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AleksAgata [21]
3 years ago
13

The least common multiple of 20,5, and 2.

Mathematics
1 answer:
USPshnik [31]3 years ago
8 0

Answer:

20

Step-by-step explanation:

the lowest number they can all muliply to is 20

20 x 1 = 20

5 x 4 = 20

2 x 10 = 20

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Use simultaneous equations to solve the following. Three kilograms of jam and two kilograms of butter cost $29 and six kilograms
artcher [175]

Answer:

The cost of 1kg jam is $7 and the cost of 1kg butter is $4

Step-by-step explanation:

Let jam = x

butter = y

3x + 2y = 29 -----(1)

6x + 3y = 54 -----(2)

(1)×2 ->

6x + 4y = 58 -----(3)

(3)-(2) ->

y = 4

suby=4into(2)

6x + 3(4) = 54

6x = 42

x = 7

(Correct me if i am wrong)

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3 years ago
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Nonamiya [84]

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2 years ago
Find the rate of change
vesna_86 [32]

Answer:

11

Step-by-step explanation:

The rate of change  is the ratio of the change in Y to the change in X.

When Y changes from -40 to 4, that is an increase of 44 (4--40=4+40=44), so the change in Y is +44.  The corresponding change in X is from -3 to 1, so the change in X is +4 (1--3=1+3=4).  The ratio of the change in Y to the change in X is 44/4=11.

Try doing the same computation going from the second row to the third row and you will get the same ratio of 11.

5 0
3 years ago
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The area of the base of a cube is 34 square meters.
nirvana33 [79]

Answer:

your answer would be 5.8

Step-by-step explanation:

8 0
2 years ago
Which is the same as 9/5?
Vesnalui [34]

Answer:

9 divided by 5 is the same as 9/5

7 0
2 years ago
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