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strojnjashka [21]
2 years ago
10

Alex started a new social media account,which he used to post pictures of cute animals. On the first day he only had 8 followers

.a However his account became popular very quickly and the numbers of the followers tripled everyday. Identify how many followers he had in the 5th day.
Mathematics
1 answer:
Hatshy [7]2 years ago
7 0

Answer:

648 followers

Step-by-step explanation:

Let first day=a1

Tripled followers everyday

Second day=a2=a1×3

Third day=a3=a2*3

Fourth day=a4=a3*3

Fifth day=a5=a4*3

a=8 followers

a2=a1×3

=3*8

=24 followers

a3=a2*3

=24*3

=72 followers

a4=a3*3

=72*3

=216 followers

a5=a4*3

=216*3

=648 followers

On the fifth day, Alex will have a total of 648 followers on his new social media account.

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Habib is making some scones.
sergeinik [125]

Answer:

180^\circ C

Step-by-step explanation:

To convert from degree Fahrenheit to Celsius, we use the formula:

^\circ C=\dfrac{5^\circ F-160}{9}

If Habib's recipe is to be baked at 356 degree Fahrenheit, then we substitute F=356 to obtain an equivalent value in degree Celsius.

\text{Temperature in }^\circ C=\dfrac{5^\circ F-160}{9}\\=\dfrac{5*356-160}{9}\\=\dfrac{1780-160}{9}\\=\dfrac{1620}{9}\\\text{Temperature in }^\circ C=180^\circ C

Habib should bake his scones at 180^\circ C.

6 0
2 years ago
Read 2 more answers
Point \blue{A}Astart color #6495ed, A, end color #6495ed is at \blue{(-2, -7)}(−2,−7)start color #6495ed, left parenthesis, minu
Lina20 [59]

Answer:

(7,4)

Step-by-step explanation:

The midpoint formula is expressed as:

M(X, Y) = {(x2+x1)/2, (y2+y1)/2

Given the coordinates of the midpoint

M(2.5, -1.5)

Endpoint A(-2, -7)

Required

Endpoint B

From the formula;

X = x2+x1/2

Given

X = 2.5, x1 = -2

Get x2

2.5 = -2+x2/2

5 = -2+x2

x2 = 5+2

x2 = 7

Also

Y = y2+y1/2

-1.5 = -7+y2/2

-3 =-7+y2

y2 = -3+7

y2 = 4

Hence the coordinate of the endpoint B (x2,y2) is (7,4)

3 0
2 years ago
Air pressure may be represented as a function of height above the surface of the Earth as shown below. P(h)=PoE^-.00012h In this
AlexFokin [52]

The equation to find the air pressure (P(h)) at a height above sea level (h) is given by

P(h)=P_{0} e^{-0.00012h}

Where,

  • P(h) is the new pressure at height h
  • P_{0} is the air pressure at sea level, and
  • h is the height (measured in meters).

We want to know the new pressure that is 65% of P_0.  So we should substitute 0.65P_0 in P(h) (new pressure) to get the equation:

0.65P_0=P_0e^{-0.00012h}. Answer choice B is the correct one.

ANSWER: B

4 0
2 years ago
Read 2 more answers
charmaine and tesha each have a number of cards, in the ratio 2:3. tesha and holly have a number of cards in the ratio 2:1. if t
Sav [38]
C:t=2:3
t:h=2:1

multiply first equation by 2 and 2nd by 3
c:t=4:6
t:h=6:3
so
c:t:h=4:6:3

if t is 4 more than c
t is 6 units and c is 4
6-4=2
so 4=2 units
2=1 unit

hollly is 3 units
3*2=6
holly has 6 cards
3 0
2 years ago
In a certain region, the number of highway accidents increased by 20% over the four years period. How many accidents were there
erma4kov [3.2K]

Equation:

a  =    5120  

r     =     1  +    .2     =     1 . 2

f (n )   =     5120 *  1 . 2^n - 1

N    =          4      years


f ( 4 )  5120 *  1 . 2^4 - 1

5120 *  1 . 2^3

We want to know, The number of Highway Accidents in Four Years.

Answer:    8,847 Highway Accidents total:






Hope that helps!!!!!!!!!!!                                                            : )


7 0
2 years ago
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