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kenny6666 [7]
2 years ago
5

What is the slope and y-intercept of 5x+4y=16 Also put the equation in slope intercept form.

Mathematics
1 answer:
Arturiano [62]2 years ago
7 0
Y=mx+b
m=slope
b=y intercept
just solve for y


5x+4y=16
minus 5x both sides
4y=-5x+16
divide both sides by 5
y=(-5/4)x+4

slope=-5/4
y intercept is y=4
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2 years ago
How many hoursarea180minub
Dafna11 [192]
Solutions 

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180 ÷ 60 = 3 

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Anthony drove 765 miles in two days. At this rate, how many miles will he drive in 3.5 days
rosijanka [135]

Answer:

1,338.75 miles in 3.5 days.

Step-by-step explanation:

What I did was first, 765/2=382.5

Then I did 382.5x3.5=1338.75(rounded 1339 or 1340)

Hope this helps.

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A square rug measures 8 feet by 8 feet. find the diagonal distance of the rug to the nearest whole number
Tanzania [10]
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A^2 + B^2 = C^2
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7 0
3 years ago
Kevin and Randy Muise have a jar containing 78 coins, all of which are either quarters or nickels. The total value of the coins
gregori [183]
Answer:

50 quarters and 28 nickels

Step-by-step solution:

We have two variables we are solving for. We will call them Q for the number of quarters and N for the number of nickels.

We know that the total number of coins is equal to 78, and we know that the total amount the coins are worth is equal to $13.90. With this information, we can set up a system of equations:

Q + N = 78

0.25Q + 0.05N = 13.90

Now we can solve for either Q or N in the first equation and solve by substitution by plugging the value into the second equation. Let's solve for Q:

Q = 78 - N

Now plug in 78-N for Q:

0.25(78-N) + 0.05N = 13.90

Distribute and combine like terms:

19.50 - 0.25N + 0.05N = 13.90

19.50 - 0.20N = 13.90

-0.20N = -5.60

N = 28

Now we know that there are 28 nickels. We can plug this into one of the original equations to solve for Q:

Q + 28 = 78

Q = 50

There are 50 quarters. We can verify our answer by plugging the values for A and N into the other equation (optional step to check work):

0.25(50) + 0.05(28) = 13.90

12.5 + 1.40 = 13.9

13.9 = 13.9

Our answer is correct.





5 0
3 years ago
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