Answer:
x = 12
y = 14
Step-by-step explanation:
5x + 4y = 116
5 x 12 = 60
4 x 14 = 56
60 + 56 = 116
10x + 6y = 204
10 x 12 = 120
6 x 14 = 84
120 + 84 = 204
-------------------------------------------
Here's how I found x and y:
10x + 6y = 204 can be divided by 2
5x + 3y = 102
Then I took 116 and subtracted 116 given the difference
in y.
116 - 102 = 14
So y = 14 and then I sovled for x:
5x + 56 = 116
116 - 56 = 60
60/5 = 12
10x + 84 = 204
204 - 84 = 120
120/10 = 12
A circle has a diameter of 6 meters. Which statement about the circumference and area is true?
A comparison of the area and circumference is not possible since the area cannot be determined.
The numerical value of the circumference and area are equal.
The numerical value of the circumference is greater than the numerical value of the area.
The numerical value of the circumference is less than the numerical value of the area.
Answer:
The numerical value of the circumference is greater than the numerical value of the area.
Step-by-step explanation:
This has already been answered
The numerical value of the circumference is less than the numerical value of the area.
Which statement is true?For a circle of radius R, remember that the diameter is twice the radius, we have:
area = pi*R^2
And the circumference is:
C = 2*pi*R
In this case, we have:
D = 6m
R = 6m/2 = 3m
The circumference is:
C = 2*3.14*3m = 18.84m
And the area:
A = 3.14*(3m)² = 28.26 m^2
So the area is larger than the perimeter, the true statement is:
"The numerical value of the circumference is less than the numerical value of the area."
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Solve the function algebraically. -8|3 - 8x| = 40
Answer: x =1
Distribute
add 24 to each side
simplify
divide both sides by the same term
simplify
can someone please help me find out what LN and KN is
Answer:
LN= 3,9
KN=-2,9
Step-by-step explanation:
its that answer because on the number lime L is 3 and N is 9 and K is -2
what is the answer to this question ????????????
Answer:
umm
Step-by-step explanation:
Just need 15 and 16 help will mark as brainliest answer
Answer:
15. 12, 16. 18
Step-by-step explanation:
a = pi*r^2
15) 36pi = pi*r^2 --> 36 = r^2 --> 6 = r --> 12 = d
16) 81pi = pi*r^2 --> 81 = r^2 --> 9 = r --> 18 = d
What is the slope of the line on the graph below
Answer:
2
Step-by-step explanation:
Pick any point
You go up 2 and 1 over
2/1 is the same as 2 just simplified!
tatiana earns money by babysitting her little cousin. when she babysits for 7 hours she earns 94.50. which equation represents her total wages based on the hours that she works?
answers:
y=2x
y=7x
y=27x
y=13.50x
Answer:
y=13.50x
Explanation:
94.50/7 = 13.5
hold on i think im wrong who knows sorry
A recipe calls for 3 cups of sugar and 9 cups of water. How many cups of water should be used with 2 cups of sugar? Type your answerin
Answer
6 cups!
Step-by-step explanation:
can someone help me !
Answer:
Your answer is 3 100000000000% i did the math lol
Step-by-step explanation:
2 math question please help me 30 point
Answer:
1. B: 12 BB 18 FB,, 2.
Step-by-step explanation:
1. make the equation (198 + 33x) + 24x = 882 because there are a certain number of each ball (x) and 6 more footballs. since each football is 33 dollars, you do 33 x 6 which is 198, and then keep 33x and 24x. It is all equal to 882 since that is the final price. First, you subtract 198 on each side and combine the like terms (33x + 24x). Now it is 684= 57x and you divide 684 by 57, which equals 12. That means that there are 12 basketballs and 12 + 6 footballs, which is 18.
2. You cannot solve the problem or do any problem without distributing first. I'm unsure how else to explain it.
67 x 10 to the fourth power
Answer:
670000
Step-by-step explanation:
67 * 10^4
67 * (10*10*10*10)
= 670000
Answer:
670,000
Step-by-step explanation:
You'd do 10^4 first which is 10,000.
Then multiply 10,000 by 67.
67*1 is 67. Add the 4 zeros and you get...
