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Hatshy [7]
3 years ago
12

How to do Reciprocals

Mathematics
1 answer:
Anuta_ua [19.1K]3 years ago
4 0

Answer:

It is simple!

Step-by-step explanation:

Here, is how to do reciprocals!

Reciprocals are nothing but the reverse of the fractions.

Here is an example of a reciprocal:-

1/2 reciprocal is 2/1 because it is the reverse of the fraction!

I hope this helps!

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2. A poster is 15 cm taller than it is wide. It is mounted on a piece of cardboard so that there is a 10 cm border on all sides.
lilavasa [31]
Set up two equations
T = how tall
W = how wide.
T = W + 25 is the first equation
5
×
{
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(
T
+
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1350
This equation is the total height adding 5 for the top border and 5 for the bottom border. Then multiplying the total height by the width of the border 5, time 2 because there are two sides that are tall Then adding 5 times two widths.
4 0
3 years ago
a school bake sale earned over $25 from selling cookies, which cost $3 each. how many cookies did they sell? identify the number
SSSSS [86.1K]
It said the sale earned OVER $25 from selling cookies at $3 dollars each so if we let r=revenue , p=price per cookie and c=number of cookies sold:

pc>r  and since p=3 and r=25 

3c>25  divide both sides by 3

c>25/3

Since cookies are quantized units, they must be integers so:

c>8 1/3

c≥9  or in interval notation

c=[9, +oo)
5 0
3 years ago
Compare the line passing through the points (−3, − 11) and (6, 4) to the line given by the equation y=32x−6.
butalik [34]

Answer:

See below

Step-by-step explanation:

<u>Given points:</u>

  • (-3, -11) and (6, 4)

<u>Let's calculate it's equation:</u>

  • y = mx +b
  • m = (4 + 11)/(6 +3) = 15/9 = 5/3
  • y = 5/3x + b
  • -11 = 5/3*(-3) + b ⇒ b = -11 + 5 = -6
  • y = 5/3x - 6

<u>The given line:</u>

  • y = 32x - 6

Compared, the lines have different slope (5/3 vs 32) but same y- intercept (-6), so both pass through the point of (0, -6). y= 32x - 6 has greater rate of change.

8 0
3 years ago
Find the inverse<br> f(x)=3x-2
Andreas93 [3]

Answer:

Step-by-step explanation:

hello friend

the answer is \frac{x}{3} + \frac{2}{3}

<u><em>To find the inverse, interchange the variables and solve for y</em></u>

<u><em></em></u>f^{-1}<u><em>(x) =  </em></u>\frac{x}{3} + \frac{2}{3}

Hope this helps

plz mark as brainliest!!!!!!

8 0
3 years ago
Triangle S and triangle L are scaled copies of one another,what is the scale factor from S to L
Naddika [18.5K]

The scale factor is 2

L = 2 * S

4 0
3 years ago
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