Cindy earns $10 per hour, and Claire earns $12 per hour. If they each work h hours, how much do they earn together?
Answer:
Step-by-step explanation: they each earn $5
25 POINTS AND BRAINLIEST TO CORRECT ANSWER!!
Jack is 12 years older than his sister, Amy. Amy is 2 years old. In how many years will Solomon be exactly twice as old as his sister?
TYVM!! :)
Answer:
He will be exactly twice as old as his sister in -8 years. Logically, he can't age backward, but this is the answer.
Answer: hope this helps ♡
Jack will be twice as old as his sister in -8 years.
Step-by-step explanation:
If Jack could age backwards, he would be twice as old as his sister in -8 years.
Jack = 12
Amy = 2
2*2 (Amy) = 4
12 - 8 = 4 (we got 8 by subtracting amy's age from jack's age: 12-2=8)
4 is double 2.
Solve for b in the following equation. x/6 - 2 = 4 b = 24 b = 12 b = 1 b = 36
Answer:
-6
Step-by-step explanation:
your equation isnt in slope interecept form
y=mx+b
4=x/6-2 is what is see
so i would assume b is -6
The following scale drawing was made for a home that is for sale. Use this information to answer the problem.
A.)1 in. by 1.5 in.
B.)36 in. by 54 in.
C.)2 in. by 3 in.
D.)18 in. by 27 in.
Answer:
B.)36 in. by 54 in.
Step-by-step explanation:
It's a 1 to 6 ratio, so I did the dimensions(6 and 9) and multiplied each by 6.
What do I do where it says "Rewrite The False Statement To Make It True"?
Answer:
the rate of change is $50
Step-by-step explanation:
each ticket costs $50 not 100
What is the key step in helping solve equations?
Answer:
brain
Step-by-step explanation:
Use the power of logic Trust me
algebra
Answer:
PEMDAS
And also calculators
HELP IM STUCK
Directions: Answer all of the questions below, making sure to show your work. You may attach the work separately. Round to the nearest whole percent when necessary.
1. You really want to buy a new iPhone with money you received for Christmas. Last month the iPhone was priced at $999, and this month it is on sale for $699. What is the markdown between the two prices? What is the percent markdown?
2. Santa estimated that he needed to deliver 8,459 presents on Christmas night. After counting, the elves realized that Santa actually had to deliver 9,870 presents. Find the percent error.
3. In 2018, U.S. households spent an average of $1,536 during the Christmas holidays. In 2019, the average amount spent was $1,496. What is the percent change between spending in 2018 and 2019?
4. Looking at the lights on a Christmas Tree, Holly guessed that there were 228 lights on the tree. She found out later that there were actually 240 lights on the tree. Find the percent error.
5. On Christmas Day, the weatherman predicted that there would be 14 inches of snow. It ended up snowing only 9 inches on Christmas Day. What is the percent error?
6. Noel wanted to buy the video game Halo Infinite with a gift card he received for Christmas. Two months ago the price of the game was $49.99 and now the game is $65.99. What is the markup between the two prices? What is the percent markup?
7. The amount of carolers in the neighborhood Christmas caroling group was 20 last year. This year there were 28 people. What is the percent change between last year and this year?
8. You decide to buy your dad a new fishing rod for Christmas. The price of the rod was $59 with 8% sales tax. What was the amount of sales tax on the purchase? What was the total cost including sales tax?
9. Your mom wanted a new tart warmer for Christmas. You decide to buy her one from Scentsy for $20. The person who sold you the tart warmer makes 2.5% commission off your purchase. How much commission did they earn?
10. Part A: Out of Santa’s elves in his workshop, 80% finished making their toys early. If 24 elves finished working early, how many elves were in the workshop in all?
Part B: If 9 elves quit this year, what is the percent decrease in Santa’s elves?
answer for question ;
1. 39%
Answer: The answer is simply 1. 39
I calculated it :)
Which expression is equivalent to −6 + 8 − 3x − 9x?
A - −12x + 14
B - −12x + 2
C - 12x + 14
D - −12x − 2
The expression which is equivalent to −6 + 8 − 3x − 9x is: B) -12x + 2. So, option B is correct.
The expression −6 + 8 − 3x − 9x can be simplified by combining the like terms involving the variable x.
Adding the x terms together, you get:
−3x − 9x = -12x
Adding the constants together, you get:
-6 + 8 = 2
So, the simplified expression is:
2 - 12x
Among the provided options, the equivalent expression is:
B) -12x + 2
So, option B is correct.
