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GrogVix [38]
3 years ago
12

Hellllllllllllllllllllllllllllllllllllllllllpppp

Mathematics
1 answer:
Pavel [41]3 years ago
8 0

Answer:

1. x= 15

2. b= 29

3. r= 16

4. b= 7

5. t= 26

6. m= 19

7. y= 16

8. h= 50

9. s= 10

10. x= 10

Step-by-step explanation:

plug the number given into the equation then solve for the variable

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A store charges $1.25 per bathroom tile and lets you use their installation tools for free.Another store charges $0.75 per tile
padilas [110]

Answer:

100 tiles

Step-by-step explanation:

You would set up the equation like this.

1.25t=0.75t+50

Then, solve for t and it will show you how many tiles you will need to buy for it to be equal.

8 0
3 years ago
Solve 3x²-x-2=0. Please show all work.​
lorasvet [3.4K]

3x²-x-2=0

Δ=1+24=25 (Δ=b²-4ac)

x₁,₂=\frac{1(+/-)\sqrt{25} }{6}

x₁,₂=\frac{1(+/-)5}{6}

x1=\frac{1+5}{6}=6/6=1

x2=\frac{1-5}{6}=\frac{-2}{3}

so

x1=1

x2=\frac{-2}{3}

3 0
3 years ago
Simplity 5x 2x + 7 ​
babymother [125]

Answer:

7x + 7

Step-by-step explanation:

7x + 7

5x + 2x = 7x

7x + 7

3 0
3 years ago
Read 2 more answers
Cuanto es r2-2r-7=0​
vekshin1

Answer:

Step-by-step explanation:

The solution is attached

6 0
3 years ago
How to solve this ?<br>​
beks73 [17]

Answer:

1350

Step-by-step explanation:

use binomial general term expression for (r+1)th term

get the power of x in terms of r.

equate the expression to -2 and solve for r.

replace value of r and calculate the coefficient.

5 0
1 year ago
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