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Serjik [45]
3 years ago
6

2. Kim is x years old. Jordan is 7 years older than Kim. Four times Jordan’s age is equal to 200.

Mathematics
2 answers:
Rom4ik [11]3 years ago
7 0

a:200/4= 50

50-7=43

b:43

c:50

lesantik [10]3 years ago
6 0

Answer:

Kim is 43 years old, and Jordan (7 years older) is 50 years old.

Step-by-step explanation:

Representation:

Kim's age is x

Jordan's is x + 7

Then 4(x + 7) = 200, and 4x + 28 = 200.

Simplifying, 4x = 172.  Dividing both sides by 4 to isolate x, we get:

x = 172/4 = 43

Thus, Kim is 43 years old, and Jordan (7 years older) is 50 years old.

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327 Seconds

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A sequence is a function whose domain is the set of __numbers.
MariettaO [177]
Answer - natural

A sequence is a function whose domain is the set of natural numbers.
5 0
3 years ago
Please explain every step
pogonyaev
<h3>Answer:</h3>

761680

<h3>Explanation:</h3>

\sf \boxed{\sum _{n=1}^{44}\:60\left(1.2\right)^{n-2}}

<u>Identify the following's</u>:

First Term [a]  =  60(1.2)ⁿ⁻² = 60(1.2)¹⁻² = 50

Common ratio [r]  =  1.2

Total Terms [n] =  44

===========================

\sf Geometric \ Sum \ of  \ Terms = \dfrac{a(r^n - 1)}{r-1}

===========================

Solving Steps:

<em />\rightarrow \sf \dfrac{a(r^n - 1)}{r-1}<em />

<em />

<em />\rightarrow \sf \dfrac{50(1.2^{44} - 1)}{1.2-1}<em />

<em />

<em />\rightarrow \sf 761679.5808<em />

<em />

\rightarrow \sf 761680 \ \ \  (rounded \ to \ nearest \ integer)

8 0
2 years ago
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