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lutik1710 [3]
3 years ago
10

Which of the following expressions are equivalent

Mathematics
1 answer:
Anika [276]3 years ago
3 0

Answer:

A and B

Step-by-step explanation:

A and B are the correct options

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The area of the U.S. is about 3.931 million square miles. Approximately 570000 square miles are worked for food production. What
PSYCHO15rus [73]

Answer:

Step-by-step explanation:

Just estimating, about 15%

% = Land used for food production/ Total Area  * 100

% = (570000 / 3.931 * 10^6) * 100%

% = 14.5%

3 0
4 years ago
A triangle has sides with lengths of 21 meters, 70 meters, and 73 meters. Is it a right triangle?
Elena-2011 [213]

9514 1404 393

Answer:

  no

Step-by-step explanation:

It is close, but not exactly a right triangle.

If it were a right triangle, we would have ...

  21² +70² = 73²

We have instead ...

  441 +4900 ≠ 5329

  5341 ≠ 5329 . . . . . . . . not a right triangle

8 0
3 years ago
Ruben decides to leave a 24% tip after eating dinner at Sun Bistro. If the bill is $23.35, how much should he pay? Round to the
Igoryamba

Answer:

$3.50

Step-by-step explanation:

3 0
3 years ago
1. There are<br> always twice as many girls as boys in school.<br> Mathematical expression
Airida [17]

Answer:

Boys x 2 = Girls

Step-by-step explanation:

If there are twice as many girls in school as boys than take the number of boys and multiply that by 2. For example if there are 400 boys in school and there are twice as many girs your equation would, 400 x 2 = 800 girls.

8 0
3 years ago
Read 2 more answers
Question 3 (Essay Worth 10 points)
3241004551 [841]

Therefore the graph represents a non linear function.

Example of a linear function

ax+by=c

Example of non linear function

y²= 4ax

Step-by-step explanation:

The equation of line which passes through the line (0,4)and(1,8) is

y-y_1=\frac{y_1-y_2}{x_1-x_2}(x-x_1)

\Leftrightarrow y- 4=\frac{4-8}{0-1}(x-0)             [ here x_1=0 ,y_1=4 and x_2=1, y_2=8]

\Leftrightarrow  y-4=4x

\Leftrightarrow  y-4x-4=0

If a line passes through the points(0,4) ,(1,8) and (2,10) .Then (2,10) will satisfies the equation of line.

L.H.S = 10 -4(2) -4

          =10-8-4

         =-2 ≠ R.H.S

Therefore the graph represents a non linear function.

Example of a linear function

ax+by=c

Example of non linear function

y²= 4ax

7 0
3 years ago
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