3 years ago

What’s the ratio between the numbers 36 and 48

Mathematics

1 answer:

fiasKO [112]3 years ago

6 0

36 and 48 have the ratio of 3:4

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What is the solution to this system of equations? 2t + w = 10 4t = 20 − 2w A. It has no solution. B. It has infinite solutions.

joja [24]

Answer:

<h3>B. It has infinite solutions</h3>

Step-by-step explanation:

Given the system of equations:

2t + w = 10 ..... 1

4t = 20 − 2w ... 2

From 1:

w = 10-2t ...3

Substitute 3 into 2 to have;

4t = 20 - 2(10-2t)

4t = 20-20+4t

4t = 4t

Let t = k

Substitute t = k into 1 and get w;

From 1: 2t + w = 10

2k + w =10

w = 10 - 2k

<em>k can take any integers. This shows that the solution to the equation is infinite</em>

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3 years ago

What is the mean of -36,-25,12,-3 and 18

skad [1K]

I think the mean is -6.8

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3 years ago

Find the values of s1 and r for a geometric sequence with s4 = 18 and s6= 8<br>

stiv31 [10]

Answer:

see below

Step-by-step explanation:

The ratio of terms that are two terms apart (s4 and s6) is the square of the common ratio:

s6/s4 = r^2

r = √(8/18)

r = 2/3 . . . . . matches choices A and C

Using the formula for the general term, we now know enough to find the first term:

sn = s1·r^(n-1)

s4 = s1·(2/3)^(4-1)

Using s4 = 18 and multiplying by (2/3)^-3, we get ...

18·(2/3)^-3 = s1 = 18·27/8

s1 = 243/4 . . . . . matches choice A

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Step-by-step explanation:

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astra-53 [7]

Answer:

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3 years ago