To learn more on Expression click:
brainly.com/question/14083225
#SPJ3
Pls help me. I will do whatever
Answer:
1. yes
2. yes
3. no
4. no
5. yes
Step-by-step explanation:
Its the exact same thing as functions and I learned about those recently
Explain the cosine rule and sine rule while also saying how to use it and provide examples (keep it in simple terms)
Answer:
Sure, I'll explain the cosine rule and sine rule in simple terms:
The cosine rule (also known as the law of cosines) is used to find the length of a side or the measure of an angle in a triangle given the lengths of the other sides and the angle between those sides. It states that c^2 = a^2 + b^2 - 2ab cos(C), where c is the length of the side opposite angle C, and a and b are the lengths of the other two sides.
Here's an example of how to use the cosine
Suppose we have a triangle with sides a=6, b=8, and an angle between them c=45 degrees. We want to find the length of the remaining side of the triangle, side a.
Using the cosine rule:
a^2 = b^2 + c^2 - 2bc * cosA
where A is the angle opposite side a, we can plug in our values and solve for a:
a^2 = 8^2 + 6^2 - 2(8)(6) * cos(45)
a^2 = 64 + 36 - 96 * 0.707
a^2 = 10.56
a = sqrt(10.56)
a = 3.25 (rounded to two decimal places)
Therefore, the length of side a is approximately 3.25 units.
Answer:
Step-by-step explanation:
8th grade geometry-- will give 15 pts+ brainliest!!!!!!!!!!!! For this question i put reflection over the y axis, reflection over the x axis, then a translation 3 units down. If someone can please tell me if the last step i did is wrong or right, and if wrong then why. Tysm!
Answer:
you also have to translate 3 units to the right
Step-by-step explanation:
when you finished your reflections the coordinate of the point is (1, -1) while it should be (4, -4), that means you not only need to move it by 3 down but also to the right.
Q1 Write the number in expanded form for the significant digits ( as fractions)
117.000
20.018
13.265
3.4000
0.8100
Q2 - Write the difference in place value of the underlined digits
ex . 12.352 - 2 in the ones place is 1000x bigger than the 2 in the thousandths place
1568.156 ( both of the 5s are underlined)
03.3000 ( both of the 3s are underlined)
5164.66 ( both of the 6s are underlined
9.09 ( the 9s r underlined)
To write in expanded form is to simply mean writing each number into its place value.
15 point reward + brainliest for the CORRECT answer
Answer:
1. 2/3
2. 1/3
3. complentary
x-2y=3, x^2-2y=3, x^2-2xy+4y^2=11, find the value of x^2y-2xy^2
This is a system of three equations with two unknowns, x and y. To solve it, we can use the method of elimination. First, we can eliminate y by subtracting the first equation from the second equation:
x^2-2y=3 - (x-2y=3) => x^2-x=0
Then we can factor the resulting equation and find the values of x:
x^2-x=0 => x(x-1)=0 => x=0 or x=1
Next, we can substitute these values of x into any of the original equations and find the corresponding values of y. For example, using the first equation:
x-2y=3 => 0-2y=3 => y=-3/2 when x=0 x-2y=3 => 1-2y=3 => y=-1 when x=1
Finally, we can substitute these values of x and y into the expression x2y-2xy2 and evaluate it:
x2y-2xy2 => 02(-3/2)-2(0)(-3/2)2 => 0 when x=0 and y=-3/2 x2y-2xy2 => 12(-1)-2(1)(-1)2 => -3 when x=1 and y=-1
Therefore, the value of x2y-2xy2 can be either 0 or -3 depending on the values of x and y.
solve 2 1/4 divided by 3/8
Answer:
Step-by-step explanation:
Let's convert 2 and 1/4 into an improper fraction: 9/4
\(\frac{(9/4)}{(3/8)}\)\(= (9/4) * (8/3) = 6\)
Answer:
6
Step-by-step explanation:
make 2 1/4 into a mixed fraction
9/4
then change the division symboly to multiplication
and lastly flip 3/8 to 8/3
the solve 9/4 * 8/3
9*8=72
4*3=12
72/12=6
What is 6 x 122
pls help
Answer:
EZ 732
Step-by-step explanation:
Because 6*122=732
A photograph measures 5 inches wide and 7 inches long. If you have the photograph enlarged to fit a frame 49 inches long, what is the widest the photograph can be?
A label is placed around a soup can during manufacturing. If the label is represented by the rectangle in the figure, how many square inches is the label? Answer in terms of π.
image of a net drawing of a cylinder is shown as two circles each with a radius labeled 4 inches and a rectangle with a height labeled 7.8 inches
94.4π square inches
32π square inches
30.1π square inches
62.4π square inche
Answer:D 62.4TT square inches
Step-by-step explanation:
Given the two parallel lines, determine the measure of x.
