Answer:
Step-by-step explanation:
Math is in our everyday lives. We calculate and use math in our daily lives without knowing it. By learning math, we build on useful knowledge that will help us have a better future. For example, learning how to pay taxes acquire math. Grocery shopping needs you to find the cost of the product you’re buying. When we learn math, we gain knowledge and we can pass that knowledge to our future generations so more and more people can use it to find better jobs, make your life easier, and so much more. Therefore, that is why it is important for students to learn about math.
Help please!!!! Ahahha help me
This is so important please help
Given:
The center of the circle = (-1,0)
Point on the circle = (2,-4).
To find:
The equation of the circle.
Solution:
Distance between two points is
[tex]d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}[/tex]
Distance between the center (-1,0) and the point on the circle (2,-4) is the radius of the circle.
[tex]r=\sqrt{(2-(-1))^2+(-4-0)^2}[/tex]
[tex]r=\sqrt{(2+1)^2+(-4)^2}[/tex]
[tex]r=\sqrt{(3)^2+(-4)^2}[/tex]
On further simplification, we get
[tex]r=\sqrt{9+16}[/tex]
[tex]r=\sqrt{25}[/tex]
[tex]r=5[/tex]
Now, the equation of the circle is
[tex](x-h)^2+(y-k)^2=r^2[/tex]
Where, (h,k) is the center and r is the radius of the circle.
The radius of the circle is 5 and the center is at (-1,0), so the equation of the circle is
[tex](x-(-1))^2+(y-0)^2=5^2[/tex]
[tex](x+1)^2+y^2=25[/tex]
Therefore, the first option is correct, i.e., [tex](x+1)^2+y^2=25[/tex].
Need the correct answer please asap
Answer:
B. 288 In
Step-by-step explanation:
Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :
x*(x-2)-(288)=0
x • (x - 2) - 288 = 0
Find two factors of -288 whose sum equals the coefficient of the middle term, which is -2 .
-288 + 1 = -287
-144 + 2 = -142
-96 + 3 = -93
-72 + 4 = -68
-48 + 6 = -42
-36 + 8 = -28
-32 + 9 = -23
-24 + 12 = -12
-18 + 16 = -2 That's it
Answer: 288
9 times 10 to the power of 7 is how many times as large as 3 times 10 to the power of 3
Answer:
30000
Step-by-step explanation:
9×10=90
90 power 7=90[10000000]
3×10=30
30 power 3=30[1000]
900000000÷30000=30000
Write an exponential function in the form y=ab^x that goes through points (0,6) and (5, 6144)
Given:
An exponential function goes through points (0,6) and (5, 6144).
To find:
The exponential function.
Solution:
The general form of an exponential function is
[tex]y=ab^x[/tex] ...(i)
It goes through points (0,6) and (5, 6144). It means the equation must be satisfied by these two points.
Putting x=0 and y=6, we get
[tex]6=ab^0[/tex]
[tex]6=a[/tex]
Putting a=6, x=5 and y=6144, we get
[tex]6144=6b^5[/tex]
[tex]\dfrac{6144}{6}=b^5[/tex]
[tex]1024=b^5[/tex]
Taking 5th root on both sides, we get
[tex]\sqrt[5]{1024}=b[/tex]
[tex]4=b[/tex]
Putting a=6 and b=4, we get
[tex]y=6(4)^x[/tex]
Therefore, the required exponential function is [tex]y=6(4)^x[/tex].
Joy drinks 4.5 bottles of water per day.
Each bottle contains 16.5 fluid ounces.
How many fluid ounces of water does
she drink per day?
A 20.10 fluid ounces
B 64.00 fluid ounces
C 74.25 fluid ounces
D 82.50 fluid ounces
This is math and science.
What is the solution of the system of equations shown in the graph below?
A. (-1, 0) and (-3, 0) B. (0, 1) and (0, -3)
C. (-2, -1) D. (-1, -2)
Answer:
Step-by-step explanation:
d
What is the best estimate for 13 1/12 – 1 9/10?
Answer:
671/60 or 11.2 approxiamtley
Step-by-step explanation:
just subtract it in desmos
what did the teenage yardstick say to its parents
Answer:
I want to stand on my own three feet
Step-by-step explanation:
Hi everyone pls answer I will give you BRAINLEST!! Pls help
A jar contains 93 marbles, of which 32 are blue, 20 are red, and the rest are green. What is the ratio of green marbles to all marbles?
Answer: 52:41
Step-by-step explanation:
PLease please
Mr. Voelz estimates that he will spend $10 on concessions at the basketball game. He actually spends $15. What is the percent error?
please
Answer:
He spent 150% than what he estimated.
Step-by-step explanation:
15 ÷ 10 = 1.5 = 150%
Answer: 66.67%
Step-by-step explanation: The first step is to divide 10 by 15 to get the answer in decimal form: 10 / 15 = 0.6667 Then, I multiplied the answer from the first step by one hundred to get the answer as a percentage: 0.6667 * 100 = 66.67%
True or false NEED ANSWERS ASAP
Answer:
19.Flase 20.True
Step-by-step explanation:
hope this helps sorry if not
Pls help!!!
Factor each expression using the GCF. Check your work using the Distributive Property.
