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Phoenix [80]
3 years ago
10

4x +1 =2x + 5

Mathematics
2 answers:
schepotkina [342]3 years ago
7 0

Answer:

x=2

Step-by-step explanation:

4x+1=2x+5

-2x   -2x

2x+1=5

    -1  -1

2x=4

2x/2

4/2

x= 2

sorry I didn't explain better but here

balu736 [363]3 years ago
5 0
4x+1=2x+5
4x-2x=5-1
2x=4
x=2
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A bag contains a mixture of 300 red and 75 yellow candies. If you choose one candy at random, what is the probability that it is
natta225 [31]

Answer: A solid 4% chance of picking a yellow

brainliest plz

Step-by-step explanation: We first should combine 300 and 75 because those are the total values of the candies in the bag. After, we should divide the different candies by the total amount of them getting the numbers .8 for red and .2 for yellow. Since the question is that the yellow occurs but not the red and you can miss the bag you would want to calculate what the probability would be to have B happen but not A. The equation for that is:

(1 - P(A)) × P(B)  

where P(A)=.8 and P(B)=.2

plugging in all things it would be

(1-.8)*.2

which equals .04 or 4%

4 0
3 years ago
What is the common factor for the following monomials 12x to the third power 18x to the second power 6 x to the fourth power
hichkok12 [17]

12x^3=\boxed{2}\cdot2\cdot\boxed{3}\cdot \boxed{x}\cdot \boxed{x}\cdot x\\\\18x^2=\boxed{2}\cdot\boxed{3}\cdot3\cdot \boxed{x}\cdot \boxed{x}\\\\6x^4=\boxed{2}\cdot\boxed{3}\cdot \boxed{x}\cdot \boxed{x}\cdot x\cdot x\\\\LCF(12x^3,\ 18x^2,\ 6x^4)=\boxed{2}\cdot\boxed{3}\cdot\boxed{x}\cdot\boxed{x}=6x^2\\\\Answer:\ \boxed{\boxed{6x^2}}

6 0
3 years ago
The population of a heard of cattle numbered was 5000 to begin with and was 10,000 after 10 years. If the population was growing
Lapatulllka [165]

Answer:

r=0.0718. The closest value from your given choices is C)r=0.69

Step-by-step explanation:

To solve this we are using the standard exponential growth equation:

f(t)=A(1+r)^t

where

f(t) is the final population after t years

A is the initial population

r is the growth rate in decimal form

t is the time in years

We know from our problem that the initial population is 5000, the final population is 10000, and the time is 10 years, so A=5000, f(t)=10000, and t=10.

Let's replace the values and solve for r:

f(t)=A(1+r)^t

10000=5000(1+r)^{10}

Divide both sides by 5000

\frac{10000}{5000} =(1+r)^{10}

2=(1+r)^{10}

Take root of 10 to both sides

\sqrt[10]{2} =\sqrt[10]{(1+r)^{10}}

\sqrt[10]{2} =1+r

Subtract 1 from both sides

\sqrt[10]{2}-1=r

r=\sqrt[10]{2}-1

r=1.0718-1

r=0.0718

We can conclude that the growth rate of our exponential equation is r=0.0718. The closest value from your given choices is C)r=0.69

3 0
4 years ago
Find the percent of the number <br>105% of 400​
just olya [345]

Answer:

105% of 400 is 420, the percent is 42000%

Step-by-step explanation:

6 0
3 years ago
I don't understand this question. I was hoping someone could help.​
iris [78.8K]

Answer:

A

Step-by-step explanation:

The constant rate of change in this question simply means the slope

To get the slope, we simply get two points and apply the slope equation;

The points are;

(3,60) and (6,30)

The slope equation is;

m = (y2-y1)/(x2-x1) = (30-60)/(6-3) = -30/3 = -10 ft/s

So our answer is the first option as it represents a decent of -10 ft/s

8 0
3 years ago
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