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kodGreya [7K]
3 years ago
14

Select all equations where r=3 is a solution

Mathematics
1 answer:
belka [17]3 years ago
5 0

Answer:

the first equation

Step-by-step explanation:

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PLS HELP!! LOOK AT PICTURE!<br> Find the value of x in the similaur figures.
MAXImum [283]

Answer:

x=7

Step-by-step explanation:

14/28=x/14

x=7

8 0
2 years ago
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The diagrams show a right angled triangle and a rectangle.
Mrrafil [7]

Answer:

hope it helps you......................

8 0
2 years ago
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The equation is________<br> Solve the equation x=________
Komok [63]

Answer:

7x-5 = 9

x = 2

Step-by-step explanation:

Let x be the number

7x-5 = 9

Add 5 to each side

7x-5+5 = 9+5

Divide each side by 7

7x = 14

7x/7 = 14/7

x=2

5 0
3 years ago
Find the area. Please help
Nutka1998 [239]

The answer to your question is 77 because the formula for area for a triangle is A=1/2BH and the base is 11 feet and the height is 14 feet. So, (14•11)/2 is 77. Therefore, 77 squared feet is the answer.

6 0
3 years ago
Factor 2m^3-12m^2+18m completely
Nina [5.8K]

Answer:

The answer is A.

Step-by-step explanation:

Firstly, you have to take out the common terms for this expression. In this expression, the common terms ard 2 and m :

2 {m}^{3}  - 12 {m}^{2}  + 18m

= 2( {m}^{3}  - 6 {m}^{2}  + 9m)

= 2m( {m}^{2}  - 6m + 9)

Next you have to factorise the brackets :

{m}^{2}  - 6m + 9

=  {m}^{2}  - 3m - 3m + 9

= m(m - 3) - 3(m - 3)

= (m - 3)(m - 3)

=  {(m - 3)}^{2}

So the final answer is :

2m {(m - 2)}^{2}

6 0
3 years ago
Read 2 more answers
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