I dont know what im doing
Answer:
I think its D
Step-by-step explanation:
7x8x9 would equally 504 and 9x8x7 would also equall 504.So therefore your answer if I'm not mistaken would be D.
Answer: The answer to your question is D.
Step-by-step explanation: A Commutative Property for Mutliplication order can change be the change will never affect the answer.
When using re-grouping to solve 21 x 43, what are the four products that would be calculated and then added?
800 + 3
80 + 40 + 60 + 3
800 + 40 + 60 + 3
800 + 40 + 6 + 3
Answer:
c
Step-by-step explanation:
21×43
=(20+1)×(40+3)
=800+40+60+3
An online media service offers video and music downloads. Each download of a song costs $1. Each download of a video costs 5 times as much as the song download. You have a credit of $70. How many songs can you purchase after buying 12 videos?
Answer:
You can purchase 10 songs after buying 12 videos.
Step-by-step explanation:
Step 1 - Find out how much downloading a video costs. If the cost of a video download is 5 times as much as a song download costs, and a song download is $1, then you'd have to multiply 5 x $1, which equals 5. So downloading a video costs $5.
Step 2 - Find how much it costs to buy 12 videos by multiplying the cost of 1 video to how many you bought, 12. We already found out 1 video costs $5, so that would 12 x $5, which equals $60. That means those 12 video downloads costed you $60 dollars.
Step 3 - Find out how many songs you can buy with your remaining credit. If you already payed $60 dollars worth of videos, then you only have $10 dollars left to spend because $70 - $60 is $10. So if every song costs $1 dollar, then you'd be able to purchase 10 more songs until you reach your credit, $70 dollars.
Please give me explanations too.
Answer:
uhh 7
Step-by-step explanation:
add
Find the volume of a scented candle that is in the shape of a cylinder with a diameter of 16 centimeters and a height of 20 centimeters. Round to the nearest tenth.
*there is no diagram*
Answer:
4021.2 cm³
Step-by-step explanation:
you start by getting the radius, the radius is half the diameter which in this case half of 16 is 8 so 8 is your radius and you already know the height which is 20, now that we have the radius and the height we can start
the formula for finding the volume of a cylinder is πr² · h
so are formula would be π8² · 20 which turns into π64 · 20 which then turns into 1280π or 4021.238...
which you then said we need to round the nearest tenth so 4021.238 to the nearest tenth is 4021.2 cm³
HELP ME WITH THIS PELASE! GET IT RIGHT GET IT BRAINLIEST!!!!
giving brainiest
Graph the line using Point-Slope Form.
Answer:
Step-by-step explanation:
y=m+b
Match the vocabulary term to it's definition.
Absolute value is the distance away from zero
number line is a line that continues on forever with numbers on it
coordinate is a point or location on the number line
integer is a number with no decimal
rational number is a number that can be made by an integer divided by an integer
opposites is two numbers that are the same distance away from 0
[[Please explain]] The length of a spring varies directly with the mass of an object that is attached to it. When a 30-gram object is attached, the spring stretches 9 centimeters. Which equation relates the mass of the object, m, and the length of the spring, s?
O s=3/10m
O s=10/3m
O s=3/10s
O s=1/30s
Answer:
The required equation is [tex]s =\frac{3}{10} m[/tex]
Step-by-step explanation:
Given: The length of a spring varies directly with the mass of an object that is attached to it. When a 30-gram object is attached, the spring stretches 9 centimeters.
To find : Which equation relates the mass of the object, m, and the length of the spring, s?
Solution :
Let the mass of the object m,
Length of the spring s,
When a 30-gram object is attached, the spring stretches 9 centimeters.
i.e, the times length of the object is attached to spring is The length of a spring varies directly with the mass of an object that is attached to it.
According to question,
i.e, length of the spring is 3 by 10 times the mass of the object.
Therefore, The required equation is
What is the slope of the line y=3/5x+7 ?
Answer:
The slope is 3/5
Step-by-step explanation:
This line is in slope-intercept form, meaning that the slope is the term that is multiplied by x.
how can you solve real-world problems involving integers?
Answer:
by figuring out what the x anD y values would be
Answer:
Step-by-step explanation:
if you find what real world problem is and how to do the involving integers?
Mary Lynne correctly evaluates the expression.
(14.91)(−1)
Which statements can Mary Lynne make?
Select all correct statements.
The first factor is 14.9.
The product is 14.9.
The first factor is −14.9
The product is −14.9.
Answer:
The First Factor is 14.91
The Product is -14.91
Step-by-step explanation:
When multiplying two numbers the two numbers being multiplied can SOMETIMES be called factors. This is not typically what factors are referring to.
When multiplying a negative number and a positive number the product is ALWAYS negative
Find the domain and range
Answer:To find the domain and range, we simply solve the equation y = f(x) to determine the values of the independent variable x and obtain the domain. To calculate the range of the function, we simply express x as x=g(y) and then find the domain of g(y).
Step-by-step explanation:sorry if i'm wrong
Help me and get brainliest!!!!
Answer:
tamara runs 5 miles each week : y=5x // proportional // graph starts at 0 and has constant incline of 5/1
Tamara runs 5 more mins more then she walks each day: y=+5 // graph starts at 5 // not proportional
Step-by-step explanation:
Show work please!
