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AysviL [449]
3 years ago
6

6) 3:7 = 15:45. True OR False?

Mathematics
1 answer:
-Dominant- [34]3 years ago
7 0

Answer:

False

Step-by-step explanation:

to get from 3 to 15, you multiply by 5

So theoretically, if you multiply 7 and 5, you should get the other missing value.

7 x 5 ≠ 45

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

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The staff of the Westport public library signed up 6 volunteers in the last 21 days. If the library staff continues to sign up v
Andre45 [30]
Both 6 and 21 are divisive by 3 so each 7 day week the library hires 2 people.
answer is 2
4 0
3 years ago
Please Help I will vote Brainliest!
almond37 [142]

Answer:

x = 600 pages

Step-by-step explanation:

Let the total books pages be x

Given that

Hank had read = 25% of x

25% of x = 150

=>  

Multiplying both sides by 4

=> x = 150 * 4

=> x = 600 pages

Step-by-step explanation:

There you go.

5 0
2 years ago
2x - 3y = 9; 2x + y = 13
olga2289 [7]

Answer:

See explanations below

Step-by-step explanation:

Given the simultaneous equations;

2x - 3y = 9... 1

2x + y = 13 ... 2

From 2;

y = 13-2x

Substitute into 1;

2x - 3(13-2x) = 9

2x -39 + 6x = 9

8x - 39 = 9

8x = 9+39

8x = 48

x = 6

Since y  = 13-2x

y = 13-2(6)

y = 13-12

y = 1

The soluton to the system of equation is (6, 1)

Given the equations;

99x + 101y = 499; .... 1 * 101

101x + 99 y = 501 ... 2 * 99

______________

9999x + 10,201y = 50,399

9999x + 9801y = 49,599

Subtract

10201y - 9801y = 50399-49599

400y = 800

y = 2

Substitute y = 2 into 1;

From 1;

99x + 101y = 499

99x + 101(2) =499

99x +202 = 499

99x = 499 - 202

99x = 198

x = 198/99

x =2

Hence the solution is (2,2)

For the equations;

49x - 57y = 172 .... * 57

57x - 49y = 252 __ * 49

____________________

2793x -3249y =  9804

2793x - 2401y = 12348

Subtract

-3249y+2401y = 9804-12348

-848y = -2544

y = 3

Substitute into 1;

49x - 57y = 172

49x - 57(3) = 172

49x - 171 = 172

49x = 171+172

49x = 343

x = 7

Hence the solution is (7, 3)

8 0
2 years ago
What's 30.08 divided by 4
belka [17]
30.08 divided by 4 is 7.52
6 0
3 years ago
Read 2 more answers
Decide whether or not the figures are similar. Explain why or why not.
AleksAgata [21]

Step-by-step explanation:

To tell if JKON and JKLM are similar, compare the ratios between corresponding sides.  For example:

JK / KO = 5/8

JK / KL = 5/22

The ratios aren't the same, so the shapes aren't similar.

3 0
3 years ago
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