Divide tip by portion of bill:
1.80/0.20 = 9.00
The total bill before the tip was $9.00
Divide total bill by 1+ sales tax rate:
9.00 / 1.08 = 8.33
The bill before tax was $8.33
2.
Which relationship is a function?
A.
ху
9 -6
9-8
4
2
-32
B. {(-10, 8), (5, 2), (-1, 5), (-1, -9)}
C. {(3, 4), (10, -7), (-7, 1), (3, 10)}
D. {(-6, 3), (4, 4), (-7, 10), (0, 7)}
If the circumference of a circle is 82p , then the value of ‘r’ is
(i) 41 cm
(ii) 82 cm
(iii) 21 cm
(iv) 20 cm
Answer:
41cm
Step-by-step explanation:
The circumference of a circle is 82π
Therefore r can be calculated as follows
2 × π × r= 82× π
2πr= 82π
r = 82π/2π
r= 41
Hence r is 41cm
Kenny wants to take his dog to obedience school. At Sit and Stay School, 12 lessons cost $96. At Canine Community Center, 25 lessons cost $125. Which is the better deal?
Answer:
25 lessons that cost $125
Step-by-step explanation:
If 8 lessons cost $96
then, 96/12 =8
therefore a lesson costs $8
If 25 lessons costs $125
then, 125/25= 5
therefore a lesson costs $5 which is cheaper.
points
12. Part 1 What is the value of x ? For this question, please only give the
value for x. The next question will ask for the angle measure. What is the
value for x? *
If mx1 = (7x-19), and m42 = (x + 5), find m angle 2.
Answer:
This is for M x
=
−
19
m
−
7
x
=
m
42
−
5
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3y- 3x + 3 =15 solve for y.
Answer:
y=x+4 this should be the answer
Convert 41 litres to gallons
Answer:10.8311
Step-by-step explanation: yuh
which number is less than 909 and greater than 868
Answer:
There is multiple answers.
869-908
Step-by-step explanation:
869-908 is less than 909, but greater that 868.
4. The Barber's have a circular flowerbed in their front yard. The want to put fertilizer
on half of the flowerbed. The flowerbed has a circumference of 8.5 feet. One bag of
fertilizer will cover 6 square feet. How many bags of fertilizer will they need to cover
half of the flowerbed?
Answer:
Wait what
Step-by-step explanation:
Answer:
2 bagsStep-by-step explanation:
Circumference is:
C = πrThen the radius:
r = C/π = 8.5/3.14 = 2.7 ftThe area:
A = πr² = 3.14*2.7²= 22.89 ft²Half of the area:
22.89/2 = 11.445 ft² ≈ 12 ft² rounded upFertilizer needed:
12/6 = 2 bagsRyan and Chaise are brothers. Ryan's age, y, us twice Chaise's age, x. Ryan is also 11 years older than Chaise. What is Ryan's age?
Ryan is 22 years old.
What is the system of equations?
A system of equations is a collection of one or more equations that are considered together. The system can consist of linear or nonlinear equations and may have one or more variables. The solution to a system of equations is the set of values that satisfy all of the equations in the system simultaneously.
Let's use the given information to set up a system of equations to solve for Ryan's age.
We know that Ryan's age, y, is twice Chaise's age, x, so we can write:
y = 2x (Equation 1)
We also know that Ryan is 11 years older than Chaise, so we can write:
y = x + 11 (Equation 2)
Now we can substitute Equation 1 into Equation 2:
2x = x + 11
Simplifying, we get:
x = 11
So Chaise is 11 years old.
To find Ryan's age, we can use either Equation 1 or Equation 2. Let's use Equation 2:
y = x + 11
y = 11 + 11
y = 22
Therefore, Ryan is 22 years old.
To learn more about the system of equations visit:
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Identify the vertex of the quadratic function
Answer:
(-2,-1)
Step-by-step explanation:
On the graph, the vertex is where the bottom of the U is. In general, it's always that same place on the U, but the U could be turned upside down or left or right. Looking at the bottom of the U, count on the x axis first (left 2, which is negative). That's your first number. Then count on the y axis (down 1, again, negative). That's your second number. Hope this helps!
what is
sec (-780 degrees)
Answer:
its 2
Step-by-step explanation:
sec=1/cos
sec -720 + sec -60
NEED HELP ASAP!!!
Use Pythagorean Theorem to solve. Round to the nearest tenth *
7.2 cm
2.1 cm
х
Answer:
7.5
Step-by-step explanation:
A squared + B squared = C squared
7.2 squared + 2.1 squared = C squared
=7.5
Raphael deposited $6,500 in an account that pays 4.25% interest, compounded annually. He left the money in the account for 4 years, without depositing money to it or withdrawing money from it. At the end of the 4 years, how much interest in dollars and cents did the account earn? Record your answer and fill in the bubbles on your answer document. Be sure to use the correct place value.
Answer:
$104,000.00
I tried, but I'm not a math whiz or anything.
The amount of interest is $1170.
What is the compound interest?Compound interest is the interest on savings calculated on both the initial principal and the accumulated interest from previous periods.
The formula used to find the compound interest = [tex]A=P(1+\frac{r}{100})^{nt}[/tex].
Given that, principal =$6500, rate of interest =4.25% and time period = 4 years.
