Ask question

Ask question

All categories

3 years ago

7

Irina has 10 coins, all nickels and dimes, worth a total of $0.70. This is shown by the system of linear equations, x + y = 10 a

nd 0.05x + 0.1y = 0.7 How many nickels does she have? 4 6 7 10

1 answer:

sdas [7]3 years ago

5 0

6 nickels- 6+4=10, .05(6)+.1(4)=.7
.3+.4=.7

You might be interested in

Yoki is running a 10-mile race. She runs at a steady speed and then slows down, stops to get a drink of water, and

kondor19780726 [428]

Do you have any pictures to choose from anything to show what im looking at?

4 0

3 years ago

Read 2 more answers

A set of pens sells for $5.25 and costs $1.80 to make. Forty percent of the profit (the difference between the purchase price an

nikklg [1K]

Answer: $600.60

Step-by-step explanation: i hope this is correct have a great day :)

8 0

3 years ago

water level in a plastic pool changed by -8 gallons each hour after 6 hours,the pool contained 132 gallons.how much water was in

elena55 [62]

X = original amount of water
x - 8(6) = 132
x - 48 = 132
x = 132 + 48
x = 180...it originally contained 180 gallons

6 0

3 years ago

How many pairs of parallel line does a triangle have

sammy [17]

Answer:

None.

Step-by-step explanation:

A triangle has 3 sides so any pair of parallel lines is impossible.

3 0

3 years ago

Read 2 more answers

A linear function has a slope of -7/9 and a y-intercept of 3. How does this function compare to the linear function that is repr

Dmitriy789 [7]

The answer is that they're equal, one is just in point-slope form and the other is in slope-intercept form

4 0

3 years ago

Read 2 more answers