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saveliy_v [14]
3 years ago
14

HELP WILL MARK BRAINLIEST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 98 POINTS!!!!!!!!!!!!!!!!!!!!!!!!!!!!

!!!!!!!!!!!!!!!!!
At the middle school, the bell rings every 40 minutes to tell the students to change classes.
Across the street the clock above city hall chimes every 30 minutes. Both the school bell
and the clock ring at noon. When will both bells ring again at the same time? Use Prime Factorization
Mathematics
2 answers:
Allisa [31]3 years ago
6 0

Solution:

Find the LCM of 40 and 30 = 2

12:00 + 2 hours = 2PM

Final Answer:

They will ringt together at 2PM

Naily [24]3 years ago
5 0

Answer:

2PM

Step-by-step explanation:

LCM (40,30) = 2

12:00 + 2 hours = 2PM

~batmans wife dun dun dun....

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If - 7 = 9 + x, then -3x + 5 = ?
Vikentia [17]

Answer:

53

Step-by-step explanation:

At first,

- 7 = 9 + x

By subtracting 9 from both sides, we get

-7-9=9+x-9

-16=x

Now,

By substituting the value of x in -3x + 5 , we get

-3x + 5

-3×(-16)+5

48+5

53

8 0
3 years ago
Divide 9x^2-21x-20 by x-1
olganol [36]
9 x^{3}-30 x^{2} +x+20

4 0
3 years ago
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5,049 +48=105
Alborosie
<h2>Solution (a) :-</h2>

Let the cost of the less expensive comic book be x .

Then :-

1284 - 11x = x

Using this equation , we can find the cost of the less expensive comic book .

Price of the less expensive book :-

1284 - 11x = x

11x + x = 1284

12x = 1284

x =  \frac{1284}{12}

x = 107

Cost of the less expensive book is 107 .

Therefore , the epice of the less expensive book = $ 107 .

<h2>Solution (b) :-</h2>

Cost of the more expensive book = 11x

Which means :-

1284 - x = 11x

11x + x = 1284

12x = 1284

x = 107

11x = 11 \times 107

= 1177

Therefore , the price of the more expensive book = $ 1177 .

4 0
3 years ago
Help no links pls.
Sever21 [200]
I think true and ya
6 0
2 years ago
Read 2 more answers
Enter values to write the function that matches the graph shown.
Bogdan [553]

Answer:

h(x) = (-2x + 4)(3x − 3 )

Step-by-step explanation:

4 0
3 years ago
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