Here, Amount = 6500(1+4.25/100)⁴
= 6500(1+0.0425)⁴
= 6500(1.0425)⁴
= 6500×1.18
= $7670
Interest = Amount-Principal
= 7670-6500
= $1170
Therefore, the amount of interest is $1170.
To learn more about the compound interest visit:
https://brainly.com/question/14295570.
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What is the answer???
1. Solve for x
4x-2=2x+4
Your answer
Answer:
3
Step-by-step explanation:
Plz mark brainliest
can someone help me find the equation for this line please
Answer:
y = x + 1
Step-by-step explanation:
The line y = x goes through the origin, and forms a perfect 45 degree angle with the x axis.
This is that same line, moved upward 1 unit, so the y value comes out 1 unit more.
Also, in y = mx + b form (slope-intercept form), we see slope m = 1 and y-intercept b = 1, so
y = 1x + 1 = x + 1
y = x + 1
estimate a 15% tip for a $60 bill
Answer:
the answer would be 15/100= .15 *60= 9 so the tip would be 9$
Answer the tax would be *.00 dollars if you estimate it
Step-by-step explanation:can I get marked brainlist
The contestant at a game show had already
won a total of $2750 when the game show was
continued today. He earns an additional $250
for each question he answers correctly today.
Answer:
y=250x+2750
Step-by-step explanation:
What is the slope of a line that passes through points (-1, 4) and (4, 9)?
O3/5
O-1
O5/3
O1
Magazine ask readers to call in their opinion regarding the amount of advertising in present issue what sampling is it
Answer:
Convenience
Step-by-step explanation:
The convenience sampling method is defined as the non probability sampling method in the sample of the survey is taken from such a group that is easy to reach or contact. Here the sample is taken from the people that are close to hand. It is useful for the pilot testing.
In the context, the magazine publishers asks the sample of people to call and inform about their views on the amount of the advertisements in the present issues. The sample taken will be easy to reach and easy to contact. This type of sampling taken is called the convenience sampling.
Audrey makes a certain shade of blue paint. She uses 3 1/2 quarts of blue paint with 5 quarts of white paint. Her cousin Evan will do the same. He will mix w quarts of white paint with b quarts of blue paint. Which of these equations represents the relationship between w and b ?
Answer:
b = 0.7w
Step-by-step explanation:
To make a shade of blue paint :
3 1/2 quarts of blue
5 quarts of white
3 1/2 α 5
7/2 = 5k
Where k is the proportionality constant
k = 7/2 ÷ 5
k = 7/2 * 1/5
k = 7/10
k = 0.7
To mix :
b quartz of blue with w quartz of white
b = kw
b = 0.7w
Sasha paid $68 for a painting frame during a 20% sale event. Find the original price of the frame.
Answer:
$68.20
Step-by-step explanation:
Answer:
85$
Step-by-step explanation:
p = original price
68 = p - 20%p
68 = p - 0.20p
68 = 0.80p
85 = p
The original price was $85.
The original price is 100%. The sales price was 20% off - subtract. So the sale price was 100% - 20% = 80%.
Incase you wanna know how I came up with the 0.80p :)
A box of socks contains 5 white socks, 3 grey socks, 4 black socks and 1 blue sock. If Sophie
closes her eyes and randomly picks two socks from the box, what is the probability that both socks
are grey?
Answer:
1/5
Step-by-step explanation:
I’m really dum man and help me pls
Answer:
18 /25
Step-by-step explanation:
Multiply
3/5 × 6/5 = 18/25
3 /5 × 6/5 = ( 3 × 6 ) over ( 5 × 5 )
= 18/25
The answer is here:
18/25
HOPE THIS HELPS! HAVE A GREAT DAY!This is how you put it in the graph: (and btw make sure you drag the 0 to the big box)Which ordered pairs could be points on a line parallel to the line that contains (3, 4) and (–2, 2)? Check all that apply.
(–2, –5) and (–7, –3)
(–1, 1) and (–6, –1)
(0, 0) and (2, 5)
(1, 0) and (6, 2)
(3, 0) and (8, 2)
ANSWER B,D,E
Answer:
Like it says, it is B, D, E :v
Someone help me with this
Answer:
116
Step-by-step explanation:
They are corresponding angles and therefore will be congruent :) Hope that helps!
Please help me :)many thanks
Answer:
mode: none
median: 4
mean: 4.2
Step-by-step explanation:
when dealing with mean, median, mode the first thing you should do is arrange the numbers in order from least to greatest. Once you have done so the easiest thing to do first is see which number is in the very middle, this is your median. Mode is the number that appears the most. Mean is another word for average. To find the mean, add up all the numbers then divide the sum of all the numbers by how many numbers are listed. In this case, 2+3+4+5+7=21.
21 divided by 5 (how many numbers there are) = 4.2
Can someone please help me
PLEASEEE HELPPPPPP!!
Answer:
40c=120
Step-by-step explanation:
8. Which of the following numbers is prime? 14 51 47 27
9. Which of the following numbers is composite? 2 19. 17 15
Answer:
8: 14 is the prime number
9: 15 is the composite number
Step-by-step explanation:
I hope this helped :)
Answer:
PRIME: 2, 17, 19, 27, 27
COMPOSITE: 14, 15, 51
Step-by-step explanation:
Hope this helps:)