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bekas [8.4K]
3 years ago
9

What is the next term of the arithmetic sequence? -7 -7 1 5 9

Mathematics
1 answer:
Fed [463]3 years ago
8 0

Answer:

No solution, this is not an arithmetic sequence

Step-by-step explanation:

An arithmetic sequence is the same number being added over and over. This is not the case.

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Maria has added 2 liters of pure water to 8 liters of a 48% sugar syrup. What is the concentration of the resulting solution?
amm1812
We know that
2 liters of pure water = 0 % of sugar 
8 liters of syrup = 48% of sugar

Water = (2 liters x 0%) = 0 total sugar liters
Syrup = (8 liters x 48%) = 3.84 total sugar liters
Total liter mix =8+2-----> 10 liters

Total liters of sugar = 0 + 3.84 = 3.84
if 10 liters-----------> 100%
 3.84 liters--------> x
X=3.84*100/10-----> x=38.4%

the answer is
 38.4% 
8 0
4 years ago
0.445 to a fraction in simplest form and a percent.
Ulleksa [173]

Answer:

0.445 as a fraction in simplest form: 89/200

0.445 as a percent: 44.5%

Step-by-step explanation:

8 0
3 years ago
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Emily used 27 centimeters of tape to wrap 3 presents. How much tape will Emily need in all if she has to wrap 5 presents? Assume
babunello [35]

Answer: 45 centimeters

Step-by-step explanation:

27 - 3

divide both by 3

9 - 1

multiply by 5

45 - 5

4 0
3 years ago
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A 1.0 l buffer solution is 0.15 m in hcn and 0.10 m in nacn. which action will destroy the buffer?
rjkz [21]

The buffer will probably be destroyed by the addition of HCN.

<h3>What is buffer solution?</h3>

A weak acid and the conjugate base of the weak acid, or a weak base and the conjugate acid of the weak base, are combined to form the buffer solution, a water-based solvent solution. They withstand being diluted or having modest amounts of acid or alkali added to them without changing their pH.

Given that a 1.0 l buffer solution is 0.15 m in HCN and 0.10 m in NaCN.

We need to find a action which one destroy the buffer solution.

A buffer is a substance made of salt and a weak acid that is beneficial. From the aforementioned chemicals, HCN is a potent acid and NaCN is a salt between HF and NaCN. Therefore, the buffer will probably be destroyed by the addition of HCN.

To learn more about buffer solution from the given link

brainly.com/question/22390063

#SPJ4

8 0
2 years ago
i need help with this figure problem i'm begging anyone i need to do this before i go to bed please please please!!!
alekssr [168]

Answer:

610cm square

Step-by-step explanation:

find the area of the square

find the area of a triangle and multiply it by 2

then add their areas

3 0
3 years ago
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