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Dmitrij [34]
3 years ago
14

Mary and her brother John

Mathematics
1 answer:
BabaBlast [244]3 years ago
5 0

let, x be the no of coins then according to question.Mary have 3x no of coins and John have x no of coins..

now, 3x+x=180

or,4x=180

or,x=180/4

therefore, x= 45

thus mary has 3×45=135 no of coins...

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Mark owns a personal training business. He makes a total of $500 for every 3 clients he acquires.
kykrilka [37]

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166 per person

Step-by-step explanation:

500 divided by 3

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3 years ago
Juan went to the store to buy a plant for his mother, but forgot to ask which kind to get. Out of 30 plants, eighteen of them ar
Luba_88 [7]

Answer:

Probability [Randomly choose plant Juan's mother want] = 3 / 5

Step-by-step explanation:

Given:

Total number of plant in store = 30 plants

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Probability [Randomly choose plant Juan's mother want]

Computation:

Probability of an event = Number of favorable outcome / Total number of outcomes

Probability [Randomly choose plant Juan's mother want] = Number of plant kind Juan's mother want / Total number of plant in store

Probability [Randomly choose plant Juan's mother want] = 18 / 30

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7 0
3 years ago
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Lilit [14]

Answer:A

Step-by-step explanation: The first few square numbers are:

1

,

4

,

9

,

16

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25

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36

,

49

,

√

1

=

1

√

4

=

2

√

9

=

3

√

16

=

4

√

25

=

5

√

36

=

6

w

w

w

w

w

w

←

√

40

lies here

√

49

=

7

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√

40

is between

6

and

7

8 0
3 years ago
Read 2 more answers
6. (5y+2)+14x=5y+ (2+14x)
svetoff [14.1K]
In my opinion it is C
4 0
4 years ago
Read 2 more answers
What is the product of 2r2 - 5 and 3r
faust18 [17]

Answer: 6r^3 - 15r

Step-by-step explanation:

(3r) (2r^2 - 5)

Distribute.

6r^3 - 15r

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8 0
3 years ago
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