Answer:
40 minutes
Step-by-step explanation:
Last year she ran five miles in 50 minutes
This year her timing improved by 20%. This means she runs 5 miles in 20% less time than last year
How long does it take her to run five miles?
= 50 minutes - 20% of 50 minutes
= 50 minutes - 20/100 * 50 minutes
= 50 minutes - 0.2 * 50 minutes
= 50 minutes - 10 minutes
= 40 minutes
This year, it takes her 40 minutes to run 5 miles
What is the equivalent expression to t+4+3-5t
Answer:
-4t + 7
Step-by-step explanation:
t + 4 + 3 - 5t = -4t + 7
Combine like terms
5 star, thank, and brainliest if helpful!
Assume that y varies directly with x. If y = 16 when x = 8, find y when x = 5.
Write and solve a direct variation equation to find the answer.
y =
Answer:
Step-by-step explanation:
5y + x = 25
Subtract x from both sides when x = 5
5y + x - x = 25 - x
5y = 20
5y/5 = 20/5
=4
Y=4
Find the measures of the interior angles of the triangle.
Answer:
A=45
B=110
Step-by-step explanation:
Interior angles of a triangle add up to 180.
So, do 180-25=155.
Then, 155-65=90.
90 divided by 2 is 45.
x=45 so B is 45+65, which is 110.
write an equation in slope- intercept form (y=mx+b) slope: -1 y-intercept:0
Answer:
y=0x-1
Step-by-step explanation:
mx is our slope, while our b is always going to be our y intercepts
A system of equations is graphed on the set of axes below. у The solution of this system is 10.4) 0 12.4) 18.00
Answer:8
Step-by-step explanation:
Samantha watched 5 seasons of her fAvorite show over winter break each season contained 18 episodes how many total episodes did Samantha watch of her favorite show
Answer: 90 episodes
Step-by-step explanation:
Each season of Samantha's favorite show has 18 episodes.
Samantha watched 5 seasons of this show.
The total number of episodes she watched is therefore the amount of episodes per season times the number of seasons she watched:
= 18 * 5
= 90 episodes
PLEASE HELP! BRAINLIEST to correct answer!! Ignore the answer I already chose, I don’t know if it’s right or wrong.
Answer:
fourth option is correct
Step-by-step explanation:
If f(x) and g(x) are inverses of each other, then
f(g(x)) = g(f(x)) = x ← option 4
Which decimal is equivalent to 26/80
Answer: 0.325
calculator :)
Answer:
.325
Step-by-step explanation:
All you have to do is divide 26 into 80 and you get .325!
I hope this helps and have a great day!
The numbber 14 is less than the number of hours nathans volleyball team trains in a week which of the follwoing inequalities represents the number of hours that the volleyball team trains in a week
Answer:
x > 14
Step-by-step explanation:
Let the number of hours nathans volleyball team trains in a week be x
If the number 14 is less than the number of hours nathans volleyball team trains in a week, this is expressed as;
14 < x
Rearranging the inequality expression will reverse the inequality sign as shown;
x > 14
Hence the inequalities that represents the number of hours that the volleyball team trains in a week is x > 14
in 4,891.26 in which place is the 8
Answer: I hope this will help too.
Its in the place of hundredPLEASE HELPPPPP WILL MARK BRAINLIEST
Suppose y varies directly as x. If x = 27 when y = 6, find x when y = 2.
Answer:
x=5
Step-by-step explanation:
Answer:
x=9
Step-by-step explanation:
If x varies directly with y, a ratio can be used to find the new x value. The ratio will look like this [tex]\frac{27}{6}=\frac{x}{2}[/tex]. In order to solve this ratio, cross multiply to get 6x=54. Now, this can be solved by dividing both sides of the equation by 6 in order to get the answer that x=9
What is the cube root of 27?
