write the age of family members using mathematical expression

write the age of family members using mathematical expression

-4x-y=-6 -8x-5y=-6

i need help to solve this word problem; "an airplane can travel 220 miles with the wind speed in the same amount of time it can travel 175 miles against the wind. if the speed of the plane in...

Yolanda's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Yolanda $4.10 per pound, and type B coffee costs $5.50 per pound. This month's blend used four times...

Customers of a phone company can choose between two service plans for long distance calls. The first plan has a $25 monthly fee and charges an additional $0.15 for each minute of calls. The second...

serena is the manager of the coffee shop. The amount of money she earns is represented by the equation m=12h, where h is the number of hours Serena works, and m is the amount of money she earns. How...

Suppose you are selling phones and want the price of each phone to be $159.00 including a sales tax of 6%. (a) Write an equation representing the statement above. (b)...

A Leah had $24 to spend on seven pencils after buying them she had $10 how much did each pencil cost

Need equations

The earth is covered by approximately 360 mill km squared of water. If the total surface area is 510 mill km squared, what percent is water? Rounded to the nearest tenth of a percent...

This is to be done by solving equations using the zero product property

how do I solve

Consider the polynomial P(x)=(x-1)(x+2)(x-3)(x-4)(x-6)-100The equation p(x)=0 has two real and two imaginary roots How... Explain it.. The equation p(x)=0 has roots. Please tell me the...

At 3:00 pm they are 75 miles away; they checked again at 4:30pm and were 15 miles away. a) on average, how fast were they traveling? b) write an equation that gives...

If y=ax2+bx+c passes through points (-3,10), (0,1), and (2,15), what's the value of a+b+c?

Application of systems of equations

It is asking what the equation is to solve the sets.

If -7 is one solution of the equation y2+cy-35=0, what's the value of c?

The graph of y=ax2+bx+c passes through the points (1,-8), (2,-1), (3,4), and (5,8). If the maximum value of y occurs at x=5, through which other point must the graph of y pass?

a club is making and selling ornaments to raise money. They rent a booth at a holiday bazaar for $50 and spend $3 per ornament on materials. They plan to sell ornaments for $8 each. How many ornaments...

the equation y=2.25 + 2.45 represents the amount a Louisville taxi cab charges for a ride. In the equation x represents the number of miles driven and y represents the total cost. In...

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