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Nostrana [21]
3 years ago
14

¡ HELP Plz ! Graph this line using the slope and y-intercept: y=1/2x-1

Mathematics
2 answers:
Sladkaya [172]3 years ago
8 0
-1 is your x intercept so the first point is going to be at (0,-1) and from there go up 1 and over to the right 2 and mark another point and so one
eduard3 years ago
6 0
Take your y intercept (-1) and put a dot on -1 of the y axis. Then use the slope to find other points by going up 1 and over 2. Draw a line through two points on the line.

so using the slope to find another point:

(0, -1)
(0 + 2, -1 + 1)
(2, 0)
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Of the marbles in a bag 5 are red 4 are yellow and 4 are blue Sandra will randomly choose one marble from the bag fill in the bl
timurjin [86]

Answer:

A. 4/13

B. Likely.

4 0
2 years ago
A cell phone company tests 75 cell phones and finds that 3 of them have defects. Out of 450 cell phones, how many would you expe
Hoochie [10]

Answer:

18 cellphones

Step-by-step explanation:

75 x 6= 450

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3 years ago
The coordinates of the vertices of △PQR are P (0, 1), Q (0, 0),
torisob [31]

Step-by-step explanation:

step 1. P(0, 1) -> P'(0, -1)

step 2. Q(0, 0) -> Q'(0, 0)

step 3. R(-2, 0) -> R'(2, 0)

4 0
3 years ago
In a carnival drawing, a green ticket wins $1, a yellow ticket wins $5, and a blue ticket wins $10. There are 100 green tickets,
Rashid [163]

Answer:

D) 3:10

Step-by-step explanation:

Well only blues and yellows are at least $5. there are 25 yellows and 5 blues and if you add them together there's 30 in total. Now compare that 30 to 100 and you have 30:100. In the simplest form you have to divide both sides by 10 and it becomes 3:10.

3 0
3 years ago
Write a proportion to find how many points x a student needs to score on a test worth 50 points to get a test score of 78%.
olganol [36]
The answer is:  "39 points" .
_______________________________________________________
Explanation:
_______________________________________________________
" x/ 50 = 78/100 " ;   in which "x" equals the number of points needed.

_______________________________________________________

To solve for "x" ; 
_______________________________________________________

Look at the denominators:  50 * (what value?) = 100.

→ "100 ÷ 50 = 2" .

→ So;  "50 * 2 = 100" ; 

So, let us look at the numerators:

x * 2 = 78 ; 

↔  2x = 72 ; 

Divide each side of the equation by "2" ; to isolate "x" on one side of the equation ; and to solve for "x" ;
_____________________________________________
 →  78 ÷ 2 = 39 ;

The answer is:  "39 points" .
_____________________________________________


4 0
3 years ago
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