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Ad libitum [116K]
2 years ago
12

A gym membership costs $25 to join, plus a $12 monthly fee. If Adam has spent $133 on his gym membership this year, for how many

months has he been a member?
Mathematics
1 answer:
max2010maxim [7]2 years ago
3 0

Answer:

133= 12x +25 (subtract 25 from both sides to isolate the x-term)

108= 12x (divide by 12 on both sides to get x alone)

x= 9 months

Step-by-step explanation:

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Grade 12<br>mathematics<br>(√98-√50)² ​
allsm [11]

Answer:

8

Step-by-step explanation:

Two different approaches:

<u>Method 1</u>

Apply radical rule √(ab) = √a√b to simplify the radicals:

√98 = √(49 x 2) = √49√2 = 7√2

√50 = √(25 x 2) = √25√2 = 5√2

Therefore,  (√98 - √50)² = (7√2 - 5√2)²

                                         = (2√2)²

                                         = 4 x 2

                                         = 8

<u>Method 2</u>

Use the perfect square formula: (a - b)² = a² - 2ab + b²

where a = √98   and   b = √50

So            (√98 - √50)² = (√98)² - 2√98√50 + (√50)²

                                      = 98 - 2√98√50 + 50

                                      = 148 - 2√98√50

Apply radical rule √(ab) = √a√b to simplify radicals:

√98 = √(49 x 2) = √49√2 = 7√2

√50 = √(25 x 2) = √25√2 = 5√2

Therefore,     148 - 2√98√50 = 148 - (2 × 7√2 × 5√2)

                                                 = 148 - 140

                                                 = 8

4 0
2 years ago
5. What are the zeros of the graph below?<br> A -2 and 0<br> B-1 and 0<br> C 0 and 2
Fed [463]

Answer:

A. -2 and 0

Step-by-step explanation:

The curve hits both mark -2 and 0

4 0
3 years ago
What is the value of the expression? 600/60=
Ray Of Light [21]
You could use a simple calculator it's only 10.
4 0
3 years ago
Find the measurement of X.
Sliva [168]

Since this is a scalene triangle, two sides will equal the same, meaning two angles will equal the same. So 70 has an equal on the other side, meaning 70+70=140, and x will equal the remainder, meaning x=40.

Hope that helps.

3 0
1 year ago
Read 2 more answers
6 + 3(x + 4)<br> PLEASE HELP!!!! I will give brainliest
Sophie [7]

3x+18

Step-by-step explanation:

8 0
3 years ago
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