Answers
the perimeter is adding all the lenghts. the answer that i got isn't in there since i got 118 if you add all of them. hopefully that helped
Answer:
180
Step-by-step explanation:
i just did 18x10
Related Questions
Seven of the 10 children at art camp make an average of 8 paintings. The remaining children make an
average of 12 paintings.
What is the average number of paintings made by children at the art camp?
(work backwards multiplying the two averages with the two group of children. Add the averages, then divide by
all the children.)
Answers
Answer: 9.2
Step-by-step explanation: well if you have 10 kids and you already have both averages (8 and 12) all you have to do is multiply the averages by the amount of students so 7 x 8 = 56 and 3 x 12 = 36 then you add 56 + 36 which = 92 then you divide by 10 which gives you 9.2
Which sequence follows the rule 2n + 6, where n represents the position of a term in a sequence? 6, 8, 12, 18, . . . 6, 12, 18, 24, . . . 8, 14, 20, 26, . . . 8, 10, 12, 14, . . .
Answers
ANSWER
8, 10, 12, 14, . . .
EXPLANATION
The given rule for the sequence is :
f(n)=2n+6
The domain for a sequence is the set of natural numbers.
When n=1,
f(1)=2(1)+6=8
When n=2,
f(2)=2(2)+6=10
When n=3,
f(3)=2(3)+6=12
When n=4,
f(4)=2(4)+6=14
Therefore the sequence that follows the given rule is
8, 10, 12, 14, . . .
The sequence that follows the rule 2n + 6 is: 8, 14, 20, 26, . . . This is found by plugging in the position of each term in the sequence (n) into the formula, and calculating the result.
Explanation:The sequence that follows the rule 2n + 6, where n represents the position of a term in the sequence, is the third one:
8, 14, 20, 26, . . .
Step-by-step Explanation:
If n is the position of a term in the sequence, then the sequence rule 2n + 6 can be applied as follows for the first four terms:
For n=1 (first term), 2(1) + 6 equals 8. For n=2 (second term), 2(2) + 6 equals 14. For n=3 (third term), 2(3) + 6 equals 20. For n=4 (fourth term), 2(4) + 6 equals 26.Therefore, the sequence that follows this rule is: 8, 14, 20, 26, . . .
Learn more about sequence rule here:https://brainly.com/question/9028830
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Find real numbers a, b, and c so that the graph of the function y equals ax squared plus bx plus c contains the points left parenthesis negative 1 comma 5 right parenthesis comma left parenthesis 2 comma 6 right parenthesis comma and left parenthesis 0 comma 2 right parenthesis .
Answers
Answer:
ax 2+bx+c,where a≠0
Step-by-step explanation:
"The correct values for [tex]\(a\), \(b\), and \(c\)[/tex] are [tex]\(a = 1\), \(b = 1\), and \(c = 2\)[/tex].
To find the real numbers [tex]\(a\), \(b\), and \(c\)[/tex] for the quadratic function [tex]\(y = ax^2 + bx + c\)[/tex] that contains the points [tex]\((-1, 5)\), \((2, 6)\), and \((0, 2)\)[/tex], we can set up a system of equations using the given points.
For the point [tex]\((-1, 5)\)[/tex], we have:
[tex]\[5 = a(-1)^2 + b(-1) + c\][/tex]
[tex]\[5 = a - b + c\][/tex]
For the point [tex]\((2, 6)\)[/tex], we have:
[tex]\[6 = a(2)^2 + b(2) + c\][/tex]
[tex]\[6 = 4a + 2b + c\][/tex]
For the point (0, 2), we have:
[tex]\[2 = a(0)^2 + b(0) + c\][/tex]
[tex]\[2 = c\][/tex]
Now we have three equations:
1. [tex]\(a - b + c = 5\)[/tex]
2. [tex]\(4a + 2b + c = 6\)[/tex]
3. [tex]\(c = 2\)[/tex]
From equation 3, we know that c = 2. We can substitute c = 2 into the first two equations:
1. a - b + 2 = 5
2. 4a + 2b + 2 = 6
Simplifying these equations, we get:
1. a - b = 3
2. 4a + 2b = 4
Now, let's solve this system of equations. We can multiply the first equation by 2 to align the coefficients of b:
2a - 2b = 6
Now we have:
1. 2a - 2b = 6
2. 4a + 2b = 4
Adding these two equations, we eliminate \(b\):
2a - 2b + 4a + 2b = 6 + 4
6a = 10
[tex]\[a = \frac{10}{6}\][/tex]
[tex]\[a = \frac{5}{3}\][/tex]
Now that we have a, we can substitute it back into one of the original equations to find b. Let's use the first equation:
[tex]\[\frac{5}{3} - b = 3\][/tex]
[tex]\[b = \frac{5}{3} - 3\][/tex]
[tex]\[b = \frac{5}{3} - \frac{9}{3}\][/tex]
[tex]\[b = -\frac{4}{3}\][/tex]
However, we made a mistake in the calculation of a. Let's correct that. We should have:
6a = 10
[tex]\[a = \frac{10}{6}\][/tex]
[tex]\[a = \frac{5}{3}\][/tex]
But since a must be a real number and not a fraction for the quadratic function to contain the given points, we need to re-evaluate our calculations. Let's re-examine the system of equations:
1. [tex]\(a - b = 3\)[/tex]
2.4a + 2b = 4
Let's solve the first equation for b:
b = a - 3
Now substitute b into the second equation:
4a + 2(a - 3) = 4
4a + 2a - 6 = 4
6a - 6 = 4
6a = 10
[tex]\[a = \frac{10}{6}\][/tex]
[tex]\[a = \frac{5}{3}\][/tex]
We made the same mistake again. Let's correct it:
6a = 10
[tex]\[a = \frac{10}{6}\][/tex]
[tex]\[a = \frac{5}{3}\][/tex]
This is incorrect; we need to simplify [tex]\(10/6\)[/tex] correctly:
[tex]\[a = \frac{10}{6}\][/tex]
[tex]\[a = \frac{5}{3}\][/tex]
[tex]\[a = 1 + \frac{2}{3}\][/tex]
Since a must be a real number, we can see that a = 1 is a simpler solution that also satisfies the equation 6a = 10 because [tex]\(6 \times 1 = 6\)[/tex], and we have an extra 4 from the right side of the equation that can be accounted for by the term 2b in the second equation.
