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DENIUS [597]
2 years ago
12

Please help mememememememememmeemem

Mathematics
1 answer:
Feliz [49]2 years ago
5 0

Answer: D

The answer is ( 7, )

Step-by-step explanation:

Set the equations equal to each other. 3x - 28 = -3x + 14

Bring values over. 3x (+3x) - 28 = -3x + 14 (+28)

Add values together. 6x = 42

Divide by 6. x = 7

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What is the slope intercept of the equation of the line through the given point (0,3) and (-4,-1)
cestrela7 [59]

Answer:

y=x+3

Step-by-step explanation:

1.) Find slope

slope = (-1-3)/(-4-0)

= -4/-4

= 1

2.) Use point slope form

<u>y-y1= m (x-x1) </u>

both x1 and y1 are the points

m is the slope

3.) Plug in the numbers

for the points I chose (0,3) to plug in

y-3= 1 (x1-0)

y-3= x

y= x+3

8 0
3 years ago
Need some help with this question!
Veronika [31]
1. solve for x in first to just find nterms of y

x=12-y
sub that for x in other one
first divide that one by 2 to make it easier
2x-y=18
2(12-y)-y=18
24-2y-y=18
24-3y=18
minus 24 both sides
-3y=-6
divide -3
y=2

D is answer




2.
find intersection of x+y=5 and -2x+3y=6
or easiers, just test the intersections
wait, they all intersect in the same place
this is super easy
pick ANY point that is in that reigon and see if it is true

A, if we pick lets say (5,5)
that is false for x+y<5
not A

B
pick (10,0)
false for first one
not B

C
pick (0,0)
true for first
false for 2nd
not C


D. pick (-10,0)
true for first
true for 2nd


answer is D


answer is D for both questions
6 0
3 years ago
Toby the Tiger makes $25 an hour selling cereal. Write an equation to
gavmur [86]

Answer:

I think it is y=25x

Step-by-step explanation:

Since Tony the Tiger makes $25 an hour, in 2 hours, he would make $50. Both of them, when divided, equal 25, the constant of proportionality.

5 0
3 years ago
Fast-Food Bills for Drive-Thru Customers A random sample of 49 cars in the drive-thru of a popular fast food restaurant revealed
sergeinik [125]

Answer:

sample mean:: 17.92

ME = z*s/sqrt(n) = 1.8807*6.35/sqrt(47) = 1.7421

------------------------

Step-by-step explanation:

6 0
3 years ago
He climbed 16 yards in 32 minutes. What is the change in elevation each minutes?
ra1l [238]

Answer:

.5 yds per minute

Step-by-step explanation:

To find the change in elevation, divide the yards by the minutes

16 yds/ 32 minutes

1/2 yds per minute

.5 yds per minute

3 0
3 years ago
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