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Leviafan [203]
3 years ago
5

(( 20 pts. please please help with this, and explain if you can!! ))

Mathematics
1 answer:
liubo4ka [24]3 years ago
8 0

Answer:

-8,-40,-200,-1000,-5000,-25000

Step-by-step explanation:

a1 = -8

Let n = 2

a2 = 5 a1  = 5*(-8) = -40

Let n =3

a3 = 5 * a2 = 5 * -40 = -200

Let n =4

a4 = 5 * a3 = 5 * -200 = -1000

Let n =5

a5 = 5 * a4 = 5 * -1000 = -5000

Let n =6

a6 = 5 * a5 = 5 * -5000 = -25000

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I posted 2 question of this but nobody answered first answer gets brainliest and a thanks and 5 stars and 20 points and do all o
Mekhanik [1.2K]

Answer:

14. 13.65

15. 7.53

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Here are some answers! Hope this helps

6 0
3 years ago
What is the vertex of a parabola having the equation y = –2(x – 5)2 + 7? Which direction does the parabola open?
Vika [28.1K]

y = -2(x-5)^2 + 7

That's vertex form for a parabola y=a(x-p)^2+q and we read off vertex (p,q) as

Answer: Vertex (5,7)

The negative <em>a</em> tells us this is a downward opening parabola (upside down from the usual y=x^2. I remember CUP - Concave Up Positive; here <em>a </em>is negative so not a cup, instead concave <em>down.</em> The same rule applies to second derivatives in calculus so memorize it now and use it later.

Answer: downward

7 0
3 years ago
The percentage 21 is of 28 is equal to the percentage 30 is of 40<br> True?<br> or false?
katovenus [111]

Answer:

False

Step-by-step explanation:

75%

21

28 5.88

21 x 28

100

= 5.88

x 100% = 75%33.3333333333%

28 - 21

21

x 100% = 33.3333333333%

5 0
3 years ago
Find the surface area of the cylinder (please help)
Misha Larkins [42]

Answer:

surface area we can also take it as total surface area

9 is the radius and 5cm is the height . as they asked total surface area we have to take the area of base so tht we can make it as

total surface area = csa of cylinder + area of base

we know that,

2pirh+pir²

pir(2h+r)

pir(2×5+9)

pir(10+9)

pir(19)

22/7×9×19

3762/7

=> 537.42 cm² is the answer.

4 0
2 years ago
Read 2 more answers
What is the geometric mean of 3 and 147?
pychu [463]

to find the geometric mean, multiply them together, then take the square root

3*147

441

sqrt(441)

21

The geometric mean is 21

7 0
3 years ago
Read 2 more answers
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