Answer:
593
Step-by-step explanation:
[tex]490(2)^8^/^2^9 = 593.25[/tex]
593.25 ≈ 593
The number of bacteria after 8 hours is 593.
What is a word problem?A word problem is a verbal description of a problem situation. It consists of few sentences describing a 'real-life' scenario where a problem needs to be solved by way of a mathematical calculation.
For the given situation,
Number of bacteria placed in petri dish = 490
Time required for bacteria to double = 29 hours
Number of bacteria after 8 hours is
⇒ [tex]490(2)^{\frac{8}{29} }[/tex]
⇒ [tex]490(2)^{0.2758}[/tex]
⇒ [tex]490(1.2107)[/tex]
⇒ [tex]593.25149[/tex]
⇒ [tex]593[/tex]
Hence we can conclude that the number of bacteria after 8 hours is 593.
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Is (a + b) and (a - b)? perfect square trinomials?
O True
O False
Answer:
False
Step-by-step explanation:
Pos and negs cannot be perfect square trinomials
Caylee buys an item that is $15.00, and uses a 10% off coupon. How much does she save by using the coupon? *
Answer:
Caylee saved $1.5 by using the coupon.
Step-by-step explanation:
In order to find the amount that Caylee saved by using the coupon, you have to calculate 10% that is the discount percentage of the price of the item which is $15:
$15*10%=$1.5
According to this, the answer is that Caylee saved $1.5 by using the coupon.
from the top of the tower the angle of depression of a bottom of a pillar on the same surface of height is 20 metre is 60 degree. if the angle of depression from the top of the pillar to the bottom of a tower is 22 degree. find the height of the tower.
Answer:
85.74 m.
Step-by-step explanation:
tan 22 = 20/x where x is the distance between the tower and the pillar.
x = 20 tan 22 = 49.50.
tan 60 = h/49.50 where h is height of the tower
h = 49.5 tan 60
= 85.74 m.
A private club was reduced by 36 members in 4 weeks. Its size changed by the same number of members each week. What was the change in the club’s size each week?
Answer:
9 members per week
Step-by-step explanation:
If 36 people overall left over 4 weeks, you can do
36/4=9
cosec 45^0
= ______ .
Answer:
cosec45° = [tex]\sqrt{2}[/tex]
Step-by-step explanation:
Using the identity
cosec x = [tex]\frac{1}{sinx}[/tex] and the exact value
sin45° = [tex]\frac{1}{\sqrt{2} }[/tex]
Then
cosec45° = [tex]\frac{1}{\frac{1}{\sqrt{2} } }[/tex] = [tex]\sqrt{2}[/tex]
for f(x) = 5x - 7 and f(x) = -3, what is the value of x
Answer:
Step-by-step explanation:
hello :
f(x) = 5x - 7 and f(x) = -3
5x - 7 = -3
5x=7-3
5x=4
x=4/5
Answer:
x = 4/5
Step-by-step explanation:
5x - 7 = -3
5x = -3 + 7
5x = 4
x = 4/5
Check:
5*4/5 - 7 = -3
4 - 7 = -3
i don’t understand how to answer this :)
Answer:
120°
Step-by-step explanation:
Answer:
I think it's a clockwise rotational symmetry from the centre of the circle.
if m<AFC= 150°, what is m<CFD
Answer:
30
Step-by-step explanation:
These are djacent angles ( two angles that have the same vertex, share a side, and do not overlap) The 2 angles form a linear pair The measure of a straight angle is 180 degrees, so a linear pair of angles must add up to 180 degrees.
If one angle is 150 then the other angle must be 30
150+30 = 180
whats the equation for the table
Answer:
y= 32x
Step-by-step explanation:
Use slope formula
192-128/6-4= 64/2
M=32x
Find y-intercept (if any)
128=32(4)+b
128=128+b
B=0
find the distance between the two points in simplest radical form (6,-2) and (-1,4)
Answer:
13
Step-by-step explanation:
If you were to plug the points into a graph you would have to go down 6 over 7 making it 13
find the mode for data set 3, 2, 8, 5, 1, 4, 4, 3, 4, 5,
Answer:
Mode is 4
Step-by-step explanation:
trigonometry please help! work need to be shown please
Answer:
x = 9.83
Step-by-step explanation:
Reference angle = 55°
Opposite = x
Hypotenuse = 12
Apply trigonometric function SOH:
Sin 55 = Opp/Hyp
Sin 55 = x/12
12 × Sin 55 = x
9.82982453 = x
x = 9.83 (nearest hundredth)
A bouncy ball is dropped such that the height of its first bounce is 7 feet and each successive bounce is 67% of the previous bounce's height. What would be the height of the 8th bounce of the ball? Round to the nearest tenth (if necessary).
Answer:
4.79
Hope this helps! :D
Answer: 0.2
Step-by-step explanation:
A bag contains different color marbles, 4 blue marbles, 7 yellow marbles, 5 red marbles, and 2 green marbles.
Frank draws one marble, 36 times, replacing the marble each time. Use theoretical probability to predict how many times Frank will draw a green marble.
Frank will draw a green marble ___ times.
Answer:
2/36
Step-by-step explanation:
Can someone please help me?
Answer:
Solution given:
1.KU =UE Def.of midpoint
2.LU=UT Def.of midpoint
3.<KUL=<TUE Vertically opposite angle
4.∆KLU=∆ETU. S.S.A. axiom
Step-by-step explanation:
It will help you !!!!!!!!!!!///
-23 - x - x + 16 - 2
Answer:
-2x - 9
Step-by-step explanation:
Answer:
−2x−9
I hope this helps
The rabbit population in Jefferson County, which is currently at 8,400 rabbits, is increasing by 5% each year. How many rabbits will there be in 7 years?
