Find the solution or solutions to the system Mathematics Assignment Help -

Find the solution or solutions to the system Mathematics Assignment Help. Find the solution or solutions to the system Mathematics Assignment Help.

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Given that the augmented matrix in row-reduced form is equivalent to the augmented matrix of a system of linear equations, do the following. (Use x, y, and z as your variables, each representing the columns in turn.)

−2

Find the solution or solutions to the system, if they exist.

Find the solution or solutions to the system Mathematics Assignment Help[supanova_question]

Need chemistry help with cell notation, which species is undergoing reduction? Science Assignment Help

According to the following cell notation, which species is undergoing reduction?

Sn | Sn²⁺(aq) || Mn²⁺(aq) | MnO₂(s) | Pt(s)

Select one:

a. Sn(s)

b. Sn²⁺(aq)

c. Mn²⁺(aq)

d. MnO₂(s)

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Chemistry: Which of the following statements is true for a voltaic (galvanic) cell? Science Assignment Help

Which of the following statements is true for a voltaic (galvanic) cell?

Select one:

a. The electron flow is from the positive electrode to the negative electrode

b. The electron flow is from the anode to the cathode

c. The electron flow is from the negative cathode to the positive anode

d. The electron flow is through the salt bridge

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Need chemistry help to consider the following cell reaction Science Assignment Help

Consider the following cell reaction:

Zn(s) + 2H⁺(aq) → Zn²⁺(aq) + H₂(g); E°_cell = 0.76V

Under standard-state conditions, what is E° for the following half-reaction?

Zn²⁺(aq) + 2e^– → Zn(s)

Select one:

a. -0.76 V

b. 0.76 V

c. -0.38 V

d. 0.38 V

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It is not compliant with APA formatting. What needs to be changed? Writing Assignment Help

Here is a citation:

Smith, Roberto. The Way of the World: This Time It’s Personal. Chicago, 2013.

It is not compliant with APA formatting. What needs to be changed?

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I need help with a math problem Mathematics Assignment Help

Sally found when she charged $75 the
number of video tapings demanded per year was 80. At a video taping price of $100, the demand
dropped to 60. Given that this is
linear, find the demand equation. Above
what price will there be no demand? What is the maximum quantity demanded?

I need help with a math problem Mathematics Assignment Help[supanova_question]

I need help with a math problem Mathematics Assignment Help

Sally traveled to Rochester, Des Moines and Omaha to video tape
events. She paid $180, $230 & $160 per night for lodging in Rochester, Des
Moines & Omaha, & her hotel bills totaled $2660. She spent $110, $120 & $90 per day for her
meals in Rochester, Des Moines and Omaha, & her total expenses
for meals totaled $1520. If she spent as many days in
Rochester as she did in Des Moines & Omaha combined, how many days did she
stay in each city?

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I need help with a math problem Mathematics Assignment Help

Find the simple interest on a $400 investment made for 5 years at an interest rate of 7%/year. What is the accumulated amount?

	A.	The simple interest is $140, the accumulated amount is $540.
	B.	The simple interest is $115, the accumulated amount is $515.
	C.	The simple interest is $120, the accumulated amount is $520.
	D.	The simple interest is $125, the accumulated amount is $555.

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I need help with a math problem Mathematics Assignment Help

<span style="font-size:11.0pt;font-family:Calibri;mso-ascii-theme-font:minor-latin;
mso-fareast-font-family:Calibri;mso-fareast-theme-font:minor-latin;mso-hansi-theme-font:
minor-latin;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin”> Picture This earned $3,250 the first year.
Sally video taped 40 events. She
charged $100 for weddings, $75 for birthday parties, and $50 for
graduations. Sally video taped as many
weddings as birthday parties and graduations combined. Find the number of weddings, birthday
parties, and graduations Sally video taped.

**Please show your work**

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Find the number of weddings needed to break even? Mathematics Assignment Help

<span style="font-size:11.0pt;font-family:Calibri;mso-ascii-theme-font:minor-latin;
mso-fareast-font-family:Calibri;mso-fareast-theme-font:minor-latin;mso-hansi-theme-font:
minor-latin;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin”> Picture This charged $100 for video taping a wedding. For each wedding the variable cost is $25 and
the fixed cost is $750. State the cost,
revenue, and profit functions. Find the
number of weddings needed to break even?

**Please show your work!!**

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Find the solution or solutions to the system Mathematics Assignment Help