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kicyunya [14]
2 years ago
7

How many solutions does 9x-18=3(3x-6)have?​

Mathematics
1 answer:
Reptile [31]2 years ago
5 0

Answer:

0

Step-by-step explanation:

9x-18=3(3x-6)

3(3x-6)=9x-18

9x-18=9x-18

9x-9x=0

-18+18=0

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I need help with this
svp [43]
I’m not sure how to explain it but the answer is B
6 0
3 years ago
Trina planted plants in her garden last week. She planted twice as many cucumbers as zucchini and eight more tomatoes than cucum
maxonik [38]

Answer:

7 Zuchini, 14 Cucumbers and 22 Tomatoes plants.

Step-by-step explanation:

  • Let the number of tomatoes=t
  • Let the number of cucumber planted=c
  • Let the number of zucchini planted=z
  • Total Number of Plants=43

She planted twice as many cucumbers as zucchini, this is written as:

  • c=2z

She also planted eight more tomatoes than cucumbers, this is written as:

  • t=c+8=2z+8

In total, she planted 43 plants

Therefore:

z+(2z)+(2z+8)=43

5z+8=43

5z=43-8

5z=35

Divide both sides by 5

z=7

Number of Cucumbers, c=2z=2 X 7 =14

Number of Tomatoes, t=c+8=14+8=22

Therefore, she planted 7 Zuchini, 14 Cucumbers and 22 Tomatoes plants.

3 0
3 years ago
Identify the vertex of the function, fx) = 3(x - 1)2 + 5.
madam [21]

Answer:

fx) = 3x+4

Step-by-step explanation:

1. step:

solve the bracket

fx) = 3(x - 1) 2 + 5

fx) = 3x-1+2+5

2. step:

use the BEDMAS form.

fx) = 3x-3+7

fx) = 3x+4

8 0
3 years ago
Evaluate u+ xy for u=9, x=9, y=7
Bad White [126]
U+xy
On replacing for u, x and y.
=9+9*7
=9+63
=72

5 0
3 years ago
Lisa has $15 in her piggy bank. How much additional money does she need to buy a game that costs $75?
Bogdan [553]
75 - 15 = 60$ you subtract kind of doing it backwards in a sense to get your answer.
7 0
3 years ago
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