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vfiekz [6]
3 years ago
7

Use mental math to find the sum 326+402

Mathematics
2 answers:
Viefleur [7K]3 years ago
4 0

Answer:

728

Step-by-step explanation:

326

<u>402</u>

728

Zanzabum3 years ago
4 0

Answer:

728

Step-by-step explanation:

326

+

402

=

728

Hope this helped :3

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Help me plz The formula K=59(F−32)+273.15 converts temperatures from Fahrenheit F to Kelvin K.
quester [9]

Let's see what to do buddy...

Step-by-step explanation:

_________________________________

k = 59(f - 32) + 273.15

Subtract the sides of the equation minus -273.15

k - 273.15 = 59(f - 32)

Divided the sides of the equation by 59

\frac{k - 273.15}{59} = \frac{59}{59}  (f - 32)  \\

\frac{k - 273.15}{59} = f - 32 \\

Subtract the sides of the equation plus 32

\frac{k - 273.15}{59} + 32 = f \\

And we're done.

Thanks for watching buddy good luck.

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7 0
3 years ago
If Pentagon ABCDE was dilated to create Pentagon A'B'C'DE', what rule was used?
svetlana [45]

Answer:

<em>B</em> (x,y) \rightarrow \left(\frac{5}{2}x,\frac{5}{2}y\right)

Step-by-step explanation:

<u>Dilations</u>

Given a point A(x,y) and a scale factor k the dilated image of A, called A' is calculated as A'=(kx,ky), assuming the same scale factor is applied in both axes.

The pentagon ABCDE was dilated to create pentagon A'B'C'D'E'. To find the dilaton rule used, we must find two clear points where the coordinates of both axes can be easily read from the graph.

Point C(-2,0) maps to C'(-5,0). This gives us the scale factor for the x-axis of -5/(-2)= 5/2.

The y-coordinate of E is 2 and the y-coordinate of E' is 5. This gives us the same scale factor for the y-axis of 5/2.

Thus, the rule to dilate the pentagon is:

B \mathbf{(x,y) \rightarrow \left(\frac{5}{2}x,\frac{5}{2}y\right)}

5 0
3 years ago
Whats the área of a square whose perimeter is 48
Roman55 [17]

Answer:

144

<h3>Step-by-step explanation:</h3>

If 48 is the perimeter, then 48 divided by 4 is one of the side lengths.

L x W = Area

12 x 12 = Area

12 x 12 = 144

Area = 144

7 0
3 years ago
X²-12x+a=(x+b)² find a and b​
Valentin [98]

Answer:

Step-by-step explanation:

x² - 12x + a = (x + b)²

x² - 12x + a = x² + 2xb + b²

-12 = 2b and a = b²

b = -6

a = b² = 36

8 0
2 years ago
Evaluate the formula V=B h over 3 for B=15 inches two squared and h=28inches?I WILL MARK AS BRAINLY
meriva
V=B/14-28...........
4 0
3 years ago
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