An auto insurance company pays 12%
commission to its agents for each new insurance policy they sell. How much commision does an agent make on a $1,000 policy?
Answer:
$120.00 commission
Step-by-step explanation:
1000 X 0.12 = 120
What is the ratio of drink mix to water?
Answer:
3:8
Explanation:
Answer:
3:8
Step-by-step explanation:
You just flip the numbers around because it just flipped the question.
what is 9038 x 8389
if u answer ill give u a crown thing
Answer:
75,819,782
Step-by-step explanation:
Answer:
75,819,782
Step-by-step explanation:
that's the answer
Write an equation for each line
a. The equation for line l is [A1].
b. The equation for line m is [A2].
c. The equation for line n is [A3].
d. The equation for line p is [A4].
Which equation has a solution of t = 14?
Use the given data to find the equation of the regression line. Round the final values to three significant digits, if necessary.
= 150.7 – 6.8x
= 140.4 – 6.2x
= –150.7 + 6.8x
= –140.4 + 6.2x
Answer: 150.7
Step-by-step explanation:
i did the math for it
An elevator ascends at a rate of 29.6 feet per second. If a building is 1,450 feet tall,
about how long would it take for the elevator to travel from the ground floor to the roof?
A. 0.49 minute
B. 0.82 minute
C. 4.9 minutes
D. 8.2 minutes
I need this by today
Answer:
x<=119
Step-by-step explanation:
If it's no greater that the mean is 120 seconds, then the sum of the seconds should be 600. 600-118-129-120-114=119
So x should be less or equal to 119.
PLEASE HELP ILL GIVE BRAINLY THIS IS TIMED!
Answer:
For the first one 6x+7=6x+7 there are infinte solutions while 3(2x+10)=6x−2
there are none
Step-by-step explanation:
Hope i helped ;)
Answer:
#1: infinite
#2: none
Step-by-step explanation:
What is 5x-y=1/4 in slope intercept form? PLEASE give me step by step explanation and why you did what. Thank you! ❤
Answer:
y=5x-1/4
Step-by-step explanation:
The slope-intercept form would be y=mx+b, where y would be on one side. In this case, we would have to move y to one side. You can add y on both sides to move it on the right. Then, you would subtract 1/4 on both sides to move it to the left so that y is on its own side. Then the equation would equal y=5x-1/4, where 5 = m and -1/4 = b.
Answer:
The calculation to your equation is:
Y=5x-1/4
Step-by-step explanation:
6∙4÷(2^3-6)
A.12
B.8
C.4
D.1
Answer:
3.2
Step-by-step explanation:
first expand the bracket, (2^3 -6 )= (2 x 2 x 2) - 6= 8 - 6 = 2
so, 6.4/2= 3.2
Solve 5-2x<7 SHOW YOUR WORK AND I WILL GIVE BRAINLIEST.. THANK YOU TO WHOEVER ANSWERS THIS AND HAVE A GREAT THANKSGIVING WEEK
Answer:
x > -1
Step-by-step explanation:
5-2x < 7
5 - 2x - 5 < 7 - 5
-2 x < 2
(-1) (-1)
2x > -2 (divide both sides by 2)
*answer*
Answer:
-1<x
Step-by-step explanation:
5-2x<7
Subtract 5 from both sides:
-2x<7-5
-2x<2
Divide by 2:
-x<1
Switch sides (add x, subtract 1):
-1<x
:)
Please help! NO LINKS! (Scientific Notation)
** Only answer if you actually know it, please
Can u solve this problem?
Answer:
$20
Step-by-step explanation:
Answer:
[tex]4[/tex] dollars
Step-by-step explanation:
Let's look for how much money they got back
Casey - 20 percent of [tex]40[/tex] is 8
[tex]40-8=32[/tex] dollars that Casey got back
Brayden - 30 percent of [tex]40[/tex] is 12
[tex]40-12=28[/tex] dollars that Brayden got back
Let's see how much more money Casey got back compared to Brayden[tex]32-28=4[/tex] dollars
Brainliest please :)
Veronica lives on a straight road that goes east and west. She starts from a point 5.1 miles west of her home and drives a certain distance to the store. The store is more than 3 1/2 miles east of her home. Let d represent the distance Veronica drove. Which inequality represents this situation?
Its C because 3 1/2 is grater than -5.1 because it is negative
The inequality is −5.1 + d > 3 1/2 which represents the situation, where d represents the distance Veronica drove.
What is inequality?Inequality is defined as mathematical statements that have a minimum of two terms containing variables or numbers that are not equal.
Veronica lives on a straight road that goes east and west.
Let d represents the distance Veronica drove.
She started from a point 5.1 miles west of her home and drives a certain distance to the store.
So, she drives:
−5.1 + d
The store is more than 4 1/2 miles east of her home.
Therefore, the inequality that represents the situation is as follows:
−5.1 + d > 3 1/2
Hence, the correct answer would be an option (C).
Learn more about the inequalities here:
brainly.com/question/20383699
#SPJ2
Kala invested $8000 in a fund for 6 years and was paid simple interest. The total interest that she received on the investment was $2400. As a percentage, what was the annual interest rate of her investment?
Answer:
33.3%
Step-by-step explanation:
8000 divided by 2400 is 3.33
3.33 x 10 is 33.3 to make it out of 100%
so she gets one third of her investment