71 is 10 less than my number. What is my number?

Answers

Answer 1

Answer: your number is 81.simple and easy.

Answer 2

Answer: The answer is 81 because 71+10=80

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19) If x an y are odd numbers which of the following is even?a)(X+y)/3b) (x+y) x^y c) x^yd)x^y/2
Help plz:))) I’ll mark u brainliest ASAP!!!
MARKIN BRAINIEST !!!
To the nearest pound Jon has £9 to the nearest 50p Ellie has £6.50 work out the possible total amount of money
Select the property of equality used to arrive at the conclusion. If 5x = 20, then x = 4. the division property of equality the addition property of equality the subtraction property of equality

What is 90 out of 95 written as a fraction?

Answers

$90\ out\ of\ 95 = (90)/(95)\ which\ simplifies\ to\ (18)/(19)$

90/95 or it can also be written as 90 over 95

(PLEASE HELP! WILL MARK BRAINLIEST!!!!) 1. Given any two angle measures and a side length you can always create a triangle. Is this statement true or false? Explain your answer.

2. What is the sum of the three angles inside of a triangle and how do you know?

Answers

Answer:

false and sum of the three angles of any triangle is equal to 180 degrees.

Step-by-step explanation:

Colby and Jaquan are growing bacteria in an experiment in a laboratory. Colby starts with 50 bacteria in his culture and the number of bacteria doubles every 2 hours. Jaquan has a different type of bacteria that doubles every 3 hours. How many bacteria should Jaquan start with so that they have the same amount at the end of the day?

Answers

Here's the general formula for bacteria growth/decay problems

Af = Ai (e^kt)

where:
Af = Final amount
Ai = Initial amount
k = growth rate constant
t = time

But there's another formula for a doubling problem.
kt = ln(2)

So, Colby (1)
k1A = ln(2) / t
k1A = ln(2) / 2 = 0.34657 per hour.

So, Jaquan (2)
k2A = ln(2) / t
k2A = ln(2) /3 = 0.23105 per hour.

We need to use the rate of Colby and Jaquan in order to get the final amount in 1 day or 24 hours.

Af1 = 50(e^0.34657(24))
Af1 = 204,800

Af2 = 204,800 = Ai2(e^0.23105(24))
Af2 = 800

Answer:

800

Step-by-step explanation:

choose the equation of the horizontal line that passes through the point (−2, −1) a. y = -1 b. y = - 2 c. x = -2 d. x = -1

Answers

$(-2;\fbox{-1})\n\n\boxed{y=-1}\to\fbox{a.}$

2(X-4)+7=3 ? Which value of x is the solution

Answers

well ok.. so
2x-8+7=3
2x -1 =
+1 +1
2x=4
x=2 sorry :)

2x-8+7=3

2x-1=3

2x=4

x=2

Which is the graph of f(x) = x2 – 2x + 3?

Answers

Answer:

It's the first graph :D

Step-by-step explanation: hope it helps ^w^

Answer:

The correct answer is:

The graph will be the same width as the parent graph f(x) = x², but the vertex has been shifted to (1, 2).

Step-by-step explanation:

Since the value of a, the coefficient of x², is 1, this means the graph has not been stretched or shrunk. However, since the function is different than f(x)=x², we know that the vertex is not at (0, 0). We can write the function in vertex form to find the new vertex.

To write the function in vertex form, we find the value of b/2. The value of b in this function is -2; -2/2 = -1. We then square this: (-1)² = 1. This is what we add and subtract to the function (we must do both to preserve equality), giving us:

f(x) = x²-2x+1+3-1

The first three terms of this function can be written as the square (x+(b/2))²; this is (x-1)², and gives us f(x) = (x-1)²+3-1. Combining like terms, we have:

f(x) = (x-1)²+2

This is vertex form, f(x) = a(x-h)²+k, where (h, k) is the vertex. This means the vertex is at (1, 2) instead of (0, 0).

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