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algol [13]
3 years ago
7

Can someone please help me?

Mathematics
1 answer:
Norma-Jean [14]3 years ago
4 0

Answer:

a) DE = 15

b) AB = 6

Step-by-step explanation:

24/8 = 3

18/3 = 6

5*3 = 15

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For a shape to be a square all the angles need to be 90 degrees.

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3 years ago
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Ericka decided to compare her observation to the average annual trend, which shows the water rising 1.8 mm/year. Remember, she u
Alex787 [66]

Answer with explanation:

Presume that, initial water level to be, 0 mm, at a time t=0.

And water level is rising at the rate of 1.8 \frac{\text{mm}}{\text{year}}.

 After 6.2 years level of water will be =1.8 × 6.2

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→Averge, that is increase in water level after 6.2 years is given by

                     =\frac{W_{2}-W_{1}}{t_{2}-t_{1}}\\\\=\frac{11.16-0}{6.2-0}\\\\=\frac{11.16}{6.2}\\\\=1.8 \frac{\text{mm}}{\text{year}}

→→Rate of Depreciating of water level is given by = Negative of Increase of water level=-1.8 \frac{\text{mm}}{\text{year}}

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PilotLPTM [1.2K]

Answer:

The answer is 11 and 12

Step-by-step explanation:

you just find perfect squares

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3 years ago
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What is 27 divided by 1,581
quester [9]

Answer:

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Step-by-step explanation:

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