Answer:
y = 245 / 7, x = 29
Step-by-step explanation:
make both into ax + by = c format which is
Math:
5x + 2y = 245
-5x + 5y = 30 <== 5 (- x + y = 6) to cancel out the x since it has a negative already.
[(Side Note) if both were positive then you would need to do
EX: - 5 (- x + y = 6)]
Continued:
7y = 275 ==> 7y/7 = 245/7
y = 245 / 7
Plug it in the most convenient one which has the equation y = x + 6
and tweak it a bit
x = y - 6
x = 245 / 7 - 6 ==> 245 / 7 - 42 / 7
x = 203 / 7 ==> 29
During a sale, cameras were discounted 30% from their original price of $295.99. To the nearest cent, how much was the camera during the sale to the nearest cent?
Please answer all of them i need this ASAP
Answer:
1. $548.90
2. $349.30
3. $160,650
4. 580
5. 20.14%
6. 64.8%
p = 2l+2w
show your work; solve for w.
subject: math, literal equations
Solve for x.
4 (x + 1 1/3) = 9 2/3
Enter your answer as a mixed number in simplest form.
Answer:
x = 13/12
x = 1 1/12
Step-by-step:
4 (x + 1 1/3) = 9 2/3
4x + 5 1/3 = 9 2/3
subtract 5 1/3 from each side
4x = 4 1/3
divided by 4 on each side
x = 13/12
x = 1 1/2
C.Explain in words what did you find to find the cost per class in part B
Answer:
What was part B?
Step-by-step explanation:
There is no picture.
An item is priced at $13.35. If the sales tax is 8%, what does the item cost including sales tax? You may need to round your answer to the nearest cent.
*First one to answer correctly get brainliest
USE PICTURE TO ANSWER QUESTION
Answer:
k = 24
y = 24x
Step-by-step explanation:
72/3 = 24
y = 24x
72 = 24(3)
72 = 72
Hope this helps!
Please answer the picture
Answer:
-15x + 3
Step-by-step explanation:
expand
3 times -5x = 15x
3 times 1 = 3
Answer:
−15x+3
Step-by-step explanation:
3(−5x+1)
= (3)(−5x+1)
= (3)(−5x)+(3)(1)
= −15x+3
Help me with this. Please! I need it urgently!
The open side of the inequality sign indicates the larger number. So 5 > 3, 4 < 6.
This, ≥, means it is bigger than or equal.
To show < or >, the purple arrow points to where the unknown value (x or n or k or b etc.) could be, and the dot is unfilled, or white, indicating that number is not a possible value of the unknown number.
To show ≤ or ≥, the purple arrow works the same way, it points to the where the unknown value could be. But the dot is filled, showing that the number could be the unknown value.
So for question 11, the answer is x ≤ 0 (x is less than or equal to zero).
For question 12, the answer is x > 3 (x is more than three)
Hope this helped :)
PLEASEEEEE HELPP( look at picture )
Answer: Alright i know exactly how to do this :) i need ur help though it's been a bit since i did this the types they are asking for what are they?
I need a multiple choice otherwise i dunno how to help with identifying them
The math is simple tho
16x-2=15x+4
add 2 to -2 to elimate itself add 2 to +4 =6
16x=15x+6
we need x by itself subtract 15x from itself and then 16x
1x=+6 = x is 6
The rest go the same-
Step-by-step explanation:
Solve for x.
3/5 (x − 7/10)= −3 1/4
Enter your answer as a mixed number in simplest form.
i miswrote this the first time it was 7/10 not 7 1/0
Answer:
3x/5 - 367/100
Step-by-step explanation:
Which graph shows the correct solution to the inequality below?
Answer:
Third Option
Step-by-step explanation:
3x + 18 > 6x - 9
We have to find the value of x for this
Subtract 18 from both sides to leave 3x alone
3x > 6x - 27
Subtract 6x from both sides to be able to find the value of x
-3x > -27
Divide by -3 on both sides
x > 9
The answer would be the third option, since X is anything greater than 9
Question 1(Multiple Choice Worth 1 points)
(04.05 MC)
Remo needs to buy a countertop for a bathroom. He calculated the area as 10 square feet. The actual area is 9.5 square feet. What is Remo's percentage error?
0.5%
0.95%
5%
5.26%
Answer:
5%
Step-by-step explanation:
Lets say 10 add a 0 = 100 9.5 add a 0 = 95.0 (move ok decimal place) so there is a 5% error.
what is 3438 x 24 + 24 -24 divided by 4
Answer:
82512
Step-by-step explanation:
Answer:
(3,438 x 24) + 24 - (24 / 4)
82,512 + 24 - 6
82,536 - 6
= 82,530
PLease help me ill give brailiest n if you can put an explaination TvT im not that great with math
Answer:
/24
Step-by-step explanation:i am not that good but to me looks like /24 i hope it is a good A :}
Answer:
Square Root of 26 = 5.9
Square Root of 20 = 4.7
Square Root of 24 = 4.8
Square Root of 27 = 5.1
So, C, Square Root of 24 is the correct one!
