If the population of an ant hill doubles every 10 days and there are currently 100 ants living in the ant hill, what will the ant hill population be in 20 days?
Answer:
400
Step-by-step explanation:
The current number is 100, it doubles every ten days, and you're asking what the size will be in twenty days.
Beginning:
100 ants (ten days pass)
100 x 2 = 200
Middle:
10 of the 20 days have passed
Your new number is 200 ants
End:
200 ants (ten days pass)
Since every ten days the size doubles: 200 x 2 = 400
400 ants after 20 days
A school assembly had 600 students in attendance, and 35% of them were first-graders. How many first-graders were at the assembly?
can u also list the formula on how to do this while ur at it pls and ty
Answer:
210 Were First Graders
Step-by-step explanation:
35 percent of 600 is the same as 35 per hundred of 600. We can therefore make the following equation:
35/100 = X/600
To solve the equation above for X, you first switch the sides to get the X on the left side, then you multiply each side by 600, and then finally divide the numerator by the denominator on the right side to get the answer. Here is the work to illustrate:
35/100 = X/600
X/600 = 35/100
X*600/600 = 35*600/100
X = 21000/100
X = 210
The work above shows the long way to explain how to calculate 35 percent of 600 in order to give you a foundation and better understanding of how to calculate percentage. In the future, you could use this simplified formula:
(Y * P)/100
In our problem "What is 35 percent of 600?", Y is 600 and P is 35:
(600 * 35)/100 = 210
And once again you see that the answer is 210.
Answer:
210 kids
Step-by-step explanation:
So the formula is basically part over whole is equal to x/100%
So for here it would be x/600 = 35/100
Solve that and you will get 210
HELP ME PLEASEEEEEEEAAAA THANKKKK UUUUUUUUUUU<3333
What is the ratio of boys to girls on the street. Write the ratio in lowest terms.
The most common way to write a ratio is as a fraction, 3/6. We could also write it using the word "to," as "3 to 6." Finally, we could write this ratio using a colon between the two numbers, 3:6.
7 increased by a number w
An expression is
(4 x 5) ( 4 x 9)
i need help
Answer:
(20) (36) this is your answer bro
What is the ratio of the area of the triangle to the area of the rectangle?
A. 2
B. 1
C. 1/2
D. 2/1
You have the cards numbered 1-10 in front of you.Each time you select a card,it is returned.What is the probability of selecting a 3 and then an even number
Answer:
[tex]Both \: the \: moon \: and \: earth \: are \: in \: \\ the \: shape \: of \: spheres. \\ Surface\: area \: of \: a \: sphere \: of \: radius \: 'r' \\ [/tex]
Let d1 be the diameter of the moon and d2 and be the diameter of the earth.Let r1 be the radius of the moon and r2 be the radius of the earth.
[tex]given \: d1 = \frac{1}{4}d2 \\ = > 2r1 = \frac{1}{4} ×2r2 \\ =>r1 = \frac{1}{4}×r2 \\ Now, \: ratio \: of \: \: their \: surface \: areas \: is: \\ = s1: s2 \\ = r {1}^{2}: r {2}^{2} \\ = {1}^{2 } : {4}^{2 } \\ =1:16[/tex]
hope it helps you
Which equation best represents the line?
y = 3/4x + 4
y = 4/3x + 4
y = 4x + 3/4
y = 4x + 4/3
Help ..
Sandy works at a clothing store. She makes $8 per hour plus earns 10% commission on her sales. She worked 70 hours over the last two weeks and had a total of $1,612 in sales before taxes.
Which of the following is closest to how much she will earn in hourly wages and commission for those two weeks?
A.
$721
B.
$560
C.
$161
D.
$217
Answer:
A
Step-by-step explanation:
First, I'm going to work out the hourly wages for the 2 weeks.
$8 x 70hours = $560
(8 x 7 = 56 x 10 = 560)
Next, work out the commision.
10% of $1612
1612 ÷ 10 = 161.2
Finally, add together both the hourly wages and commision.
161.2 + 560 = 721.2
Round it down to a whole number.
721 , Add on the dollar sign.
It's answer A, $721.
You mix 23.385 grams of sugar and 12.873 grams of baking soda in a glass container for an experiment. You place the container on a scale to find that the total mass is 104.2 grams. What is the mass of the container
The mass of the container is 67.942 grams.
What is an expression?Expression in maths is defined as the collection of numbers variables and functions by using signs like addition, subtraction, multiplication, and division.
Numbers (constants), variables, operations, functions, brackets, punctuation, and grouping can all be represented by mathematical symbols, which can also be used to indicate the logical syntax's order of operations and other features.
Given that amount of sugar is 23.385 grams, the amount of soda is 12.873 and the total mass is 104.2 grams.
The weight of the container will be calculated as below:-
Total weight of sugar and sods = 23.385+12.873=36.258
Weight of container = 104.2-36.258=67.942
Weight of container = 67.942 grams
Therefore, the mass of the container is 67.942 grams.
To know more about an expression follow
https://brainly.com/question/2164351
#SPJ2
What is the perimeter of a square with a side length of 14 m?
A. 46 m
B. 56 m
C. 70m
D. 196 m
Answer:
56m..................
What is the standard form for the speed of light
299 792 458
Answer:
Here U Go
Step-by-step explanation:
Its exact value is defined as 299792458 meters per second (approximately 300000 km/s, or 186000 mi/s).
