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sesenic [268]
1 year ago
11

7x^2 = 9y is a hyperbola or parabola?

SAT
1 answer:
Arlecino [84]1 year ago
4 0
It is an equation of parabola
in the form where x^2 = 4ax where the parabola is in the first and second quadrant!
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Which reaction will most likely take place based on the activity series? li > k > ba > ca > na > mn > zn >
Ivenika [448]

The only reaction that will most likely take place based on the activity series is; C: Ba + Na₂CO₃

<h3>Activity Series</h3>

From the activity series given, we can say that during a displacement reaction, the more reactive metal will always displace the lesser reactive metal from a compound.

Let us look at each of the given options;

A) Ag + FeCl₃

From the activity series, Silver(Ag) is less reactive than Iron(Fe) and as such Silver cannot displace iron from its' compound.

B) Zn + CaO

Zinc (Zn) is a less reactive metal than Calcium (Ca), so it cannot cannot displace Calcium from its' compound.

C) Ba + Na₂CO₃

Barium (Ba) is a more reactive metal than Sodium (Na), and therefore Barium will displace sodium from its compound in a displacement reaction.

D) Cr + KNO₃

Chromium (Cr) is a lesser reactive metal than Potassium (K), and it therefore cannot displace Potassium from its compound.

Complete question is;

Which reaction will most likely take place based on the activity series? Li > K Ba > CaNa > Mn > Zn > Cr> Fe> Cd Ni > H > Sb > Cu > Ag > Pd > Hg > Pt

A. Ag + FeCl₃

B. Zn + CaO

C. Ba + Na₂CO₃

D. Cr + KNO₃

Read more about Activity Series at; brainly.com/question/17469010

5 0
2 years ago
Which of the following has a 5% interest rate for undergraduate with exceptional financial need?
aleksandrvk [35]
We dont know without all the info

7 0
3 years ago
On october 1 a client pays a company the full 12000
asambeis [7]

Using the accrual method, the unearned revenue as of December 31 is $12,000.

<h3>What is Unearned revenue?</h3>

Unearned revenue can be defined as the amount a company received from their client for the service they are yet too rendered.

Since the company has received full balance for the services not yet provided. The unearned revenue as of December 31 will be $12,000.

Reason been that the amount that the client paid the company is for a year-long contract, hence the $12,000 represent a prepayment amount for the service the company is yet too rendered to their client

Thus, using the accrual method, the unearned revenue as of December 31 is $12,000.

Learn more about unearned revenue here:

brainly.com/question/5010039

#SPJ1

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True or false: f(x) is a function. a. false b. true
Leno4ka [110]

Answer:

False

Explanation:

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Which of the following resources help you plant a autobiographical narrative?
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b. i hope thats the right answer and works


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