670,000
What is the irs ? In math
Answer: What is the IRS's math error authority? Congress has granted the IRS “math error authority,” which allows the IRS to make certain summary adjustments to a taxpayer's return. If the changes lead to a greater amount of tax, the IRS would make an assessment.
...................pls help!!!!!
A $4 sales tax is charged for a $50 purchase. At this rate, what is the sales tax for a $1200 purchase?
Answer:
$96
Step-by-step explanation:
8. Gisele spins a spinner that has equally
sized yellow, green, blue and red
sections. What is the probability that
Gisele spins orange?
Answer:
0
Step-by-step explanation:
it was never stated that there was orange on the spinner
An equation for the line whose slope is 4 and which passes thorough the point (-5,3)
Answer:
y = 4x + 23
Step-by-step explanation:
[tex]y-y_{1}=m(x-x_{1} )\\y-3=4(x-(-5))\\y-3=4(x+5)\\y-3=4x+20\\y=4x+23[/tex]
The equation of the line is required.
The equation of the line is [tex]y=4x+23[/tex]
Equation of line[tex]m[/tex] = Slope of line = 4
Point = [tex](-5,3)[/tex]
[tex]x_1=-5[/tex]
[tex]y_1=3[/tex]
Equation of a line is given by
[tex]y-y_1=m(x-x_1)\\\Rightarrow y-3=4(x-(-5))\\\Rightarrow y-3=4x+20\\\Rightarrow y=4x+20+3\\\Rightarrow y=4x+23[/tex]
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CAN U PLZ HELP MEE DONT SCROLL DOWN ILL GIVE BRAINLLEST PLZ PLZZZZ
Answer:
75.4
Step-by-step explanation:
v = pi * r^2 * h
v = 3.14 * 4 * 6
v= 3.14 * 24
v= 75.36 m^3
to the nearest tenth is 75.4 m^3
Evaluate each expression by replacing the variable with 8. Show each step. (8 marks) 2n - 6
Answer:
10
Step-by-step explanation:
2n-6
n=8
2(8)-6
16-6
10
write an equation that is perpendicular to x - 3y =3 and passes through the point (5,-9) in slope-intercept form.
9514 1404 393
Answer:
y = -3x +6
Step-by-step explanation:
The perpendicular line will have the coefficients of x and y swapped (and one of them negated), and will have a constant appropriate to the point the line needs to go through.
The equation will look like ...
x -3y = 3 . . . . . . . . . . . . . given line
3x +y = constant . . . . . . perpendicular line
where "constant" can be found by substituting for x and y.
3x +y = 3(5) +(-9)
3x +y = 6 . . . . equation in standard form
To put this in slope-intercept form subtract 3x:
y = -3x +6
A music group expects to sell a new compact disc (CD) at the rate R(t)=20,000e−0.12t CDs per week, where t denotes the number of weeks since the CD was first released. To the nearest thousand, how many CDs are expected to be sold during the first 12 weeks after the release?
Answer:
4739 CDs
Step-by-step explanation:
Given the function that models the rate at which the disc is sold expressed as;
R(t)=20,000e^−0.12t
t is the number of weeks since the CD was first released
We are to look for the number of CDs that are expected to be sold during the first 12 weeks after the release. To do this, you will simply substitute t = 12 into the modeled function and get R(12) as shown;
R(t)=20,000e^−0.12t
R(12)=20,000e^−0.12(12)
R(12)=20,000e^−1.44
R(12)=20,000(0.2369)
R(12) = 4738.56
Hence the total number of CDs expected to be sold to nearest thousand is 4739 CDs
Answer:
127,000
Step-by-step explanation:
you take the integral from 0 to 12 of R(t)
Pls explain how you got the answers
Answer:
1. 2.64172
2. 9.94194
3. 76.2
4. 10.9728
5. 49.2126
6. 443.603
7. 402.336
8. 259.08
9. 328.084
10. 7.57082
11. 7.25748
12. 55.1156
13. 127
14. 22.7125
15. 189.598
Step-by-step explanation:
