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Anna35 [415]
3 years ago
13

Help me plz i need help i need help

Mathematics
1 answer:
tigry1 [53]3 years ago
8 0

Answer:

the third one

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Write a polynomial function in standard form with given zero x=2,-1,-5
LekaFEV [45]

Answer:

Done below!

Step-by-step explanation:

(x - root)

(x - 2)(x - (-1))(x - (-5)) = (x - 2)(x + 1)(x + 5)

(x^{2} +x-2x-2)(x+5)=(x^{2} -x-2)(x+5)=x^{3}+5x^{2}-x^{2}   -5x-2x-10\\\\=x^{3}+4x^{2} -7x-10

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6(2+t)-4(t+1) what is the answer?
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the answer to the problem 6(2+t)-4(t+1) is 2t+8.

3 0
3 years ago
Literal equations 2x-3y=8 solve for y
jeka94
2x-3y = 8

Add 3y on both sides

2x = 8 + 3y

Subtract 8 on both sides

3y = 2x - 8

Divide 3 on both sides

<span>y= \frac{2}{3}x- \frac{8}{3}</span>
4 0
4 years ago
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A dealer paid $12,500.00 for a boat at an auction. At the dealership, a salesperson sold the boat for 25% more than the auction
murzikaleks [220]

Answer:

$625 for commision

Step-by-step explanation:

multiply 12,500.00 125% which is 1.25

then you get 15625, subtract 15625 - 12500 = 3125

the multiply that by 20% (.20) which is $625

4 0
3 years ago
a scientist notes that the number of bacteria in a colony is 50.3 hours later, she notes that the number of bacteria has increas
sergejj [24]

It will take 5.83 hours for the bacteria to reach 1119.

<h3>What is exponential Growth ?</h3>

Exponential growth is when the quantity increases according to the function

P_t = P_0 e^{ kt}

It is given in the question that

Initial number of Bacteria is 50

After 3 hours the bacteria has increased to 80

The bacterial growth is an exponential growth

P_t = P_0 e^{ kt}

80 = 50 e^{ k * 3}

Applying log on both sides

1.6 = 3*k

k = 1.6/3

k = 0.533

if this rate of growth continues, how much more time will it take for the number of bacteria to reach 1119

1119 = 50e^{0.533* t}\\\\3.18 = 0.533 *t\\\\5.83 = t

Therefore it will take 5.83 hours for the bacteria to reach 1119.

To know more about exponential growth.

brainly.com/question/11487261

#SPJ1

6 0
2 years ago
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