Answer:
3
Step-by-step explanation:
3 cubed is 27.
you use 4 gallons of water on 30 plants in your garden. At the rate,how much water will it take to water 45 plants
Answer:4 gallons of water ... 30 plants
x gallons of water = ? ... 45 plants
If you would like to know how much water will it take to water 45 plants, you can calculate this using the following steps:
4 * 45 = x * 30
180 = 30 * x /30
x = 180 / 30
x = 6 gallons of water
Result: You will use 6 gallons of water to water 45 plants.
Step-by-step explanation:
2h divided by15 = 20
Answer:
[tex]h=150[/tex]
Step-by-step explanation:
[tex]\frac{2h}{15}=20[/tex]
[tex]\frac{2h}{15}*15=20*15[/tex]
[tex]2h = 300[/tex]
[tex]\frac{2h}{2}=\frac{300}{2}[/tex]
[tex]h=150[/tex]
18 of 72 candies in a bag are chocolates. What percent of the candies are chocolates?
Answer:
25%
Step-by-step explanation:
Divide eighteen by seventy two on a calculator, put a percent sign and then click the equal button
Answer:
25%
Step-by-step explanation:
To solve this problem, a proportion would be the easiest way to find a solution. First, set up one side of your proportion with the two numbers given: 18 and 72. These will be written in a fraction format, which will look like this:
[tex]\frac{18p}{72w}[/tex] (with p representing part and w representing the whole)
Next, set up the right side of your proportion. We know that percents will always be out of 100%, so this number will be our whole. Since we are looking for the percent out of 100-- the part --we will need to use x to represent this value. The proportion should now look like this:
[tex]\frac{18p}{72w} = \frac{x}{100w}[/tex]
To solve, just cross multiply and divide! First, multiply the 18 by the 100, giving you 1,800. Next, divide the 1,800 by 72, giving you a final answer of 25%! 25% of the candies are chocolate. Please let me know if you have any questions! :)
The model represents and equation. What is the solution for this equation? Also please explain how to do this
Answer:
3x+6=9
Step-by-step explanation:
there is three 3 boxes so i guess it means three
and there are 6 ones so im pretty sure its 6
and on the other side is 9 ones so it's nine? try it
Which is the equation of an ellipse with directrices at y = ±2 and foci at (0, 1) and (0, −1)?
x squared over 4 plus y squared over 1 equals 1
x squared over 1 plus y squared over 2 equals 1
x squared over 1 minus y squared over 4 equals 1
x squared over 1 minus y squared over 2 equals 1
Answer:
x squared over 1 minus y squared over 4 equals 1
Step-by-step explanation:
Help me graph pleaseee
Go by to the 3 on the x line then go up by 4 there's your answer
You should get (3,4)
Graph 3 first
A flower shop ordered a shipment of red, blue, and white flowers. The ratio of red: blue: white flowers in the shipment is 3: 1: 2.There are 60 white flowers in the shipment. How many flowers are in the shipment.
A.120 flowers
B.180 flowers
C.240 flowers
D..360 flowers
Answer: A
Step-by-step explanation: this is to easy
The total number of flowers in shipment is 180.
What is ratio?Ratio basically compares quantities, that means it shows the value of one quantity with respect to the other quantity.
If a and b are two values, their ratio will be a:b,
The ratio of flowers,
red: blue: white = 3:1:2
Let red flowers are 3x,
Red flowers are x,
and white flower are 2x.
Therefore, total number of flowers = 3x+x+2x = 6x
Given that,
The total number of white flowers = 60
⇒2x = 60
x = 30
Total number of flowers = 6x = 6×30 = 180
There are 180 flowers in the shipment.
To learn more about Ratio on :
https://brainly.com/question/13419413
#SPJ2
At a book fair, Scott bought a $4 tote bag and some books for $2 each. If he writes a linear function relating the number of books that he
bought to the total amount that he spent, which will represent the rate of change in the equation?
Select one:
the cost for one book
the total amount spent
the number of books bought
the cost of all the books bought
Answer: The total amount spent!
Step-by-step explanation:
So if you wanted to know how much he spent on books then you already Know the tote bag cost 4$ Then the books he bought cost 2$ each so that is why you need to know the total amount spent!
Round 6.443 to the nearest hundredth.