Answer:
11,340
Step-by-step explanation:
5% = 420 420 x 7 = 2940
2940 + 8400 = 11,340
GIVING BRAINLIST!!!
Danielle borrows $2.500 from the bank at 6%
simple interest for 5 years. How much is
Danielle going to pay in interest?
6. (Show work there)
all
Answer:
150
2.500/6%
not 100% sure tho
Answer: 1 = 2,500 x 0.06 x 5
What’s is 3+4+8+9+2+5+6+7=
Answer:
44
Step-by-step explanation:
I just used mental math soooo.......
have a great day luvs <3
Answer:
44
Step-by-step explanation:
3+4+8+9+2+5+6+7=
7+8+9+2+5+6+7=
15+9+2+5+6+7=
24+2+5+6+7=
26+5+6+7=
31+6+7=
37+7= 44
44 = 44
156 people said they spent the night in Wal-Mart the night before Black Friday to get the good deals! This number represented 39% of the total number of shoppers at Wal-Mart. How many shoppers were at Wal-Mart?
Answer: 400 Shoppers
Step-by-step explanation:
Given
156 people spent the night in Wal-mart
These 156 people represent 39% of total shoppers at Wal-mart
Suppose x is the total no of shoppers at Wal-mart
So, we can write
[tex]\Rightarrow 39\%\ \text{of}\ x=156\\\Rightarrow 0.39\times x=156\\\\\Rightarrow x=\dfrac{156}{0.39}=400\ \text{People}[/tex]
Solve for ppp. -5\left(p+\dfrac35\right) = -4−5(p+ 5 3 )=−4minus, 5, left parenthesis, p, plus, start fraction, 3, divided by, 5, end fraction, right parenthesis, equals, minus, 4
Answer:
p = 1
Step-by-step explanation:
4 - 5(p + 3/5) = -4
Find P
4 - 5(p + 3/5) = -4
4 - 5p -15/5 = -4
4 - 5p - 3 = -4
-5p + 1 = -4
-5p = -4 - 1
-5p = -5
p = -5/-5
p = 1
Check:
4 - 5(p + 3/5) = -4
4 - 5(1 + 3/5) = -4
4 - 5 - 15/5 = -4
4 - 5 - 3 = -4
4 - 8 = -4
-4 = -4
Answer:
ITS HELLA 1/5 NOT 1
Step-by-step explanation:
>:(
Joanne paid $28,000 for her new car. In addition, she paid $1,400 in taxes. What was the tax rate Joanne paid on her new car
Answer:
5%
Step-by-step explanation:
1400/28000=0.05
Test
5%*$28,000=$1400
8-1 and 1/2 show your work
Answer:
The answer is 6.5
Step-by-step explanation:
Mrs. Parker takes 12 minutes to bake 4 tortillas. At this same rate, Mrs. Parker will take minutes to bake 24 tortillas.
Answer:
72 mins
Step-by-step explanation:
12/4=3 tortillas per min
3 x 24 = 72 min to bake 24 tortillas
Hope this helps :D
Evaluate the following expression when x = -2 y = 3 z = - 4
Answer:
x=-4
y= 2
z= -4/3
Step-by-step explanation:
x= -4 (directly)
-2y = -4
or, y = -4/-2
y =2
3z= -4
z= -4/3
help me please ! in going to fail
Answer:
can't see the question properly
Answer:
I think the answer is A bc x is slope and y is y intercept
Cho has sold 28 bags and his goal is to sell 100 bags write an inequality to show how many more bags he needs to sell
Answer:
x ≤ 72
He needs to sell 72 more bags.
Step-by-step explanation:
Cho has sold 28 bags and his goal is to sell 100 bags write an inequality to show how many more bags he needs to sell
Let x represent the number of bags he needs to sell
28 + x ≤ 100
x ≤ 100 - 28
x ≤ 72
Therefore he needs to sell 72 more bags.
Ayesha, Laurel, Gemma, Reid, Emma, Gita, and Maas write their names on small pieces of paper and put them into a hat. A name is pulled from the hat without looking. Use a fraction to describe the theoretical probability of each event. Then order the events from most likely to least likely. The name drawn starts with a "G." The name drawn does not start with a vowel. The name drawn ends with an "a." The name drawn contains an "e." The name drawn contains a "z."
Answer:
Emma and Maas and other people
Help me I’m lost I’ve been stuck on this the pas 20 min anyone help
Answer:
I'm sorry but I can't see it lol.. maybe try taking a clear pic ya know.
If f(x) = 3LX-2], what is f(5.9)? 9 10 11 12
Answer: 12
Step-by-step explanation:
We know that , the ceiling function y = [x] is also known as the least integer function that gives the smallest integer greater than or equal to x.
For example : For x= 1.5
y = [1.5] =2
For x= 3.64
y = ⌊3.64⌋=4
The given function :
Then, for x= 5.9 , we have
[since [3.9]=4 (least integer function)]
Therefore, the value of f(5.9) is 12
The value of the function f(5.9) will be 12. The correct option is D.
What is a function?In mathematics, a function is a rule that assigns a unique output value to each input value in a specified domain. A function is often denoted by a letter such as f, and we write f(x) to represent the output value associated with an input value x.
We know that the ceiling function y = [x] is also known as the least integer function that gives the smallest integer greater than or equal to x.
For example: For x= 1.5
y = [1.5] =2
For x= 3.64
y = ⌊3.64⌋=4
The given function :
Then, for x= 5.9, we have
F[3.9]=4 (least integer function)]
Therefore, the value of f(5.9) is 12.
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