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saveliy_v [14]
2 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]2 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]2 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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Mr. Sanchez’s class sold fruit pies for $1.32 each and Mr. Kelly’s class sold bottles of fruit juice for $1.77 each. Together, t
aleksklad [387]

Answer:

Part a)

The quantity of fruit pies sold was 42

The quantity of juice bottles sold was 48

Part b) Mr. Kelly’s class earned more money

part c) \$29.52

Step-by-step explanation:

Part a)

Let

x-----> quantity of fruit pies sold

y----> quantity of juice bottles sold

we know that

x+y=90

x=90-y -----> equation A

1.32x+1.77y=140.40 ----> equation B

substitute equation A in equation B

1.32(90-y)+1.77y=140.40

118.8-1.32y+1.77y=140.40

0.45y=140.40-118.8

0.45y=21.6

y=48 bottles of fruit juice

Find the value of x

x=90-y ------> x=90-48=42 fruit pies

Part b) Which class earned more money?

Mr. Sanchez’s class

\$1.32x=1.32*42=\$55.44

Mr. Kelly’s class

\$1.77y=1.77*48=\$84.96

therefore

Mr. Kelly’s class earned more money

Part c) How much more money did that class earn?

Find the difference

\$84.96-\$55.44=\$29.52

6 0
3 years ago
Joe bought a house. His payments are $800 per month.<br> How much will he pay in 5 months' time?
Studentka2010 [4]

Answer:

4000

Step-by-step explanation:

just do 800 times 5 and there is your answer

6 0
3 years ago
Read 2 more answers
The mass of diamonds is measured in carats. Five carats is equivalent to 1 gram How many grams are in a 24 carat diamond? How ma
gavmur [86]
4.1 grams are in a 24 carat diamond
4 0
2 years ago
The scale on a map is 1:10 000
WARRIOR [948]
170cm apart on the map and 0.71 kilometers on the map
7 0
3 years ago
Match each quadratic graph to its respective function
Anna11 [10]

Answer:

f(x) = (x - 3)(x + 1) → Corresponds with the first (raised higher ) ∪ shaped graph

f(x) = -2(x - 1)((x + 3) → Corresponds with the ∩ shaped graph

f(x) = 0.5(x - 6)((x + 2) → Corresponds with the second (lower) ∪ shaped graph

Step-by-step explanation:

For the function f(x) = (x - 3)(x + 1)

We have;

When x = 0, y = -3

When y = 0 x = 3 or -1

Comparing with the graphs, it best suits the first ∪ shaped graph  that rises here than the other ∪ shaped graph

For the function;

f(x) = -2(x - 1)((x + 3)

When x = 0, y = 6

When y = 0, x = 1 or -3

Which corresponds with the ∩ shaped graph

For the function;

f(x) = 2(x + 6)((x - 2)

When x = 0, y = -24

When y = 0, x = -6 or 2

Graph not included

For the function;

f(x) = 0.5(x - 6)((x + 2)

When x = 0, y = -6

When y = 0, x = 6 or -2

Which best suits the second ∪ shaped graph  that is lower than the other (first) ∪ shaped graph

For the function;

f(x) = 0.5(x + 6)((x - 2)

When x = 0, y = -6

When y = 0, x = -6 or 2

Graph not included

For the function;

f(x) = (x + 3)((x - 1)

When x = 0, y = -3

When y = 0, x = -3 or 1

Graph not included

7 0
3 years ago
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