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ratelena [41]
3 years ago
15

A(n) = 1 + (n –1)(–5.7)

Mathematics
1 answer:
ipn [44]3 years ago
4 0
1+ -5.7n +5.7
-5.7n+6.7 is the answer
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Use two points to enter an equation for the function. Give your answer in the form a(b)^n. In the event that a = 1, give your an
levacccp [35]

Answer:

m(n) = 24 (0.75)^n

Step-by-step explanation:

1) <u>The two points are</u>:

a) On the first swing she swings forward by 18 degrees: <em>(1, 18)</em>

b) On the second swing she only comes 13.5 degrees forward: <em>(2,13.5)</em>

2) <u>The general equation using the form given is</u>:

m(n)=A(B)^n

3) <u>Substitute the two points</u>:

18=A(B)\\ \\ 13.5=A(B)^2

4) <u>Divide the second equation by the first one</u>:

⇒ 13.5 / 18 = B

⇒ B = 0.75

5) <u>Substitue B = 0.75 into the first equation</u>:

18 = A (0.75) ⇒ A = 18 / 0.75 = 24

Hence, the equation is:

m(n) = 24 (0.75)^n

5 0
4 years ago
20 points! i need somebody to explain this to me for D + 4 &lt; 7.
Veronika [31]

Assuming there is no line under the "less than" sign, this means D + 4 < 7 solves to D < 3, which is what I'm assuming you got. This is found by subtracting 4 from both sides.

Writing D < 3 means D is some number less than 3. A solution is just that. You cannot pick 3 itself because 3 is not less than 3. But you can pick something like 2 since it is less than 3.

D+4 < 7

2+4 < 7 ... replace D with 2

6 < 7 ... true

Or D could be 1

D+4 < 7

1+4 < 7

5 < 7 .... true

and so on.

8 0
3 years ago
Factor completely 50 a^2 b^5 - 35 a^4 b^3 + 5 a^3 b^4
maw [93]

Answer:

5a^2b^3(-7a^2+ab+10b^2)

Step-by-step explanation:

Factor 50 a^2 b^5 - 35 a^4 b^3 + 5 a^3 b^4

−35a^4b^3+5a^3b^4+50a^2b^5

=5a^2b^3(-7a^2+ab+10b^2)

3 0
3 years ago
What is the area of the parallelogram (a) 168s sq inches b) 140 sq inches c) 130 sq inches d) 120 sq inches
irina [24]

Answer:

Step-by-step explanation:

Area of a parallelogram is given as the multiplication of its length by that of its height or breadth, however you call it.

In this question, you didn't state the length nor the breadth or height. You just listed the answers. It's very hard knowing the answer without having its dimensions. However, I can tell you that on the diagram or drawing you have there with you, multiply the two distance given to you together, it ought to give you one of the four options you listed above. Be it 168, 140, 130 or even 120 square inches.

4 0
3 years ago
What are the answers for these 2?
navik [9.2K]

Answer:

12/5=x and -3=n

Step-by-step explanation:

11) x-10-3x-4=7x-5

2x-14=7x-2

-12=5x

12/5=x

12)-6n-20=-2n+4-12n

-6n-20= -14n +4

-24=8n

-3=n

5 0
4 years ago
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