Answer:
The function Q(t) = 4.5 billion (1.013)^t will give the population in t years
Step-by-step explanation:
Here, we want to write a function
The growth percentage is 1.3% = 1.3/100 = 0.013
The function Q(t) will be an exponential function and it will be represented as;
Q(t) = I ( 1 + r)^t
where I is the initial world population at 1980 = 4.5 billion
r is the growth percentage = 1.3% = 0.013
t is the time in years
Substituting these values, we have;
Q(t) = 4.5 billion (1 + 0.013)^t
Q(t) = 4.5 billion (1.013)^t
2 ( 4x - 3 ) - 8 = 4 + 2x Giving me a headache
1 Expand.
8x-6-8=4+2x8x−6−8=4+2x
2 Simplify 8x-6-88x−6−8 to 8x-148x−14.
8x-14=4+2x8x−14=4+2x
3 Add 1414 to both sides.
8x=4+2x+148x=4+2x+14
4 Simplify 4+2x+144+2x+14 to 2x+182x+18.
8x=2x+188x=2x+18
5 Subtract 2x2x from both sides.
8x-2x=188x−2x=18
6 Simplify 8x-2x8x−2x to 6x6x.
6x=186x=18
7 Divide both sides by 66.
x=\frac{18}{6}x=
6
18
8 Simplify \frac{18}{6}
6
18
to 33.
x=3x=3
Done Hope this helps let me know if u have any questions thank you
what is the answer to 198=154+7x-68
Answer:
it is x=16
Step-by-step explanation:
Simplify. .
-(2x – Зу) + 5х + 2 – 3х + Зу + 2
А. 4
В. 4х + 4
С. 6y + 4
D. 4х + бу + 4
Please select the best answer from the choices provided
A
B
ОООО
С
D
Answer:
6y+4
Step-by-step explanation:
-(2x-3y) +5x +2 -3x +3y +2
(-2x -3x +5x) (3y +3y) (2 +2)
0 +6y +4
6y +4
Which is a better deal?
An ice company charged $6.02 for 7 bags of ice. If a
convenience store sold 6 bags of ice for $5.52, which is a
better buy?
Explain/Justify your answer
Answer:
The $6.03 for 7 bags of ice is a better deal
Step-by-step explanation:
In order to find out which is a better deal we find the unit price.
To find the unit price we do the cost divided by how many bags of ice.
6.02 divided by 7 = 0.86, so the unit price is 0.86/1
5.52 divided by 6 = 0.92, so the unit price is 0.92/1
Finally, we can see which has a lower unit price which is the $6.03 for 7 bags of ice
In(x - 2) – In(x + 2)
Answer:
i think it is in(x-2/2+2) the + on the bottom and the - on top as a fraction:) hope it helps
Step-by-step explanation:
7. During a person's commute to school, she spends 10 minutes driving 30 miles per hour (mph) and 5 minutes stopped at red lights. (a) (1 pt.) Find the distance of her commute.
Answer:
Total distance = 5 miles
Step-by-step explanation:
Given:
Total time for drive = 10 min = 10 / 60 = 1/6 hour
Time for stop = 5 min
Speed = 30 miles pr hour
Find:
Total distance
Computation:
Total distance = Speed × time
Total distance = 30 × (1/6)
Total distance = 5 miles
An airplane covers 94 miles in 1/6 of an hour
The airplane can cover blank miles in 6 hours
What is the answer
Answer:
3384 Miles in 6 hours
Step-by-step explanation:
94 x 6 would equal how many miles the airplane covers in 1 hour.
1 hour equals 564 miles.
564 x 6 equals 3384 miles in 6 hours
Diego is buying shrimp and rice to make dinner. Shrimp
costs $6.20 per pound and rice costs $1.25 per pound.
Diego spent $10.55 buying shrimp and rice.
The relationship between pounds of shrimp s, pounds
of rice r, and the total cost is represented by the
equation 6.20s + 1.25r= 10.55.
Write an equation that makes it easy to find the number
of pounds of rice if we know the number of pounds of
shrimp purchased.
Answer:
r= (10.55−6.20s)
--------------------------
1.25
Step-by-step explanation:
Using the principle of subject of formula, we make number of pounds of rice, r the subject of the given equation. Hence, the equation would be r = (10.55 - 6.20s)/1.25
Given the expression :
6.20s + 1.25r = 10.55
Isolate 1.25r
1.25r = 10.55 - 6.20s
Divide both sides by 1.25 to isolate r
r = (10.55 - 6.20s)/1.25
Therefore, the required expression would be
r = (10.55 - 6.20s)/1.25
Learn more : https://brainly.com/question/18581754
What is the sum?
5 +3 +4 =
Answer:
12
Step-by-step explanation:
5+4 is 9, and nine plus three is twelve
Answer:
12
Step-by-step explanation:
Simple meths
What is the side lengths in square feet
Step-by-step explanation:
Since each side of a square is the same, it can simply be the length of one side squared. If a square has one side of 4 inches, the area would be 4 inches times 4 inches, or 16 square inches.
NEED HELP ASAP!! WILL MARK BRAINLIEST IF ITS RIGHT!!
Answer:
A'(3,5), B'(6,10), C'(8,8)
Answer:
a'(3,5) b'(6,10) c'(8,8)
All u do is replace the x and y values with the points and just add by 1 and 3
Question 4
In the number shown, one digit is underlined and one digit is circled.
20,000
Which statement about the circled digit is true?
F
Its value is 10 times greater than the value of the underlined digit.
