Answer:
12*k=84
k = 7
Step-by-step explanation:
Product means multiply and is means equals
12*k=84
Divide each side by 12
12k/12 = 84/12
k = 7
A friend bought 2 boxes of pencils and 8 notebooks for school, and it cost him $11. He went back to the store the same day to buy supplies for his younger brother. He spent $11.25 on 3 boxes of pencils and 5 notenooks. How much would 9 notebooks cost?
Answer:
9 notebooks would cost $6.75
Step-by-step explanation:
How I solved this problem was by taking the data and writing it out first.
During one trip, he got 2 boxes of pencils and 8 notebooks for $11.00
During the second trip, he got 3 boxes of pencils and 5 notebooks for $11.25
This led me to believe that the boxes were definitely more expensive than the notebooks, as there were many notebooks bought during the first trip, yet that trip was cheaper than the second. So, by the process of elimination, I started off the value of the notebooks to be $0.50, and the boxes of pencils to be $3.00, and I continued to experiment with values until I found two values that would work in both scenarios, the values being $2.50 for a box of pencils, and $0.75 for a notebook. (I know there's likely an easier way of doing this, but I haven't done a problem like this in a while, and this method works just fine. It's just a bit more time consuming.)
1st Case: 2(2.50) + 8(0.75) = 11
2 times 2.50 equals 5, and 8 times 0.75 equals 6. 5 added to 6 gives you a sum of 11.
2nd Case: 3(2.50) + 5(0.75) = 11.25
3 times 2.50 equals 7.50, and 5 times 0.75 equals 3.75. 7.50 added to 3.75 gives you a sum of 11.25
Now that it is known how much each notebook costs ($0.75), you would take that value and multiply it by 9, since you're wanting to know how many 9 would cost, and this gives you a product of $6.75.
I hope this helps :)
Answer:
it would cost £6.75
Step-by-step explanation:
Which statement is correct?
The range of the graph is all real numbers less than
or equal to 0.
The domain of the graph is all real numbers less than
or equal to 0.
O The domain and range of the graph are the same.
The range of the graph is all real numbers.
Answer:
The answer is D.
Step-by-step explanation:
You cannot have the range of a number in negative numbers. The range will always be in positive numbers, and the range will never be in a fraction.
The range of the graph is all real numbers.
Each domain and range are the set of all actual numbers. however, due to the fact, absolutely the fee is described as a distance from 0, the output can only be greater than or identical to zero. The domain is all real numbers since the horizontal extent of the graph is the complete real range line.
Why are the range all real numbers?For any actual quantity, you may continually find a price that gives you that wide variety for the output. Except a linear function is a regular, together, there's no restriction at the range. The domain and range are all real numbers.
Learn more about the range here https://brainly.com/question/2264373
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Mia made 5 pies. What fraction represents all of the pies?
5/10, 5/1, 5/5, 1/5
Answer:
5/5
Step-by-step explanation:
So imagine you have 1 pie, and its fresh out of the oven so its still hole, that makes it 1/1 or ! whole, the same with 5 because the pies are still whole and not eaten its 5/5
3(1−2)<33
I need answers ASAP
And could u explain how to do it if possible
I will give brainliest!,
Answer:
true
Step-by-step explanation:
3(1)+3(-2)
3+(-6)=-3
-3<33 is true
What is the answer to this question?
Answer:
The answer is 480 in^3
Step-by-step explanation:
Right rectangular prism calc - find V
volume = h * w * l where h is prism height, w is its width and l its length.
What’s the answer???
And please explain
Answer:
35 square units
Step-by-step explanation:
[tex]area \: of \: { \parallel}^{gm} = b \times h \\ = 7 \times 5 \\ = 35 \: {units}^{2} [/tex]
if f(x) = -x+5 and g(x) = x^2 , what is (g º f)(-1)
can you show me a picture then maybe i can help you
place holder for the question
Answer:
36cm²
Step-by-step explanation:
area of a parallelogram is base×height so
6×6=36
Answer:
36 square cm
Step-by-step explanation:
The equation to find the area of a parallelogram is b(h)
6(6)=36
Hope this helps :)
The length of a rectangle is 5 cm longer than its width.
If the perimeter of the rectangle is 30 cm, find its area.
Equation To write :2 {x+ ( x+5) }=30
Let's solve your equation step-by-step.
2(x+x+5)=30
Step 1: Simplify both sides of the equation.
2(x+x+5)=30
(2)(x)+(2)(x)+(2)(5)=30(Distribute)
2x+2x+10=30
(2x+2x)+(10)=30(Combine Like Terms)
4x+10=30
4x+10=30
Step 2: Subtract 10 from both sides.