Hope it help
plz mark me as brainlist
Cheryl writes 7 fewer posts than Kevin on a social media site.
If k represents kevin how would you write the expression
If the distance between the wall and the bottom of the plywood was three feet, what was the distance between the floor and the top of the plywood?
What is 16−−√?
Answer: 4
Step-by-step explanation:
The square root of 16 is 4 , because 4 squared is 16.
Answer:
4
Step-by-step explanation:
*Brainly Deleted this Answer* Why?
A diver descends to a depth of –25.6 feet relative to sea level. How many feet must the diver ascend to reach sea level?
0.6 feet
25 feet
25.6 feet
256 feet
I need help with this question
Answer:
c
Step-by-step explanation:
plz helppppp :)
5(x−3 3/4)=7 1/2
the answer is 10x
Solve for
x
by simplifying both sides of the equation, then isolating the variable.
x
=
10
Answer:
x = 5[tex]\frac{1}{4}[/tex]
Step-by-step explanation:
5(x - 3[tex]\frac{3}{4}[/tex] ) = 7[tex]\frac{1}{2}[/tex]
Use distributive property
5x - 18[tex]\frac{3}{4}[/tex] = 7[tex]\frac{1}{2}[/tex]
Add 18[tex]\frac{3}{4}[/tex] to both sides
5x = 26[tex]\frac{1}{4}[/tex]
Divide both sides by 5
x = 5[tex]\frac{1}{4}[/tex]
What is the value of this expression
8 + 6x (10 - 4) +2
Answer:
[tex]8+6x(10-4)+2\\= 10 - 4\\= 6 + 2\\= 8 * (8 + 6x)\\ = 8 + 6x\\= 14x * 6\\= 84x\\[/tex]
Step-by-step explanation:
hope this helps.
Terry's father is 76 inches tall. Terry's height is 75% of that height of his father. How tall is Terry?
Answer: Terry is 57 inches tall
Step-by-step explanation:
First, find the percentage . . . what is 75% of 76 ? 57
Courtney has $21.50 to buy a gift for her brother. She found a stuffed animal that costs $19.65. With 10.1% sales tax added on, what is the sales tax? What is the total cost of the stuffed animal with tax included? Will Courtney have enough money to buy the gift?
The sales tax is: $_________
The total cost is: $_________
Is it enough money?
Answer:
11.95
Step-by-step explanation:
21.50-19.65+ 10.1 = 11.95
What is the y-intercept of the line shown? (4 points)
a. 0
b. 1
c. 3
d. 3.5
-3y-7x
When x=6, y=3
Find the sale price with percent markdown
A store advertises a 35% markdown on the PlayStation 5 gaming console. It normally sells for $1,019. How much would you save on the console? And what is the final sale price?
Find the total cost with sale tax.
Show all your steps ( Works)
Holly has $15 to buy a gift for her brother. She found a stuffed animal that cost $12.50. With 10.1% sales tax added on, what is the sale tax? What is the total cost of the stuffed animal with tax included?
The area of a square root is 2.25m2. what is the length of each side of the square?
Show work pls, thank you.
Answer:
1.5 m
Step-by-step explanation:
Area = length * width
or we can say
Area = side1*side2
since they are the same we can say
Area = side * side
which also means area = side^2
so we have the area and we want the side, we need the inverse operation for squaring something. the inverse of squaring something is square rooting
so
sqrt(Area) = side
so
side = sqrt(2.25)
= 1.5 m
I feel like i made a short story long but i hope it helped =)
Pls help with at least one and explain how u solved it so I can do the rest myself
Answer:
14. decrease
15. divide 59.95 by 40
16. increase
You buy 3.18 pounds of apples, 1.25 pounds of pears, and 2.67 pounds of oranges. What is your total bill rounded to the nearest cent?
Answer:
318125267
Step-by-step explanation:
-_-...............that is the answer
3.17 pounds of apples
1.25 pounds of pears2
2.56 pounds of oranges
add = 7.98
rounded = 7.42, (or anything close. I am really bad at rounding decimals)
If you drew a line segment from the point when Kiley’s plane took off to the point when she got off the plane, at which point would the line segment end?
Answer:
The line segment would end when Kiley got off the plane.
Step-by-step explanation:
Pretty simple unless i'm missing something.
There are 32 more pupils in the Robotics Club than in the Art Club. The number of pupils in the Robotics Club is 18 less than 3 times the number of pupils in the Art Club. How many pupils are there in the Robotics Club?
A phone company advertises a new plan in which the customer pays a fixed amount of $ 25 per month for unlimited calls in the country and $ 0.10 per minute for international calls . If a customer paid 120 dollars , how many international minutes did they use ?
Answer: The answer would be 950 international minutes. Only if assuming that this is in one month since the question doesn't give much detail.
Step-by-step explanation:
X would be used to represent the number of months.
25+0.10x=120
0.10x=95
950 international minutes used
Answer:
950
Step-by-step explanation:
An equation to model this scenario would be: y = 0.1x + 25
y would mean the amount of money paid depending on x, which is the number of minutes.
In this problem, we know the amount of money. So we know y is 120.
We can then put 120 into the equation to find x.
120 = 0.1x +25
95 = 0.1x
x = 950
Therefore, x is 950.