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ra1l [238]
3 years ago
6

Write an equation in slope-intercept form of the line shown. A graph of a line. The line passes through ordered pair negative 4

comma 0 and ordered pair 1 comma negative 5. $y=$

Mathematics
1 answer:
Marianna [84]3 years ago
5 0
Ans: y = x + 4
workings in the pic below:) & I’m sorry if it’s wrong :(((!

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Paul has 12 coins in his pocket, consisting entirely of dimes and quarters. If he has a total of 195 cents in coins, how many co
anyanavicka [17]

Let x be the number of dimes

and y be the number of quarters

Total number of coins = 12

So number of dimes + number of quarters = total number of coins

x + y = 12 ---------> equation 1

We know, 1 Quarter = 25 cents, 1 Dime = 10 cents, total cents = 196

y quarters = 25y cents , x dimes = 10x cents

x dimes + y quarters = 195 cents

10x + 25y = 195 -----------> equation 2

Now solve both equations

x + y =12, we solve for y by subtracting x on both sides

y = 12-x

Now substitute y in second equation

10x + 25(12-x) = 195

10x + 300 -25x = 195 (combine like terms)

-15x + 300 = 195 (subtract 300 on both sides)

-15x = -105 ( divide by -15)

x=7

y= 12-x

y=12-7 = 5

The number of dimes = 7

Number of quarters = 5






8 0
3 years ago
Which number line illustrates the problem below? x = -1 - (-2) -3
Alina [70]
The answers to that would be x=-2
5 0
3 years ago
Help me pls
expeople1 [14]

I think you can find it graphically by points through a table you create like:

let x = 0, and find the value of y

for example for the first equation when we let x = 0 you find y = 6 and be in the form of (0,6) then draw them or you can let x = -2 or -3 , etc as you like

to be more accurate you can find 3 pionts and start graphing them

these two equations are straight lines and they will intersect in a point

5 0
2 years ago
Evaluate the expression 81-8^2
Tpy6a [65]

Answer:

17

Step-by-step explanation:

Do the exponent first, then subratct it to 81

7 0
3 years ago
How would I get this information into Y=Mx+B
andriy [413]
One question at a time, please.  I will focus on #16 and ignore #18.

slope:  3/4              line passes thru (-8,2)

Write out    y = mx + b.  Subst. 2 for y.  Subst. -8 for x  Subst. (3/4) for m:

2 = (3/4)(-8) + b.  Find b.           2 = -6 + b    =>           b = 8

So your equation is y = (3/4)x + 8.  Please, use (  ) around those fractions!
3 0
3 years ago
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