4x+10−10=30−10
4x=20
Step 3: Divide both sides by 4.
4x
4
=
20
4
x=5
So... x+5=10.
Area =5x10=50 cm squared.
Answer:
5
Step-by-step explanation:
Okay, so P = perimeter, and the problem says P = 30
Let's call x the width, and y is the length.
In the perimeter formula, 2X + 2Y = P
so 2X + 2Y = 30
The problem also tells us that that x = y+5, so now let's do some substituting and replace X with Y+5
2(y+5) + 2Y = 30
2y+10 +2Y = 30
4y+10=30
-10. -10
4y=20
Y=5
TRIED MY BEST PRETTY SURE ITS RIGHT
Find the least common denominator (LCD) of
3
7
and
5
8
Answer:
56
Step-by-step explanation:
7 is a prime number
7*8 = 56
The least common denominator is 56
3/7 * 8/8 = 24/56
5/8*7/7 = 35/56
Answer:840
Step-by-step explanation:
If sales tax is 10 percent, and a new palr of sneakers costs
$70, how much do you actually have to pay?
Answer:
77
Step-by-step explanation:
10 percent of 70 is 7 so 70 plus 7 is 77
Answer:
77
Step-by-step explanation:
70 x 10%= 7
70+7= 77
A data set has a lower quartile of 3 and an interquartile range of 5. Which box plot could represent this data set?
0
5
10
15
20
25
5
10
15
20
25
5
10
15
20
25
5
10
15
20
25
Which box plot could represent this data?
Answer:
First box plot
Step-by-step explanation:
In the figure attached, the options are shown.
The left end of the box is the lower quartile (also called quartile 1 or Q1)
The right end of the box is the upper quartile (also called quartile 3 or Q3)}
The interquartile range (IQR) is computed as follows:
IQR = Q3 - Q1
If Q1 = 3 and IQR = 5, then Q3 = 5 + 3 = 8
The first box plot is the only one with a lower quartile of 3 and an interquartile range of 5
The box plot that could represent a data set that has an interquartile range of 5 is the box plot shown in the image attached below (see attachment).
What is Interquartile Range (IQR)?Interquartile range (IQR) of a data set is the distance between the lower quartile (Q1) and the upper quartile (Q3) on a box plot.
Thus, a box plot that has a lower quartile of 3 and interquartile range of 5 will have a distance of 5 from the lower quartile to the upper quartile.
Therefore, the box plot that could represent a data set that has an interquartile range of 5 is the box plot shown in the image attached below (see attachment).
Learn more about interquartile range on:
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A recipe says that 3/4 cup of water is needed to make 1 loaf of bread which measurements represents the number of cups of water needed to make 8 loaves of bread
Answer:
i think six cups?
Step-by-step explanation:
i took 3/4 and multiplied it by 8 and got 6
i need to know how to do this one!!!!!!!!!!!! its to raise my grade!!!!!!!!!!
Evaluate the radical.
27−−√3
Enter your answer in the box.
Answer:
27+square root to 3 is 28.73205081
Step-by-step explanation:
Hope I helped
Twenty people apply for an open position at an accountant's office. The distribution of ages of the applicants is shown in the box plot.
Distribution of Applicant's Ages
How many of
age in years
the applicants have ages that fall within the box of the box plot?
Please help!!!!
Answer:
The number of applicants that have ages that fall within the box of the boxplot = 10.
Step-by-step explanation:
box plot is constructed from five values: the minimum value, the first quartile, the median, the third quartile, and the maximum value.
The boxplot usually consists of a box and a whisker plot.
The whiskers represent data that is less than the first quartile or 25th percentile and data that is more than the third quartile or 75th percentile.
The box of the boxplot is bounded by the first quartile or 25th percentile and the third quartile or 75th percentile.
Hence, the fraction of the distribution that is usually contained in the box of the boxplot is (75 - 25), 50% of the distribution.
The total number of applicants = 20
50% of 20 = 10.
Hence, the number of applicants that have ages that fall within the box of the boxplot = 10
Hope this Helps!!!
Can someone help me ASAP? I don’t understand some answers because don’t the trees take in carbon to photosynthesize but won’t the deers also release carbon by cellular respiration?
A herd of deers lives in a forest where they eat the leaves of trees. The number of energy storage molecules in the tress and in the deers has increased. What has happened to the amount of carbon in the trees and in the deer?
The amount of carbon in the trees and in the deer . . .
A) has increased.
B) has decreased.
C) has not changed.
D) is not related to the number of energy storage molecules.
Answer:
a
Step-by-step explanation:
it makes sence for the answer to be a because
Answer:
The amount of carbon in the trees and in the deer . . .
