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saveliy_v [14]
3 years ago
14

The ratio of two numbers is 3 to 5. Their sum is 136. Find the two numbers. how do I write it into an equation?

Mathematics
1 answer:
kotykmax [81]3 years ago
4 0
3X + 5X = 136
8X = 136
X = 17 
Numbers are 51 and 85
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0.657g is the correct answer 
 
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Min is about to roll a six-sided number cube. What is the probability that she will roll an even number? A) 1 4 B) 1 3 C) 1 2 D)
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P(e)=number of evens/number of numbers :)

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Nadir saves $1 the first day of a month, $2 the second day, $4 the third day, and so on. He continues to double his savings each
zheka24 [161]

ANSWER

$16,384

EXPLANATION

From the question we have that,

Nadir saves $1 the first day of a month, $2 the second day, $4 the third day, and so on.

This forms a geometric sequence,

1,2,4,...

The first term of this sequence is

a = 1

The common ratio is

r =  \frac{2}{1}  =  \frac{4}{2}  = 2

The general term of a geometric sequence is given by the formula:

f(n) = a {r}^{n - 1}

To find the 15th term, we plug in a=1, r=2 and n=15.

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4 0
3 years ago
Suppose y = 48 + 3(2n - 1) is an explicit representation of an arithmetic sequence for integer values n ≥ 1. Find the xth partia
omeli [17]
a_n=48+3(2n-1)

The formula of the sum of the arithmetic sequence:
S_n=\dfrac{a_1+a__n}{2}\cdot n
calculate:
a_1=48+3(2\cdot1-1)=48+3=51
substitute
S_n=\dfrac{51+48+3(2n-1)}{2}\cdot n=\dfrac{99+6n-3}{2}\cdot n=\dfrac{96+6n}{2}\cdot n=3n^2+48n
Your answer is:
\boxed{f(x)=3x^2+48x}

5 0
3 years ago
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Someone please help me I need help!!
Nataly_w [17]
The y intercept will be (0,-9) and the x-intercept will be (-3.5, 0)
7 0
3 years ago
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