9. 3x + 12
10. 6x - 30
11. 20x - 16
12.-50x + 80
13. 77 + 22x
14. 21x - 14
Joey pays $35.85 each month for his new stereo what does he pay each year
Answer:
$430.20
Step-by-step explanation:
35.85 x 12= 430.20
Travel Rent-a-Car charges $135 to rent a car for 3 days. At this rate, what will it cost to rent a car for 5 days?
Answer:
So if every day the Car place makes u pay 45 dollars, all you gotta do is add 45 twice and then add it to 135, which is 225
Step-by-step explanation:
what is -5xy and 8xy
Answer:
3xy
Step-by-step explanation:
Answer10:
Step-by-step explanation:
10
Plzzzzz help PLZZ asap!!!
Answer:
equation:- 180-42= x or 180-x= 42
x= 138°
Step-by-step explanation:
180-42= x
180-42= 138°
You buy a refillable cup from the gas station for $10. They are offering a special where you buy the cup, and you can get soft drink refills for only
$0.40 for the entire summer. Write a function in x that represents the total amount you spend on soft drinks at the gas station this summer. Be sure
to indicate any domain restrictions.
Answer:
10₊0.40x
Step-by-step explanation:
Because it starts off by being 10 dollars plus 0.40 times however many refills you get
Can someone help plz
Answer:
(-2) + (3-7)
(-1) * (-2)
EVALUATE THE EXPRESSION
Step-by-step explanation:
HELP ME
Write 6.789 in word from
Answer:
six- and seven hundred eighty nine hundredths
Step-by-step explanation:
6 is the whole number
789 is ow many hundreths there is
Mr. Charles gave both of his sons, Joe and Bill, $5,000. Joe deposited the money in an account that offered simple interest of 11% per year. Bill deposited the money in a bank that offered an interest of 9% compounded annually. Who would be richer at the end of 6 years and by what amount? Joe: $ , Bill: $ , . earns more.
Answer:
Bill by $85
Step-by-step explanation:
Bill : Compound interest is calculated by multiplying the initial principal amount by one plus the annual interest rate raised to the number of compound periods minus one. The total initial amount of the money given is then subtracted from the resulting value.
Compounded annually for 6 years at 9 % interest Bill would have $8385.50.
Joe : Simple interest at 11% a year The formula we'll use for this is the simple interest formula.
P is the principal amount, $5000.00.
r is the interest rate, 11% per year, or in decimal form, 11/100=0.11.
t is the time involved, 6year(s) time periods.
So, t is 6year time periods.
To find the simple interest, we multiply 5000 × 11 × 6 = 3300
Usually now, the interest is added onto the principal to figure some new amount after 6 year(s),
or 5000.00 + 3300.00 = 8300.00
As you can see Bill has more by $85.
^Check yourself
Please help, I will give brainliest, I am struggling badly.
Answer:
Step-by-step explanation:
Answer:
im pretty sure the answer is "infinite solutions" hope this helps
what is m CDJ?
please help me I'm super confused.
Answer:
34 degrees.
Step-by-step explanation:
Assuming AK is a straight line and being shown angle JDK is right and 90 degrees it can be stated that 4x + (3x-8) = 90 degrees.
Drop the parentheses and get 7x - 8 = 90.
Add 8 to both sides 7x = 98.
Divide both sides by 7, x = 14.
Plug that x value into (3x-8), [3(14)-8] = 34 degrees.
Answer:
34 degrees
Step-by-step explanation:
So, because mJDK and mJDA lie on a line, they must be supplementary, and since mJDK is 90 degrees, mJDA must be too. So, you know that the combination of mADC and mCDJ must be 90 degrees. 4x+3x-8=90 simplified is 7x=98, which says that x is equal to 14. So you plug in the values for 3x-8, and voila! mCDJ is 34!
please help me on this math question
Answerye
rd
Step-by-step explanation:
1. A fair 20-sided dice with faces numbered from 1 to 20 is rolled. The event M is defined
as “the number obtained is a multiple of 3”.
a. Determine P(M). If the dice is rolled 100 times.
b. How many times would you expect to get a multiple of 3?
Answer:
you wouldn't get to many unless every time you roll you get an odd number and if you end up with that you can expect to get a number counted by 3 at least 6 times
helppp pleaseee ty! :(
Answer:
A
Step-by-step explanation:
A car averages 25 2/3
miles on a gallon of gas. How many miles can it travel on 8
Answer:
205 1/3
Step-by-step explanation:
Because it travels an average of 25 2/3 on one gallon, you simply multiply it by 8 in order to find how many miles it travels on 8 gallons of gas.
o
2
|(2, 2)
1
-3 -2 -1
1 2 3 x
-3
+(-2,-4)
What is the slope of the given line?
help please pleassse
Answer:
[tex]n=\frac{8}{3}[/tex] or [tex]n = 2\frac{2}{3}[/tex]
Step-by-step explanation:
Multiply both sides of the equation by [tex]\frac{10}{3}[/tex]
[tex](\frac{10}{3}) (\frac{3}{10})*n= (\frac{10}{3})(\frac{4}{5})[/tex]
Simplify both sides of the equation.
[tex]n=\frac{8}{3}[/tex] or [tex]n = 2\frac{2}{3}[/tex]
hope this helps :)