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valkas [14]
3 years ago
13

Answer please, thanks.

Mathematics
1 answer:
Rudik [331]3 years ago
4 0
A) The perimeter is the length around the rectangle, so it would be 2 + 5 + 2 + 5 = 14m

The area is 2m * 5m = 10m^2

b/c) You have to draw a rectangle with a perimeter of 14m, and an area that ISN'T 10m^2. You could draw a 3m by 4m rectangle which would have a perimeter of 14m and an area of 12m^2.
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There are 2,100 bacteria in a circular petri dish. The dish has a radius of 40 millimeters. What is the approximate population d
pochemuha
A petri dish is simply a circle; thus, we use the formula of the area of the circle which is <span>πr^2. 
Given r = 40 mm
A = </span>π(40)^2 = <span>5026.55 sq. mm
</span>
Population density = bacteria count / area
PD = 2,100 / <span>5026.55
PD = </span><span>0.417782 bacteria / mm sq.

Therefore, the answer is approximately 0.418 </span><span>bacteria per square millimeter.</span>
6 0
3 years ago
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Given the equation of the line -6x + 2y = 10
Andre45 [30]

Answer:

x=  1 /3 y+ −5 /3

y=3x+5

Step-by-step explanation:

brainliest?

5 0
2 years ago
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Help its difrrent question thx so much
irakobra [83]

Answer:

75% off

Step-by-step explanation:

I would personally say use a calculator, but whatever your instructor says.

First, do $600 off. You could also do 75% off first, but you choose. If you subtract $600 from $868, you get $268.

Next, do 75% off. If you take 100% - 75%, you get 25%, or 1/4. Multiply $868 by 1/4 and you get $217, which is the better deal.

So, to conclude, $217 is less than $268, and therefore 75% off is the better deal.

6 0
3 years ago
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I need help on this question plz
Kitty [74]
The correct answer will be 3.

Why?

If v = m + 3 what is m?

Well it's says that D = m/v and D = 3/6.

So if M is 3, what number can you add my 3 that is gonna equal to V (6).

3 + 3 = 6 and that's how I got my answer.


6 0
3 years ago
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Joyce paid $104.00 for an item at the store that was 20 percent off the original price. What was the original price?
Leya [2.2K]

Answer:

124.80

Step-by-step explanation:

price = $104.00

percentage deducted = 20%

price deducted = 104 × 20 ÷ 100

                          = 20.80

original price = 104.00 + 20.8 = 124.80

8 0
3 years ago
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