2 years ago

I need help with this problem

Mathematics

1 answer:

kolezko [41]2 years ago

7 0

I need help in life

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Kevin and randy muise have a jar containing 68 coins, all of which are either quarters or nickels. the total value of the coins

Monica [59]

For this case, the first thing we must do is define variables:
x: number of quarters
y: number of nickels
We now write the system of equations:
x + y = 68
0.25x + 0.05y = 13.40
Solving the system we have:
x = 50
y = 18
Answer:
they have:
quarters = 50
nickels = 18

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3 years ago

What is the sum of the interior angles of the polygon pictured below?

kkurt [141]

3420°

explanation:

the equation of the sum of interior angles are (n-2)x180

polygon above has 21 sides so you sub n as 21 and plug the equation in the calculator

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2 years ago

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I would appreciate some help on this if anyone could answer it

Anuta_ua [19.1K]

Answer:

Step-by-step explanation:

yea

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3 years ago

What is the slope of the line that passes through the points (3, -4) and (7, 4)?

Andrews [41]

The correct option is: Option (C) 2

Explanation:

The slope formula is = m = $\frac{y_2 - y_1}{x_2 - x_1}$

Insert the values in the above formula:

m = $\frac{4 - (-4)}{7 - 3} = \frac{8}{4} = 2$

Which is Option (C).

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3 years ago

Y=ax-b for the variable x

dsp73

Answer:

Step-by-step explanation:

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2 years ago