1. liters to gallons 1:0.264172
10 L = 2.64172 gal.
2. kilometers to miles 1:0.621371
16 Km = 9.94194 mil.
3. inches to centimeters 1:2.54
30 in = 76.2 cm
4. yards to meters 1:0.9144
12 yd. = 10.9728 m
5. meters to feet 1:3.28084
15 m = 49.2126 ft
6. fluid ounces to milliliters 1:29.5735
15 fl oz = 443.603 mL
7. miles to kilometers 1:1.60934
250 mi = 402.336 km
8. feet to meters 1:0.3048
850 ft = 259.08 m
9. meters to feet (see problem 5)
100 m = 328.084 ft
10. quarts to liters 1:0.946353
8 qt = 7.57082 L
11. pounds to kilograms 1:0.453592
16 lbs = 7.25748 kg
12. kilograms to pounds 1:2.20462
25 kg = 55.1156 lbs
13. inches to centimeters (see problem 3)
50 in = 127 cm
14. gallons to liters 1:3.78541
6 gal = 22.7125 L
15. kilograms to pounds (see problem 12)
86 kg = 189.598 lbs
Jesse uses the function f(x) = 0.25x + 20 to calculate her phone bill each month, in dollars, where x is the number of minutes she uses. What does 0.25 represent?
Answer:
c hope this helps!
Step-by-step explanation:
How am I supposed to do?
If the coordinates of point E are (-4, y), what is the value
of y?
O -8
O -4
O0
O8
The value of y is -8
What is slope of the line?"The slope of tee line passing through points [tex](x_1,y_1),(x_2,y_2)[/tex] is [tex]m=\frac{y_2-y_1}{x_2-x_1}[/tex]"
What is y-intercept?"The point at which the graph intersects the Y-axis."
What is slope intercept form of the line?"y = mx + c, where m is the slope of the line and c is the Y-intercept."
For given question,
We have been given the graph of a line.
From the graph, we can observe that the line is passing through the points (4, 4) and (-6, 0)
Using slope formula the slope of the line would be,
[tex]\Rightarrow m=\frac{4-(-6)}{4-0}\\\\\Rightarrow m=\frac{10}{4}\\\\\Rightarrow m=\frac{5}{2}[/tex]
Also, the line intersects y-axis at y = 2
This means the y-intercept is c = 2
Using the slope-intercept form of the line the equation of the line would be,
[tex]y=mx+c\\\\y=\frac{5}{2}x+2[/tex]
Point E(-4, y) lies on the given line.
So, this point satisfies the equation of the line.
[tex]\Rightarrow y=\frac{5}{2}(-4)+2\\\\ \Rightarrow y=-10+2\\\\\Rightarrow y=-8[/tex]
Therefore, the value of y is -8
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a line with the slope of 1/3 passes through the points of (6,0). what is the equation in slope intercept form?
Answer:
y = 1/3x -2
Step-by-step explanation:
the equation for slope intercept form is y= mx + b.
m is the slope and b is where the line crosses the y-axis which is called the y-intercept.
to find the y-intercept plug in a coordinate on the line (6,0)
0 = 1/3(6) + b
then solve for b by first multiplying 1/3 by 6
0 = 2 + b
subtract 2 from both sides
-2 = b
and then you can plug b into the equation
y = 1/3x - 2
Help I will mark brainliestttt plzzz
Answer:
b. 8 weeks
Step-by-step explanation:
Answer:
It’s b it’s 8
Step-by-step explanation:
Please mark me brainleist
0.9 to the 2 power =
Answer:
0.81
Step-by-step explanation:
MAKE ME BRAINLIEST PLEASEE <333
Answer:
0.81
Step-by-step explanation:
the answer is 0.81
0.9×0.9=0.81
The function d = 8f + 24 represents the monthly cost d (in dollars) of a group of f members joining the fitness club. a. Identify the independent and dependent variables (don’t say f and d).
Answer:
D represents the dependent variable: the monthly cost in dollars is your independent variable
F represents the independent variable: the number of members joining the fitness club
Step-by-step explanation:
The amount of money depends on how many members come and join the fitness club because more money is spent more with more members
What is the solution of the equation:
[tex] \sqrt{5 - 2x } = 3i[/tex]
O 1
О 4
O 7
О -2
(help asap!!!!) Wyatt is 6 years older than 2 times the age of his nephew. Wyatt is 32 years old. How old is his nephew?
Answer:
His nephew is 13
Step-by-step explanation:
Reverse the given process,
32 - 6 = 26,
26 ÷ 2 = 13,
The answer is 13.
Answer:
13
Step-by-step explanation:
13 times 2 plus 6 is 32
