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Ugo [173]
3 years ago
6

WILL MARK BRAINLIEST!

Mathematics
2 answers:
hodyreva [135]3 years ago
4 0

Answer:

d(20+30)

20d + 30d

Step-by-step explanation: hope this helps

Marina CMI [18]3 years ago
4 0

Answer:

20d + 30d = 50d

Step-by-step explanation:

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Find the annual interest rate. I= $50 P= $625 t= 4 years
kolezko [41]
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The deference between Linear equation and Inequalities ​
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Step-by-step explanation:

<h2>PLEASE MARK ME AS BRAINLIEST</h2>
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Zigmanuir [339]

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A and D

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3 0
3 years ago
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Convert a 0.9% glucose solution to a g/100ml
Eduardwww [97]
<span>0.9% glucose solution means there are 0.9 g of glucose per 100 mL water.
</span><span> The concentration is required per litre for molar concentration:
0.9% glucose solution contains 9 g of glucose per 1000 mL or 1 L of water.
Molar mass of glucose is 180.16 g mol^-1 so 9 g = 9g/180.16 g mol^-1 = 0.05 moles
</span><span> 1 L of water contains 0.05 moles of glucose so molar concentration is 0.05 M or 0.05 mol/L </span>
6 0
4 years ago
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