G
Its value is the underlined digit - 10.
H
Its value is 70 times the value of the underlined digit.
J
Its value is the underlined digit = 70.
Answer:
Therefore, the correct option is: Its value is 1/10 the value of the underlined digit.
Note: The question is incomplete. The complete question is given below:
2. In the number shown, one digit is underlined and one digit is circled. Which statement about the circled digit is true?
Its value is 10 times greater than the value of the underlined digit.
Its value is 1/10 the value of the underlined digit.
Its value is 70 times the value of the underlined digit.
Its value is 1/70 the value of the underlined digit.
See attachment below for the number
Step-by-step explanation:
This problem is about the place value of whole numbers.
Step 1: Determining the place value of the numbers
The place value is the value of each digit in a number, be it a whole number or a decimal number.
The number shown is seventy seven thousand (77,000)
The place value of the underlined 7 is 7 ten thousands = 7 * 10000 = 70000
The place value of the circled 7 is 7 thousands = 7 * 1000 = 7000
Step 2: Comparing the numbers
Comparing the circled number and the underlined number:
7000/70000 = 1/10
Therefore, the correct option is: Its value is 1/10 the value of the underlined digit.
What is a troll?
Quick I’m being timed
Answer:
a joke? someone who jokes around?
Find the area under the standard normal curve that lies outside the interval between following two values. Round the answers to at least four decimal places. (a)Find the area under the standard normal curve that lies outside the interval between -1.43 and 1.34.
Answer:
A = 0,16644
Step-by-step explanation:
The area (A₁) under the bell shape curve, from the left tail up to the point ( z score) 1,34 is:
For z (score ) = 1,34 A₁ = 0,9099
The area A₂ from the left tail up to z = -1,43 is
A₂ = 0,07634
Area A₂ is inside area A₁, the area A₃ inside the points - 1,43 and 1,34 is
A₃ = A₁ - A₂
A₃ = 0,9099 - 0,07634
A₃ = 0,83356
Finally area outside the interval - 1, 43 and 1,34 is A ( the area we were looking for) is
A = 1 - A₃
A = 1 - 0,83356
A = 0,16644
Solve the formula for R:
PV = nRT
Are these relations functions?
Answer:
Letter B is yes because if you use the vertical line test, never anytime the vertical line intersect the graph in more than one point.
A number is divisible by 10 if and only if it is divisible by 2
true or false? plz helppp
Answer:
false
Step-by-step explanation:
Daniels fish tank holds 24 liters of water he uses a 4 liter bucket to fill the tank how many buckets of water are needed to fill the tank
Answer:
6
Step-by-step explanation:
4 x 6 = 24 L
These shapes below are mathematically
Answer:
x=30
Step-by-step explanation:
they are conqruent,
the proportion is 2.5 as we can find that by 20/8
2.5 times 12 is 30
Choose the comparison statement that is correct
Answer:
what r the options........
What is 5.389 rounded to the nearest hundredth
Answer:
To round 5.389 to the nearest hundredth means to round the numbers so you only have two digits in the fractional part. We use the following rules to round 5.389 to the nearest hundredth: A) If the last digit in the fractional part of 5.389 is less than 5, then simply remove the last the digit of the fractional part.
Step-by-step explanation:
can y'all pleas help me with this
Answer:
B
Step-by-step explanation:
Siri said thats right
Answer:
-18
Step-by-step explanation:
the square root of 324 is 18, so you add the negative sign, and get your answer
pls help! i’ll mark brainlest :)
Answer:
3,1. .........................
Answer:
I believe it is (0,4) I'm not sure though
Step-by-step explanation:
Find the x- and y-intercepts of the graph of the equation.
f(x) = 4x – 12
x-intercept
(x, y) =
y-intercept
(x, y) =
Answer:
x intercept is (3, 0). y intercept is (0, -12).
Step-by-step explanation:
x intercept is when y = 0. [f(x) = y] So 0 = 4x - 12. Solving for x gives you a value of 3. [12 = 4x; divide by 4]
y intercept is when x = 0. So y = 4(0) - 12. Solving for y gives you a value of -12. [y= 0 - 12; y = -12]
Help PLSSSSSSSSSSSSSSSSS extra points
Answer:
85 messages
Step-by-step explanation:
The system of equations for this is
35 + .10x
18 + .3x
where x = the number of text messages
Usually, you would use substitution or elimination to solve this problem. However, because the answer choices were given, you can just plug in the values.
When you plug in 85, or x = 85, you get 43.5 for both equations because
35 + .10(85) = 43.5 18 + .3(85) = 43.5
Therefore, the answer would be 85 messages becuase both plans will cost the same when you send 85 text messages!
:)
50 apples cost $25. How much would 75 apples cost?
Answer:
37.50
Step-by-step explanation:
hope this helps!!
The quotient of a number and 2 increased by 8 is -15
what is the equivalent of 3-(-6)
Answer:
3-(-6) = 9
Step-by-step explanation:
3-(-6) simplifies to 3 + 6.
We would have to distribute the outside negative into the inside to get rid of the parenthesis. Then, we would add.
[tex]3-(-6)\\\\-1 * -6 = 6\\\\3-(-6)=\boxed{3+6}=9[/tex]
Hope this helps.
60=F(15)
Please solve this and show work, please
Answer:
f = 4
Step-by-step explanation:
60= 15f
divide both side by 15
f = 4
Please help I’m not sure if my answer is correct!!!
Answer:
i would say it is GOOD JOB
Step-by-step explanation: