 4$

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3 years ago

Help me find N and get this right

disa [49]

Answer:

N = 18

Step-by-step explanation:

The triangles are similar, thus the ratios of corresponding sides are equal, that is

$\frac{5}{15}$ = $\frac{6}{N}$ ( cross- multiply )

5N = 90 ( divide both sides by 5 )

N = 18

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3 years ago

Why is 7/12 greater than 1/3 but less than 2/3

Leno4ka [110]

Because 1/3 = 4/12 so 7/12 is greater and 2/3 = 8/12 so it is greater than 7/12

8 0

3 years ago

Can someone please help me with these? I'm giving 100 points so please.

Cerrena [4.2K]

Answer:

1. $-2\frac{9}{12}$

2. $10\frac{1}{8}$

3. 3

4. -1 > x

Step-by-step explanation:

$-\frac{33}{12} \\12 * 2 = 24\\33 - 24 = 9\\-2\frac{9}{12}$

$10 \frac{1}{8} / \frac{3}{4} = 13\frac{1}{2} \\13\frac{1}{2} + \frac{1}{2} = 14$

3. All share the factor of 3

4. Open circle is used for < (less than) or > (greater than). Shade to the right for > or ≥.

I hope this helps! May I please have brainliest? :)

8 0

3 years ago

Read 2 more answers

A group of statistics students decided to conduct a survey at their university to find the average (mean) amount of time student

Butoxors [25]

Answer: $(21.541,\ 23.059)$

Step-by-step explanation:

The confidence interval for population mean is given by :-

$\overline{x}\pm z_{\alpha/2}\dfrac{\sigma}{\sqrt{n}}$

Given : Sample size : $n=240$ , which is a large sample , so we apply z-test .

Sample mean : $\overline{x}=22.3$

Standard deviation : $\sigma= 6$

Significance level : $\alpha=1-0.95=0.05$

Critical value : $z_{\alpha/2}=1.960$

Now, a confidence interval at the 95% level of confidence will be :-

$22.3\pm(1.960)\dfrac{6}{\sqrt{240}}\\\\\approx22.3\pm0.759\\\\=(22.3-0.759,\ 22.3+0.759)\\\\=(21.541,\ 23.059)$

7 0

3 years ago