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bogdanovich [222]
3 years ago
13

a bell tolls every 10 minutes. another bell tolls every 15 minutes. both bells toll at 6:00pm. they will toll together at what t

ime
Mathematics
2 answers:
lidiya [134]3 years ago
8 0
The answer is 6:30 pm
Ne4ueva [31]3 years ago
4 0
Basically, we need to find the lowest common multiple of 10 and 15.

that multiply would be 30. That means that the bells will ring together in 30 minutes.
So 30 minutes from 6 p.m. is 6:30 p.m. <==
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Answer to letter B , C, D
Feliz [49]

Answer:

  • See below.

Step-by-step explanation:

<u>Our expression given: 3(x-6) + 2y</u>

A. Substitute x = -7 and y = 10 into the equation.

3( - 7 - 6) + 2(10)

<u>Use the Distributive Property:</u>

- 21 - 18 + 20

<u>Solve:</u>

- 19

B. Substitute x = 5 and y = -2 into the equation.

3(5 - 6) + 2( - 2)

<u>Use the Distributive Property:</u>

15 - 18 + -4

<u>Solve:</u>

-7

C. Substitute x = 0 and y = 6 into the equation.

3(0 - 6) + 2(6)

<u>Use the Distributive Property:</u>

- 18 + 12

<u>Solve:</u>

-6

D. Substitute x = 3 and y = 3 into the equation.

3(3 - 6) + 2(3)

<u>Use the Distributive Property:</u>

9 - 18 + 6

<u>Solve:</u>

-3

8 0
2 years ago
I am having trouble with my homeschool homework. please help.
Naya [18.7K]
Hello,
half of 3/4 =1/2*3/4=3/8

3/8+1/12+/18=3/8+1/8+1/12=1/2+1/12=7/12

Answer D
7 0
3 years ago
The scale factor on a scale drawing of machine part is 15 1 /8. If the part is 3 7/8 inches long as the drawing, how long is the
Marta_Voda [28]

Answer:

Option D) 58 39/64 inches​

Step-by-step explanation:

we know that

The scale drawing is

15\frac{1}{8}

convert to an improper fraction

15\frac{1}{8}=\frac{15*8+1}{8}=\frac{121}{8}

That means

121 in in the actual, represent 8 in on a scale drawing

To find how long is the actual part for 3 7/8 inches long as the drawing

Apply proportion

First convert to an improper fraction

3\frac{7}{8}=\frac{3*8+7}{8}=\frac{31}{8}

\frac{121}{8}\frac{actual}{drawing} =\frac{x}{(31/8)}\frac{actual}{drawing}\\ \\x=121(31/8)/8\\ \\x=\frac{3,751}{64}\ in  

convert to mixed number

\frac{3,751}{64}\ in=\frac{3,712}{64} +\frac{39}{64} =58\frac{39}{64}\ in

7 0
3 years ago
HELP PLEASE THANK U BAES
Ksenya-84 [330]

Answer:

1

Step-by-step explanation:

y-y1=m(x-x1)

y1= y-coordinate of a point

(-2,1)

the y-coordinate is 1

4 0
3 years ago
This table shows the number of miles that Sharon rode her bicycle in six weeks. If the mean number of miles she rode is 30, find
Nastasia [14]
(21 + 34 + x + 25 + 37 + 22) / 6 = 30
(139 + x) / 6 = 30 .....multiply both sides by 6
139 + x = 30 * 6
139 + x = 180
x = 180 - 139
x = 41......so during week 3, she rode her bike 41 miles

5 0
3 years ago
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