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denis-greek [22]
2 years ago
11

LEO has $30. He splits it with his sister in the ratio 3:2. How much money does leo have left?​

Mathematics
2 answers:
Ainat [17]2 years ago
7 0
18:12 - is the ratio - I don’t know weather 3 or 2 represents Leo so that’s just the amount
Alex73 [517]2 years ago
3 0

Answer:

18

Step-by-step explanation:

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numerele a, b si c sunt direct proportionale cu 2, 3 si 5. Daca media aritmetica a celor trei numere este egala cu 100, determin
Fynjy0 [20]

Answer:

a = 60

b = 90

c = 150

Step-by-step explanation:

Numerele a, b și c sunt direct proporționale cu 2, 3 și 5.

Unde k este constantă de proporționalitate

a ∝ 2

a = 2k

b ∝ 3

b = 3k

c ∝ 5

c = 5k

Dacă media aritmetică a celor trei numere este egală cu 100, determinați numerele a, b și c

= 2k + 3k + 5k / 3 = 100

= 10k / 3 = 100

Cross Multiply

= 10k = 3 × 100

= 10k = 300

Împărțiți ambele părți la 10

k = 300/10

k = 30

Pentru numărul a

a = 2k

a = 2 × 30

a = 60

Pentru numărul b

b = 3k

b = 3 × 30

b = 90

Pentru numărul c

c = 5k

c = 5 × 30

c = 150

Prin urmare, a = 60, b = 90, c = 150

3 0
3 years ago
I need help on this question as soon as possible
Dennis_Churaev [7]

Answer:

2.5, 5, 7, 8

Step-by-step explanation:

6 0
3 years ago
Which ordered pairs in the form (x, y) are solutions to the equation (x + 6)y = 9? Choose all answers that are correct.  A.(−5,
valentinak56 [21]
<span>So we need to find the solutions to the equation (x+6)y=9 so we can arrange them in pair (x,y). We simply plug in the numbers into the equation. First pair (-5,9), we get (-5+6)9=9 so 1=1 and that is true, so first pair works. Second pair: (-3+6)3=9 we get (3)3=9 and 9=9 so second pair also works. Third pair: (3+6)1=9 we get 9=9, also works. Fourth pair: (7+6)9=9 we get 13*9=9 and 117=9 which is false so the fourth pair can't be a solution for the equation. The correct answers are A, B and C.</span>
4 0
3 years ago
The bill for a pizza and soda was $20. You want to leave a 15% tip. What will be the total amount paid for the bill?
sukhopar [10]

Answer:

23

Step-by-step explanation:

20 *.15=3

20+3=23

3 0
2 years ago
What type of angle pair is Angle ACE and BCE?
Jobisdone [24]

if ACE line is linear so you can say BCA angle plus BCE equal to 180 degree
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