Answer:
6.44
Step-by-step explanation:
Since, there is a 4 in the hundredths and in the thousandths place there is a 3, then the answer should round off to 6.44 because you only round the 4 up to a 5 if the number in the thousandths place is 5 or greater.
Hope this helps!
if you get it right ill give you brainlist
Answer:
non living are computer baseball phone bear living are tree human fern and bacteria the rest i.d.k
Step-by-step explanation:
Answer:
Living: Penguin, Bear, Human, Bacteria, Tree
Nonliving: Baseball,Phone,Aluminium Can, computer
Unicellular: Euglena, Amoeba, Bacteria
Multicellular: Fern, Human, Bear, Tree, Penguin
Megan purchased a new gadget for her technology hobby. She plans to sell it sometime in the future; however, its value depreciates monthly. The expression shows the depreciated sales value of the gadget:
2,020 − 22m
What does the second term of the expression represent?
The number of months Megan will wait to sell the gadget
The original value of the gadget
The monthly depreciation value of the gadget
The total depreciation value of the gadget
please explain for brainliest
Answer:
"The number of months Megan will wait to sell the gadget."
Step-by-step explanation:
It says in the original question, "She plans to sell it sometime in the future, however, its value depreciates monthly."
This means that the value depends on the number of month she holds on to it. Hence, the variable with which the value is attached, is the number of months.
So in the equation , represents the number of months Megan holds on to the gadget.
Answer:
The monthly depreciation value of the gadget
Step-by-step explanation:
i did the test and this is the right answer c. not A
if you do not know please do not answer. you are going to set me up for failure if you do.
please help
Simplify 4 square root of 2 end root plus 7 square root of 2 end root minus 3 square root of 2 . (1 point)
2 square root of 8
8 square root of 2
8 square root of 6
6 square root of 8
Answer: 8√2
explaination: all have a √2 so just do 4+7-3=8 so the answer is 8√2.
help me plzzzzzzzzzzzzzzzzzz
Answer:
Regular
Step-by-step explanation:
If all of the sides are the same on any shape is regular.
Tom can place 12 eggs per crate.How many eggs must be in 1 crate?
There are 8 rooms in a house.Each room has 1 bed.How many beds are there in total?
In an country,each state has 1 minister.How many Minister are there,if there are 20 states in that country?
Sam works in a coffee and earn $20 per hour.how he earns in a particular day when he works for 1 hours only?
complete it (picture)
1. If he can place 12 eggs in each crate then are 12 eggs in one crate. (12 x 1 = 12)
2. If there are 8 rooms in a house, each with one bed then there are 8 beds in total. (8 x 1 = 8)
3. There are 20 ministers. ( 20 x 1 = 20)
4. If Sam earns $20 per hour, and he works one hour he will earn $20. (20 x 1 = 20)
Question Progress
24 Marks
If x = 2 and y = 5, work out the value of
a) 10x - 3y
b) 3x^2 + 2y^2
hint:A is 5 but I can't work out B
Answer:
b=62
Step-by-step explanation:
3(2)^2+2(5)^2
3*4+2*25
12+50=62
What type of line is y = x?
Answer:
A slanted line slanting right on the graph
Step-by-step explanation:
It’s c
F(x)=-2x+2 find f(6)
Answer:
(6,-10)
Step-by-step explanation:
(-2*6)+2=-10, and the 6 is the X value, the -10 is the Y value.
Answer:
f(6) = -10
Step-by-step explanation:
Plug in 6 for x in the given equation:
f(x) = -2x + 2
f(6) = -2(6) + 2
Remember to follow PEMDAS. PEMDAS is the order of operation, and stands for:
Parenthesis
Exponents (& Roots)
Multiplication
Division
Addition
Subtraction
~
First, multiply. Note that when you are multiplying one negative number and one positive number together, your answer will be negative:
f(6) = -2(6) + 2
f(6) = (-2 * 6) + 2
f(6) = (-12) + 2
Next, simplify. Subtract:
f(6) = -12 + 2
f(6) = -10
-10 is your answer when f(6).
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