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Eduardwww [97]
3 years ago
12

The value of x, rounded to the nearest tenth is...

Mathematics
2 answers:
klemol [59]3 years ago
7 0
67 I’m pretty sure :(
vlada-n [284]3 years ago
4 0

Answer:

67

Step-by-step explanation:

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Factor 15z^2+17z-18 please show work
siniylev [52]

There is no common factor between 15, 17 and 18 because 17 is prime.  

15z² +17z - 18 =  

d = 17² - 4.15.-18  

d = 289 + 1080  

d = 1369  

z = (-17 +/- \/1369) : 2 * 15  

z = (-17 + 37) : 30  

z' = 20 : 30 = 2/3  

z" = (-17 - 37) : 30  

z" = -54 : 30 = -1.8  

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7 0
4 years ago
Jose’s tip is 15% of the cost of the meal . If a groups meal costs $60 , how much is her tip
antiseptic1488 [7]

Answer:

9

Step-by-step explanation:

Find 10%= 6

Find 5%=3

Add them together

7 0
3 years ago
Train A travels 50 miles/hour.Train A has been traveling for 25 minutes when train B set out in the same direction traveling 60
White raven [17]
The answer is 20.83......minutes
7 0
4 years ago
PLEASE HELP !! WILL MARK THE BRAINLIEST <br><br> Solve the system y = -x + 7 and y = 0.5(x - 3)2
Leno4ka [110]
Y = -X + 7
Y = .5(X-3)2

Alright check it out. Substitute the Y in the second equation for the first equation so...

-X + 7 = .5(X-3)2

After this, you have to get rid of the .5 and the 2 which is easy peasy because they just cancel out. If you were to multiply by half and then multiply by 2 then you'd be back to where you started. So...

-X + 7 = X - 3

Move the X to combine them on one side, I moved the -X to the opposite side by adding X to each side so you get...

7 = 2X - 3

You then add 3 to both side so...

10 = 2X

Divide by 2

X = 5

So...

Y = -5 + 7
Y = 2

Y = .5(5-3)2
Cancel out the .5 and the 2
Y = 5-3
Y = 2

(5,2) is your answer
6 0
3 years ago
What is the midpoint of (-2, -1) and (0, 9)
Fiesta28 [93]

Answer:

(-1,4)

Step-by-step explanation:

For x     the midpoint between   -2 and 0    is -1

for y the midpoint between -1 and 9 is  4

6 0
2 years ago
Read 2 more answers
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