2 years ago

Define area. Give an example of how it is used in the real world. What label (units, units 2 , or units 3 ) is used for it?

Mathematics

1 answer:

erastova [34]2 years ago

7 0

Answer:

total space of an object is area.

it is used in for calculating area of rooms as measurements.

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Simplify (8-2) a + 9b - (3+2) a + 10

andrey2020 [161]

Answer:

a+9b+10

Step-by-step explanation:

use foil method

3 0

3 years ago

If f(x)=2x+5, then f(4) represents what

RSB [31]

f(x)=2x+5
then
f(4)=2(4) +5 = 8 + 5 = 13

hope it helps

6 0

3 years ago

If y varies directly as x and y = 21 when x = 5, find x when y = 42.

Lorico [155]

Answer: 10

Step-by-step explanation:

varies directly means: $\frac{y}{x} = k$

Step 1: solve for k ⇒ $\frac{21}{5} = k$

Step 2: plug in the given value and k to solve for the missing value: $\frac{42}{x} = \frac{21}{5}$

42(5) = 21(x)

$\frac{42(5)}{21} = \frac{21(x)}{21}$

2(5) = x

10 = x

5 0

2 years ago

please tell me the answer I’ll mark u brainlist

lutik1710 [3]

Answer:

a = 65

Step-by-step explanation:

6 0

2 years ago

Read 2 more answers

(02.09) Given a triangle with vertices at points (4, 4), (4, 1), and (2, 1), which set of ordered pairs represents the new verti

wel

Hello!

This triangle is currently located in Quadrant 1. If it is rotated 90 degrees counter-clockwise around the origin, it will end up in Quadrant 2. The formula for this is seen below.

(x,y)⇒(-y,x)

We will do this to each point and get our final points.

(4,4)⇒(-4,4)
(4,1)⇒(-1,4)
(2,1)⇒(-1,2)

Therefore, the final points of our rotated triangle are (-4,4), (-1,4) and (-1,2).

I hope this helps!

4 0

2 years ago