A) has increased.
Explanation:
Carbon is the basis for all living cells, it is responsible for the making and storing of energy. So if the number of energy storage molecules increases, the amount of carbon will increase because carbon is used to make those molecules.
Your question on carbon dioxide and photosynthesis having an effect is valid, but the loss of carbon wouldn't be much compared to the energy storage molecules, so we wouldn't consider that a factor in this case.
Evaluate.
Remember Order of Operations!
PEMDAS)
100 = 5 x
(4 + 2)
ANSWER: 100=5*6
100=30
HOPE IT HELPS!
Answer:
x = 3 1/3
Step-by-step explanation:
Let's go over the order of operations.
P: Parentheses
E: Exponents
M/D: Multiplication/division (in order of appearance)
A/S: Addition/Subtraction (in order of appearance)
100 = 5*(4 + 2)
Since there are values in parentheses, solve those first: 100 .= 5x(6).
Next, multiply 5x by 6. 100 = 30x.
Finally, divide each side by 30 to find the value of x. 3 1/3 = x
Therefore, the value of x is 3 1/3.
(Note: this is assuming the term "x" is a variable, and not the multiplication sign, *.)
Which point is the centroid of the triangle?
Question 5 options:
A)
D
B)
G
C)
F
D)
C
Answer:
The answer is B) G
Step-by-step explanation:
G is at the center of the triangle. It is a centroid because it is where all the medians meet.
What is 10,000 written as a power with a base of 10? Enter your answer in the box
The exponent tells you how many times ten is to be multiplied by iteslf to equal the number you wish to write. For example, 100 can be written as 10x10 = 102. 10,000 = 10x10x10x10 = 104.
Answer: 10*10^3 or 10^4
Step-by-step explanation:
Simplify the expression
Answer:
x^(3)y^(4)\sqrt(2)
Step-by-step explanation:
The circle above has a radius of 12 cm. What is the area of the circle? Use = 3.14
Answer:
452.39
Step-by-step explanation:
C=[tex]\pi[/tex]r 2
C= 3.14 times 12(2)
Look at the attached picture
Hope it will be helpful to you...
Find f (8) when f (x)=-26/x+7
Answer:
Step-by-step explanation:
f(x) = 26/x + 7
[tex]f(8)=\frac{-26}{8}+7\\\\=-3.25+7\\\\=3.75[/tex]
Using the image below to answer the question. Using the segment addition postulate find the value of X
The value of x is 13. Therefore, option B is the correct answer.
Given that, EF=7x+9, FG=3x+4 and EG=143.
What is a line segment?A line segment is a part of a line that connects two points which are considered to be its endpoints. It is the distance between two points that can be measured.
Now, EG=EF+FG
⇒143=7x+9+3x+4
⇒10x+13=143
⇒10x=130
⇒x=13
The value of x is 13. Therefore, option B is the correct answer.
To learn more about the line segment visit:
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BRAINLIEST AGAIN!! Hurry! <-w->
2.) What is the volume of the sculpture. Use 3.14 for π.
*Volume of the sculpture
= Volume of the cube - Volume of the cylinder
*Volume of the cube = s³ (side x side x side)
*Volume of the cylinder = πr²h (3.14 x radius x radius x height)
which of the following equations does not have a solution of x = 6?
Answer:
blue box x-22=28
Step-by-step explanation:
message me
Answer:the blue square since it would become -28
Step-by-step explanation:
What is the perimeter of an optician
Answer:
Depends on their size, higher, and width.
Step-by-step explanation:
What is the area of the triangle shown below?
Answer:
65
Step-by-step explanation:
In order to find the area you have to complete a formula for triangles going Area = 1/2 bh ( bh means base time the height height is the 13 and the base is the 10 in the photo.)
someone please help me haha
Step-by-step explanation:
6(2x^2 - x - 28)
6(2x + 7)(x - 4)
Bus a and bus b leave the bus depot at 6pm bus A takes 20 minutes to do its route and bus B takes 45 minutes to complete its route at what time are they both back at the bus depot together
Give your answer as a 12-hour clock time
Answer:
9:00pm
Step-by-step explanation:
20 + 20 + 20 +20 + 20 + 20 + 20 + 20 +20 = 180
45 + 45 + 45 + 45 = 180
Bus A would've taken 9 routes and Bus B would've taken 4, to reach the bus depot together
180 mins - hours = 3 hours
6 + 3 = 9
Write the equation of the line that passes through (5, -12) and has a slope of 6
Answer:
y + 12 = 6(x - 5)
Step-by-step explanation:
Use the point-slope formula: y - k = m(x - h).
Here we have y + 12 = 6(x - 5)
