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Bumek [7]
1 year ago
8

The sum of two numbers is 27. One number is 2 times as large as the other. What are the numbers?

Mathematics
2 answers:
Alex1 year ago
6 0

Answer:

9 and 18

Step-by-step explanation:

x+y=27\\x=2y\\2y+y=27\\3y=27\\y=27/3=9\\x=27-9=18

masya89 [10]1 year ago
5 0

Answer: <em>Please note the number of the order may differ.</em>

n_1  = 18

n_2 = 9

Step-by-step explanation:

     We will write mathematical equations to represent the situation. Let n_1 be the first number and n_2 be the second.

-> The sum of two numbers is 27.

n_1 + n_2 = 27

-> One number is 2 times as large as the other.

n_1  = 2 * n_2

     Now, we will solve it as a system of equations.

n_1 + n_2 = 27

(2 * n_2) + n_2 = 27

3 * n_2 = 27

n_2 = 9

-----------

n_1  = 2 * n_2

n_1  = 2 * (9)

n_1  = 18

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Answer:

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Step-by-step explanation:

I = prt

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note: I changed 4% to a decimal and 30 months to 2.5 years

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The simple interest accumulated on a principal of $ 2,400.00  at a rate of 4% per year for 2.5 years (30 months) is $240.00.

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Answer:

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Step-by-step explanation:

The lines intersect at point L, so all angles have a vertex (middle letter) L so there is no angle TRL

Straight angle is a line with dot-vertex, so the straight angles are ∠RLS and ∠TLU.

∠TLS is less than 90° then it is acute angle (∠SLT is the same angle). ∠ULR is vertex angle to ∠TLS, so it's also acute angle.

Two angles adding to straight angle mean that they are both right angles or one is acute and the second is obtuse. ∠TLS is acute so ∠RLT is obtuse (they adding to ∠RLS) and ∠SLU is obtuse (they adding to ∠TLU). ∠ULS is the same angle as ∠SLU.

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