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Tanzania [10]
3 years ago
5

Which sequence is generated by the function f(n + 1) = f(n) – 2 for f(1) = 10? –10, –12, –14, –16, –18, ... –2, 8, 18, 28, 38, .

.. 8, 18, 28, 38, 48, ... 10, 8, 6, 4, 2, ...
Mathematics
2 answers:
Liono4ka [1.6K]3 years ago
8 0

Answer:

D

Step-by-step explanation:

just took the test

Vedmedyk [2.9K]3 years ago
6 0
Answer:
D

Step-by-step explanation:

Given

f(n + 1) = f(n) - 2 with f(1) = 10

To generate the sequence substitute values for n into the recursive formula.

f(1) = 10

f(2) = f(1) - 2 = 10 - 2 = 8

f(3) = f(2) - 2 = 8 - 2 = 6

f(4) = f(3) - 2 = 6 - 2 = 4

f(5) = f(4) - 2 = 4 - 2 = 2

The first 5 terms are 10, 8, 6, 4, 2
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Mark rode his bicycle for 2 hours at 20 miles/hour to get from place A to place B. What is the distance between the two places?
Flura [38]

Answer:

D. 40 miles

Step-by-step explanation:

If Mark rides 20 miles for every hour and he rides for 2 hours, then just multiply his time with his rate.

20 x 2 = 40

3 0
3 years ago
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What is the slope of this line?
user100 [1]

Answer:

The slope is 0 because it is just a horizontal line.

Step-by-step explanation:

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3 years ago
PLEASE HELP!!! WILL GIVE BRAINLIEST!!!
777dan777 [17]

Answer: (2,2) and (-5,16)

Step-by-step explanation:

Here we have both Line (Linear Function) and Parabola (Quadratic Function)

So I am gonna write these equations here,

y=x^2+x-4\\y=-2x+6

The first equation has Parabola graph (Since it's second degree.)

and the second equation has line graph.

To find the intersection, you have to substitute either -2x+6 in first equation (Quadratic) or x^2+x-4 in second equation (Linear)

For me, I am going to substitute x^2+x-4 in y=-2x+6.

x^2+x-4=-2x+6

Now solve the equation and find the value of x.

Since it's Quadratic Equation (Because there's x^2) I'd move -2x+6 to the left side.

x^2+x-4+2x-6=0 Finish things here (Subtract and Addition)

x^2+3x-10=0 What two numbers multiply to 10? Find the factors of 10, that are [1 and 10] and [2 and 5]

Now think about it, do you think that if 1 and 10 subtract or even addition, do you think that it'd be 3? No, of course not.

So 2 and 5 is right.

(x-2)(x+5)=0 (5-2 = 3) and (5*(-2) = -10)

Then we get both x, x=2,-5

However, this is not it. You have to substitute both x in Linear Equation.

Substitute x = 2 in y=-2x+6

y=-2(2)+6\\y=-4+6\\y=2

Order = (2,2)

Then substitute x = -5 in y=-2x+6

y=-2(-5)+6\\y=10+6\\y=16

Order = (-5,16)

So the intersections are both (2,2) and (-5,16) as shown in graph below.

4 0
3 years ago
39 is<br> % of 26.<br> WHATS THE ANSWER
Ira Lisetskai [31]

Answer:

150%

Step-by-step explanation:

To find percentage, divide one number by the other.

39/26 = 1.5

1.5 written as a percentage is 150%

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3 years ago
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Anarel [89]

Answer:

d)33

e)80

Step-by-step explanation:

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