Answer:
d one is right ans.........
55 degrees because 125 degrees is the measure of the adjacent angle of x.
Which expression is equivalent to (0.5n−0.3)−(0.8n−0.9)?
Answer:
-0.3n + 0.6
Step-by-step explanation:
if we write out the entire expression we have:
0.5n - 0.3 - 0.8n + 0.9 (two negative signs create a positive sign)
then we add and subtract
and receive
-0.3n + 0.6
Answer:
-0.3n + 0.6
Step-by-step explanation:
We can eliminate the parentheses, obtaining:
0.5n - 0.3 - 0.8n + 0.9
and then combine like terms, obtaining:
-0.3n + 0.6
A school club sold 300 shirts. 31% were sold to fifth graders, 52% were sold to sixth graders, and the rest were sold to teachers. How many shirts were sold to each group-fifth graders, 6th graders, and teachers? Explain or show your reasoning. Please help I'm late on turning in homework!
Answer:
5th graders = 93 people 6th graders = 156 teachers = 51
Step-by-step explanation:
93 5th graders bought shirts, 156 6th graders bought shirts, 51 teachers bought shirts
Help pls. I'll mark as brainlist.
1 feet = 12 inches
So, it's proportional2. The number of cookies baked and the minutes in the ovenSo, it's not proportional3. One bread needs a fixed grams of flourSo, it's proportional4. Since s = vtSo, it's proportional5. One gallon of gasoline cost's a fixed prince.So, it's proportionalNote : We just need to judge whether it accords with "y = kx"
{Proportional relationship}
PEDMAS?
Example 1:
3+8(4-2)-7
Parentheses First = 3+8(2)-7
Exponents-none
Multiply/Divide 3+16-7
Add/Subtract 19-7 = 12
Example 2:
32-(9-5)+7x3-8÷2
Parentheses 32-(4)+7x3-8÷2
Exponents 6-4+7x3-8÷2
Multiply/Divide 6-4+21-4
Add/Subtract 2+17=19
Review
Directions: Compute the answers using PEMDAS.
1) 7 x 5 + 3=
2) 8 - (6 + 2)=
3) 10 - 6 + 5=
4) (21 3) x 2=
5) (12 6) + 6=
6) 3 + 10 5=
7) 8 + 4 - 2=
8) 7 + 5 - 5=
9) 16 8 - 1=
10) (20 - 17) - 3=
11) 8 + 2 - 7=
12) 18 (4 + 2)=
13) 8 - 6 + 7=
14) 5 - (18 6)=
15) 2 + 13 - 4=
16) (7 - 4) + 3=
17) 9 - 7 + 4=
18) 2 x 6 3=
19) 15 5 + 4=
20) 8 + 6 - 4=
Answer:
1. 38
2. 0
3. -1
4. 14
5. 8
6. 5
7. 10
8. 7
9. 1
10. 0
11. 3
12. 2
13. 5
14. 3
15. 11
16. 6
17. 2
18. 4
19. 7
20. 10
Step-by-step explanation:
Find the number of ways to listen to four CDs from a selection of 8 CDs. A) 1680 B) 336 C) 70 D) 50 pls aslo explain why..
Answer:
a) 1680
The number of ways to listen to four CDs from a selection of 8 CDs = 1680
Step-by-step explanation:
Explanation:-
Given data the number of CD' s n = 8
We have to selected '4' CD' s from total '8' CD's
By using permutations
The number of ways to listen to four CDs from a selection of 8 CDs.
= \(8_{P_{4} }\)
we know that
\(n_{P_{r} } = \frac{n!}{(n-r)!}\)
\(8_{P_{4} } = \frac{8!}{(8-4)!} = \frac{8 X 7 X 6 x 5 X 4!}{4!} = 1680\)
The number of ways to listen to four CDs from a selection of 8 CDs = 1680
Someone help me with this ASAP!
