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IRISSAK [1]
3 years ago
8

What is the slope & y-intercept of this equation? y = -1/3x - 5

Mathematics
1 answer:
Archy [21]3 years ago
3 0
Slope : -1/3
Y - intercept : -5
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If each pound of beef costs $3.69, how much does 2 pounds cost? Round to the nearest cent.
Kryger [21]

Answer: Two pounds of beef costs $7.38.

Step-by-step explanation:

Multiply the cost for one pound by the amount of pounds you need.

$3.69×2=$7.38

I hope this helps!!

6 0
1 year ago
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Trina has 72 collectors stamp she puts 43
ryzh [129]
116 if you add 72 plus 43
7 0
3 years ago
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Your friend gave you a gift card to a new restaurant. after you spend $36 on dinner, there is a balance of $44 left on the gift
Sergio [31]
36+44=80 when you add them
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3 years ago
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Solve the system of linear equations by substitution.
Anastasy [175]

Answer: The solution is the ordered pair (1/2,  -3/4) so x = 1/2 and y = -3/4 pair up together. The two lines, when graphed, cross at this location.

note: 1/2 = 0.5 and -3/4 = -0.75; so the intersection point can be written as (0.5, -0.75)

===================================================

Explanation:

The second equation has y isolated. We can replace the y in the first equation with the expression 1/2x - 1

3x + 2y = 0

3x + 2( y ) = 0

3x + 2( 1/2x - 1) = 0 ... y is replaced with 1/2x-1

3x + 2(1/2x) + 2(-1) = 0 .... distribute

3x + x - 2 = 0 .... note how 2 times 1/2 is 1

4x - 2 = 0

4x = 2

x = 2/4

x = 1/2

Use this x value to find the y value it pairs with

y = (1/2)*x - 1

y = (1/2)*(1/2) - 1 ... replace x with 1/2

y = 1/4 - 1

y = 1/4 - 4/4

y = (1-4)/4

y = -3/4

8 0
3 years ago
Carolyn says that point A and point B represent opposite integers. a. What is the opposite of the integer represent by point A?
zysi [14]

we are given

point-A= -7

point-B=8

(a)

opposite of point-A is negative of point-A value

so,

opposite of point-A is -(-7)

opposite of point-A is 7

opposite of point-B is negative of point-B value

so,

opposite of point-B is -8

opposite of point-B is -8

(b)

we can see that

opposite of point-A is 7

opposite of point-B is -8

they are not equal

so, this argument is FALSE.......Answer

4 0
3 years ago
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