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Marta_Voda [28]
3 years ago
6

Ratios equivalent to 20:30

Mathematics
2 answers:
olya-2409 [2.1K]3 years ago
8 0

Answer:

Infinite solutions.

Step-by-step explanation:

Equivalent ratios are made when you multiply both sides of the ratio by the same number, so there are infinite solutions as there are infinite numbers. Examples: 2:3, 4:6, 40:60, 10:15, etc

ivann1987 [24]3 years ago
4 0

Answer:

80:120

Step-by-step explanation:

20 x 4 = 80

30 x 4 = 120

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Decrease 784 in the ratio 3:4​
Y_Kistochka [10]

Answer:

336 and 448

Step-by-step explanation:

sum the ratio

divide the actual number by the sum i.e 784÷7=122

multiply 112 by 3 and by 4

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3 years ago
Mick paid $2.94 in sales tax of an item that cost $42.00 before tax. At that rate, how much would he pay in sales tax for an ite
BabaBlast [244]
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What is the common difference, d, in the arithmetic sequence defined by the formula below? an=2n+1
marishachu [46]
<h3><u>Answer:</u></h3>

  • d = 2

<h3><u>Solution:</u></h3>

We are given that the arithmetic progression is defined by :

➝ 2n + 1

<em>Therefore, </em>

  • <u>For </u><u>first </u><u>term</u>

➙ n = 1

➝ 2 × 1 + 1

➝ 2 + 1

➝ 3

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➙ n = 2

➝ 2 × 2 + 1

➝ 4 + 1

➝ 5

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➙ 2nd term - 1st term

➝ 5 - 3

➝ 2

<h3><u>More </u><u>information</u><u>:</u></h3>

  • The difference between the successive term and the preceding term is the difference of an arithmetic progression. It is always same for the same arithmetic progression.

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Answer:

52

Step-by-step explanation:

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The Answer is <u><em>7.88</em></u>

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