Answer:
48.1 somewhere around 36 and 57
Step-by-step explanation:
Answer:
36-57
Step-by-step explanation:
18.50 x 2.6 = 48.10, which is between those two numbers
10 POINTS PLEASE HELP the arthemitic mean of 5, 10, 15, and z is 20. what is z
Answer:
z = 50
Step-by-step explanation:
There are 4 numbers in total (5,10,15,z)
The mean is when you get the total of all the numbers and divide by how many there are
If you do the inverse then that means that 20 x 4 = total of all 4 numbers
80 = 15 + 10 + 5 + z
80 = 30 + z
z = 80 - 30
z = 50
You can check you answer at the end
hope this helps :)
7th grade math I'll give brainliest
Answer:
Step-by-step explanation:
Rise over run is the slope, m
m=2/5
a) the slope is 2/5 = .4 which is below the boundary guideline. So no this is not with in carpenter's guidelines
b) the image below show a line with slope 2/5 but with intercept 3
c) the stairs can be draw on the line with rise 2 run 5 from the line. see image
d)equation is in image
2.
a) count the squares
horizontal distance =3
vertical distance =3
b) slope is vertical distance over horizontal distance so m= 3/3 =1
Consider the situations in the table below
Situation A: A hang glider descended 33.57 feet, and then ascended 14.98 feet.
Situation B: A football team gained 7 2/5 yards in one play, and then lost 3/5 of a yard in the next play.
Situation C: A hiker walked 3 1/6 miles yesterday and 2 1/2 miles today.
Situation D: A worker earned $23.66 Monday and spent $15.84 Tuesday.
Calculate the sum of each situation. Order the situations from least to greatest based on the numeric value of the sums.
Answer:
Step-by-step explanation:Situation A: The hang glider descended 33.57 feet and again ascended 14.98. So 33.57 - 14.98 = 18.58. So now the hang glider is at 18.58 feet
Situation B: Initially they gained 7 2/5 yards and then lost 3/5 yards.
7 2/5 yards can be written as 37/5. As they lost 3/5 yards, 37/5 - 3/5 = 34/5. So the remaining yards are 34/5 yards.
Situation C: Hiker walked 3 1/6 miles and then 2 1/2 miles. So the total distance is 3 1/6 + 2 1/2 = 5 4/6 miles.
Situation D: Total amount earned is $23.66 + $15.84 = $39.5.
Answer:
Step-by-step explanation:Situation A: The hang glider descended 33.57 feet and again ascended 14.98. So 33.57 - 14.98 = 18.58. So now the hang glider is at 18.58 feet
Situation B: Initially they gained 7 2/5 yards and then lost 3/5 yards.
7 2/5 yards can be written as 37/5. As they lost 3/5 yards, 37/5 - 3/5 = 34/5. So the remaining yards are 34/5 yards.
Situation C: Hiker walked 3 1/6 miles and then 2 1/2 miles. So the total distance is 3 1/6 + 2 1/2 = 5 4/6 miles.
Situation D: Total amount earned is $23.66 + $15.84 = $39.5.
Step-by-step explanation:
Questions 1 and 4
Please help ASAP bc it is due tmr
Answer: explanation
Step-by-step explanation:
I am unsure about number 1, but for number 4, you have to fund the unit rate.
Answer:
Answer for Number 1: 54 1/2
Answer for Number 4: $2.36
Step-by-step explanation:
Explanation for number 1:
1. length x width = area right? So area divided by length = width!
159 3/8 divided by 18 3/4 = 8 1/2
2. width + width + length + length = perimeter right? Now you know the
width, you can do...
8 1/2 + 8 1/2 + 18 3/4 + 18 3/4 = 54 1/2
Explanation for number 4:
1. You know that 4 cup = 1 quart right?
9.44 = 1 quart
2. So you divide it:
9.44 / 4 = $2.36
Two small circles are drawn that touch each other, and both circles touch the large circle. 7 in. 7 in. Which is closest to the area of the shaded region?
*the photo is much better*
Please Double check you're work
Answer:
308 inches
Step-by-step explanation:
since the two radiuses of the small circles become the diameter of the big circle, you can substitute 14 into the equation A= pi r^2 to get A=pi(14)^2, which gets you 615 inches. But then you have to subtract the area of two of the small circles, which if you add them two up, you get 307.87 inches. Then, you subtract the area of the big circle with the two small circles to get 307.87, which is closest to 308 inches.
Answer:
Area of shaded region = 307.88 inch ^2
= 308 inch^2
Step-by-step explanation:
Radius of smaller circle = 7 inch radius
Area of SC = π * 7^2
= 153.93804
= 153.93 inch^2
2 x 7 = 14 (for main radius as two circles touching each other inscribed
would translate as R = 2r.
Area of two circles = 2 * 153.93804 = 307.87608
= 307.88 inch^2
Area of whole large circle
Area LC = π * 14^2
= 615.75216
Area of shaded region
Area of Sh Region = 615.75216 - 307.87608 =307.87608
= 307.88 inch ^2