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liubo4ka [24]
3 years ago
14

Reduce 2 ,1 by 2 plus 2 ,1 by 3 minus 1 ,1 by 4​

Mathematics
1 answer:
vlada-n [284]3 years ago
8 0
Reduce 2 ,1 by 2 plus 2 ,1 by 3 minus 1 ,1 by 4
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Please help! If your right you get brainliest
andreyandreev [35.5K]

Answer:

translation followed by a rotation

Step-by-step explanation:

7 0
3 years ago
. Write an equation that is perpendicular to y=2x – 1 and has y-intercept of -3
blagie [28]

The answer is very simple .

First you need to determine the slope, which is the reciprocal of the first line.

Then,

y = mx + b

m => -1/m

The perperdicular line has a new slope equal to m = -1/2

In the formula (y - y1) = m ( x - x1 ) + b , you should sustitude this value.

So the final equation will be

-3 = -1/2 (0) + b

b = - 3

y = (-1/2)x - 3

That is the solution

6 0
1 year ago
What is 82% of 525?<br> Show work
True [87]

Answer:

430.5

Step-by-step explanation:

1. We assume, that the number 525 is 100% - because it's the output value of the task.  

2. We assume, that x is the value we are looking for.  

3. If 525 is 100%, so we can write it down as 525=100%.  

4. We know, that x is 82% of the output value, so we can write it down as x=82%.  

5. Now we have two simple equations:

1) 525=100%

2) x=82%

where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:

525/x=100%/82%

6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for what is 82% of 525

525/x=100/82

(525/x)*x=(100/82)*x       - we multiply both sides of the equation by x

525=1.219512195122*x       - we divide both sides of the equation by (1.219512195122) to get x

525/1.219512195122=x  

430.5=x  

x=430.5

now we have:  

82% of 525=430.5

5 0
3 years ago
Read 2 more answers
enrico buys 3/8 pound of cheddar cheese and 4/8 pound swiss cheese how many cheese does enrico buy in all
creativ13 [48]
<h2>Greetings!</h2>

Answer:

They buy \frac{7}{8} of cheese.

Step-by-step explanation:

When adding two fractions with the same denominator, you simply add the two numerators (numbers on top):

\frac{3}{8} + \frac{4}{8}  = \frac{7}{8}

So they buy \frac{7}{8} of cheese.


<h2>Hope this helps!</h2>
7 0
3 years ago
The U.S. Energy Information Administration (US EIA) reported that the average price for a gallon of regular gasoline is $2.94. T
Galina-37 [17]

Answer:

The answer is "16, 43, and 96".

Step-by-step explanation:

Given:

\sigma = 0.20\\\\c = 95\% = 0.95\\\\\therefore \alpha = 1- c = 1- 0.95 = 0.05\\\\\therefore  \frac{\alpha}{2} = 0.025\\\\

Using Z table:

\therefore Z_{\frac{\alpha}{2}} = 1.96\\\\

For point a:

E = 0.10\\\\n=(\frac{Z_{\frac{\alpha}{2} \times \sigma}}{E})^2

    = (\frac{(1.96\times 0.20)}{0.10})^2\\\\=  15.3664 \approx  16

so, The Sample size (n) = 16

For point b:

E = 0.06\\\\n=(\frac{Z_{\frac{\alpha}{2} \times \sigma}}{E})^2

   = (\frac{(1.96\times 0.20)}{0.06})^2\\\\=  42.6844444444\approx  43

For point c:

E = 0.04\\\\n=(\frac{Z_{\frac{\alpha}{2} \times \sigma}}{E})^2

    = (\frac{(1.96\times 0.20)}{0.04})^2\\\\=  96.04\approx  96

7 0
3 years ago
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