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Pie
4 years ago
12

Help me pls will give out points

Mathematics
1 answer:
Tanzania [10]4 years ago
6 0

y = ab^{x}

y = 3 \times {4}^{x}

"a" is the initial amount (3), and "b" is the growth factor (4).

To find "b" plug in the knowns into the exponential function equation and solve.

y = ab^{x}

48 = 3 \times  {b}^{2}

16 =  {b}^{2}

\sqrt{16}  = b

b = 4

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The sum of five consecutive positive integers is 2020. Find the largets of these numbers.
Alona [7]

Answer:

406

Step-by-step explanation:

let the 5 consecutive positive integers be

n , n + 1 , n + 2 , n + 3 , n + 4 , then

n + n + 1 + n + 2 + n + 3 + n + 4 = 2020

5n + 10 = 2020 ( subtract 10 from both sides )

5n = 2010 ( divide both sides by 5 )

n = 402

then

largest integer = n + 4 = 402 + 4 = 406

4 0
2 years ago
Write an equation for the line in the given form.
jeka57 [31]

Answer:

  y -1 = 6(x +4)

Step-by-step explanation:

The point-slope form of the equation for a line is ...

  y -k = m(x -h)

for a line with slope m through point (h, k). You have m=6, (h, k) = (-4, 1), so your equation is ...

  y -1 = 6(x -(-4))

This simplifies to ...

  y -1 = 6(x +4)

8 0
4 years ago
Which operations are commutative and associative?
Vadim26 [7]

Answer:

Step-by-step explanation:

if there are two numbers a and b.then

1. a+b=b+a ,commutative under addition.

2. ab=ba,commutative under multiplication.

If there are three numbers a,b,c then

1. a+(b+c)=(a+b)+c,associative under addition.

2.

a×(b×c)=(a×b)×c ,associative under multiplication.

6 0
4 years ago
If one side of a square is increased by 8 cm and an adjacent side decreased by 2 cm, a rectangle is formed whose perimeter is 40
sveta [45]
<h3>Answer:  7 cm</h3>

===========================================================

Explanation:

x = side length of the original square (measured in cm).

One side increases by 8 cm to go from x to x+8. At the same time, an adjacent side decreases from x to x-2 (aka it decreases by 2 cm).

The x by x square turns into a x+8 by x-2 rectangle.

L = x+8 = length

W = x-2 = width

P = perimeter of rectangle

P = 2(L+W)

P = 2(x+8+x-2)

P = 2(2x+6)

P = 4x+12

The perimeter of this rectangle is 4x+12, which is set equal to the stated perimeter 40 cm. We'll use this to solve for x.

P = 40

4x+12 = 40

4x = 40-12

4x = 28

x = 28/4

x = 7

The square originally had side lengths of 7 cm.

Increasing this by 8 cm gets us x+8 = 7+8 = 15 cm. So L = 15.

Also, W = x-2 = 7-2 = 5 cm is the width.

Then note how P = 2(L+W) = 2(15+5) = 40 to help confirm the answer.

4 0
3 years ago
Can someone tell me a joke or a funny time that you before?<br> im bo.red lol
sp2606 [1]

TRUE STORY

My friend: so how u be--

Me: has a seizure

Her: takes a video laughing

Me: almost dying

Her: not giving a poop

Me: finally Get air back in my lounge

Her: saw it bussin bussin sara

Me: dies all over agian

Hope this was funny -_-

6 0
3 years ago
Read 2 more answers
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