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3 years ago

Find the sum of the second 5 termsof the geometric a ries 3+6+12

Mathematics

2 answers:

Nikolay [14]3 years ago

6 0

Answer:

Step-by-step explanation:

daddy chill

faltersainse [42]3 years ago

4 0

Answer:

Step-by-step explanation:

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Set up an equation and solve the following problem.

nordsb [41]

Answer:

The speed of Dave is 42 miles per hour

The speed of Kent is 46 miles per hour .

Step-by-step explanation:

Given as :

The distance cover by Dave = d = 210 miles

The time taken by Dave = t hour

The speed of Dave = s miph

Again

The distance cover by Kent = D = 230 miles

The time taken by Kent = T hour

The speed of Kent = S = (s + 4 ) miph

For Dave

Time = $\dfrac{\textrm Distance}{\textrm Speed}$

So, t = $\dfrac{\textrm d miles}{\textrm s miph}$

Or, t = $\dfrac{\textrm 210 miles}{\textrm s miph}$

For Kent

Time = $\dfrac{\textrm Distance}{\textrm Speed}$

So, T = $\dfrac{\textrm D miles}{\textrm S miph}$

Or, T = $\dfrac{\textrm 230 miles}{\textrm (s + 4) miph}$

∵ Time taken by both is same

So, t = T

Or, $\dfrac{\textrm 210 miles}{\textrm s miph}$ = $\dfrac{\textrm 230 miles}{\textrm (s + 4) miph}$

Or, 210 × (s + 4) = 230 × s

Or, 210 × s + 210 × 4 = 230 × s

Or, 210 × 4 = 230 × s -210 × s

Or, 210 × 4 = 20 × s

∴ s = $\dfrac{840}{20}$

i.e s = 42 miph

So, The speed of Dave = s = 42 miles per hour

Again

The speed of Kent = S = (s + 4 ) miph

i.e S = 42 + 4

or, S = 46 miph

So, The speed of Kent = S = 46 miles per hour

Hence,The speed of Dave is 42 miles per hour

And The speed of Kent is 46 miles per hour . Answer

8 0

3 years ago

Plz help due 2morrow 14 and 15

lions [1.4K]

Answer:

14 length of the side is 3x-7

and 15 length of side is 2x+6

6 0

3 years ago

what is an equation of the line that passes through (3-1) and is parallel to y = -4x + 1 in slope intercept form?

Agata [3.3K]

So we are given that the line passes through (3,-1)
also been given the parallel line, we can tell that the slope is -4
to make a slope intercept form equation...
y = -4x +11

Hope this helps :)

4 0

3 years ago

How do i solve x² + x - 2

jeka94

Square x first then add x then subtract by 2

8 0

3 years ago

1. What is the next term in the pattern shown above?

a_sh-v [17]

I can’t see the picture but I’m assuming it’s like this, for example: 5 10 15 20... find the next term
so you see it is going up by 5 so the next term would be 25
20+5= 25
hope this helps!

7 0

3 years ago

Find the sum of the second 5 termsof the geometric a ries 3+6+12​

Find the sum of the second 5 termsof the geometric a ries 3+6+12