What is the constant of proportional for y=3/4x
Answer:
3/4
Step-by-step explanation:
I say that because it says that 3/4x = y. So, whatever it is it would be 3/4
You are converting the numbers shown below into scientific notation. Which of the options will be a number times 10−6? Select all that apply.
A)0.00578
B)0.00000445
C)0.000002243
D)0.000091
A motorboat moves across a lake at a constant speed. When it begins, it is 55 km from the shore. After 12 minutes, it is 19 km from the shore. Which function describes the motorboat's distance from the shore?
A. y = –12x + 19
B. y = –3x + 55
C. y = 3x + 55
D. y = –12x + 55
Answer:
y= _3x+55
Step-by-step explanation:
we conqet two points
(0,55) (12,19)
55=B subsiquent two points into the equation
19=a,12+55
a=-3
b=55
so we choose B
Answer:-3x=55
Step-by-step explanation:I had to do it
pls pls help help pls help me out
Answer:
49
Step-by-step explanation:
28 / (4/7)
= 28 * 7/4
= 7*7
= 49
Answer:
The answer is 49
Step-by-step explanation:
Trust me I'll edit and show my work if you'd like but there
HELP PASKAJAJ MEEEEE PLEASE
Jessica ran on the track team at her school. She finished a 200-meter race in 54 seconds.
1. What was Jessica's average speed, in meters per second, for the 20-meter race?
Jessica ran in a 50-meter race next. On this shorter distance, Jessica's speed was 1 meter per second faster than her speed in the 200-meter race.
How many seconds did it take Jessica to complete the 50-meter race?
Answer:
I'm not sure but I think its 54 meters per second
find the gcf of 30 and 66
Answer:
6 is the GCF of 30 and 66
Step-by-step explanation:
The GCF of two non-zero integers, x(30) and y(66), is the greatest positive integer m(6) that divides both x(30) and y(66) without an remainder.
I need the answer nowwwww show your work!!!!
The Cost C (in dollars) of making n bracelets is represented by C=45n+125. How many bracelets are made when the cost is $845?
So we know the cost is $845, which means this is the cost or our C. Lets input this into our equation and solve.
845 = 45n + 125.
Subtract from both sides:
845-125 = 45n + 125-125
720 = 45n
Divide by 45:
720 / 45 = 45n / 45
16 = n
This means that 16 bracelets can be made if the cost is 845.
We can also re-input the information into the equation to be extra sure!
845 = 45 (16) + 125.
845 = 720 + 125.
845 = 845
Yes!
I hope this helps! :)
Point R is at (2, 1.2) and Point T is at (2, 2.5) on a coordinate grid. The distance between the two points is ____. (Input numbers and decimal point only, such as 8.2.)
Answer:
we can see that the x or the first number in both are 2 so there is no distance there, where there is a distance is the y which to find out we can just do 2.5-1.2=1.3
the distance between the two points is 1.3
add or subtract
2+(−9)=
what is 159,095 rounded to the nearest hundred?
Answer:
159,100 is the answer
Step-by-step explanation:
159,100 is the answer because 159,095 is closest to 159,100 than 159,000. So therefore, 159,100 is the answer.
Answer:
159,100
Step-by-step explanation:
200,000 - rounded to the nearest hundred thousands
160,00 - rounded to the nearest ten thousands
159,00 - rounded to the nearest thousands
159,100 - rounded to the nearest hundreds
159,100 - rounded to nearest tens
159,095 - rounded to nearest ones
While rounding off to the nearest hundred, if the digit in the tens place is between 0 – 4 i.e. < 5, then the tens place is replaced by ‘0’.
If the digit in the units place is equal to or >5, then the tens place is replaced by ‘0’ and the hundreds place is increased by 1.
Solve dis sushma if u r so smart
Answer:
[tex]f(2)=-2[/tex]
Step-by-step explanation:
Looking at the graph we can see where the y value is located when [tex]x=2[/tex]. From this, we can determine that at an x value of 2, the y value is -2.
Giving brainliest to the correct answer please hel
Answer:
3.805 x 10^7.
( D.)
Step-by-step explanation:
helpppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppp
Answer:
18 Yards
Step-by-step explanation:
help pls and letter d is 4 1/2
Answer: The answer is B.
Step-by-step explanation:
To figure out, you must first turn the mixed fraction (3 1/2) into an improper fraction (7/2). We can do so by:
3 * 2 = 6
6 + 1 = 7 or 7/2
Next, you follow the rules of KCF: Keep, Change, Flip. Keep the first fraction, Change the sign to its inverse operation, and Flip the second fraction.
Our original equation is 7/2 /(divided by) 3/2 = ?
1. Keep the first fraction
7/2 / 3/2 = 7/2 / 32
2. Change the sign to its inverse operation
7/2 / 3/2 = 7/2 * 3/2
3. Flip the second fraction
7/2 * 3/2 = 7/2 * 2/3
Now, solve.
7/2 * 2/3
7 * 2 / 2 * 3 = 14/6
To make this a proper mixed number, first simplify.
14/6 / 2 = 7/3
Now, figure out how many wholes are in 7/3.
7/3 / 3 = 2 1/3
This is because 2 times 3 is six, and 7 minus 6 equals 1, or 1/3.
Therefore, the answer is 7/3 OR 2 1/3 OR B