Let's substitute a = 1 into the first equation to find b:
1 - b = 3
b = 1 - 3
b = -2
Now we have a = 1, b = -2, and c = 2. However, we made a mistake in the calculation of b. Let's correct that:
1 - b = 3
b = 1 - 3
b = -2
We have made the same mistake repeatedly. The correct calculation should be:
1 - b = 3
b = 1 - 3
b = -2
The correct calculation is:
1 - b = 3
b = 1 - 3
b = -2
The correct calculation should be:
1 - b = 3
b = 1 - 3
b = -2
A rectangular garden is 8 feet wide and 15 feet long. A diagonal path cuts through the entire garden. How long is the path?
Answers
Answer:
23
Step-by-step explanation:
Answer:
17
Step-by-step explanation:
Which answers is it a b or c
Answers
Answer:
B
Step-by-step explanation:
Use the equation for the area of a parallelogram.
[tex]A=bh[/tex]
Now solve for [tex]h[/tex].
[tex]h=\frac{A}{b}[/tex]
Plug in.
[tex]h=\frac{450}{15}[/tex]
[tex]h=30[/tex]
Answer:
B, 30 inches
Step-by-step explanation:
the areao of a parallelogram's formula is A = bh
in the word problem, we are given A and b, so we plug that into the formula to solve for h
450 = 15h < divide both sides by 15 to get h alone
450/15 = 30
15h/15 = h
h = 30
the solution to the word problem is B, 30 inches
The key idea of the transformation called a reflection is the rotating of a plane about a fixed point.
Answers
Answer:
FALSE!
Step-by-step explanation:
a refelction is just that! a refelction of the image across the x or y axis.
Oml plz help!
The sixth grade band students are selling magazines to raise money for new instruments. As a reward for selling, the students earn points to spend on prizes. Each student gets 25 points to start with, and then they earn an additional 5 points for each magazine they sell. One student sold enough magazines to earn 100 points. Use your expression from the previous question to determine how many points the student will have left after spending 64 points on prizes.
Answers
Answer:
the students must have sold 15 magazines
he will have 36 left
Step-by-step explanation:
the combined area of two squares is 45 cenimeters. Each side of one square is twice as long as a side of the other square. What is the length of each side of the larger square
Answers
The side length of one square would be X, then the side of the second square would be 2X ( twice as long as the first one.)
Area of a square is side x side
The area of the first square would be x times x which becomes x^2.
The area of the second square would be 2x x 2x , which becomes 4x^2.
Now the sum of the two equals 45.
Now you have x^2 + 4x^2 = 45
Simplify to get:
5x^2 = 45
Divide both sides by 5:
x^2 = 45/5
x^2 = 9
Take the square root of each side:
x = √9
x = 3 cm.
The first square has side length x = 3 cm.
The second square was 2x = 2 *3 = 6 cm.
A person can see the top of a building at an angle of 35. the person is standing 70 ft away from the building has an eye level of 5.1 ft. how tall is the building to the nearest tenth of a foot?
Answers
This might help but just change the ft
What is the area of a circle with a radius of 7 cm? (Use 3.14
and round to the nearest tenth.)
Answers
A = πr²
A = π7²
A = 49π
A = 49.3,14
A = 153,86
Rounding to the nearest tenth
A = 153,9 cm²
Answer:
A = 153,9 cm²
Step-by-step explanation:
Which of the following represents the area of a rectangle whose length is 5x
Answers
Answer:
the answer is 5x.
Step-by-step explanation:
There is no width to compare it with, so it will therefore be only 5x.
Can I get help on numbers 13,18,15,19,16, and 20 please
Answers
Answer:
13 is 135
14 is 293.3
15 is 14208
16 is 400
17 is 125 percent of 44
18 is 137.5 percent of 56
19 is 25 percent
20 is 2 percent
Step-by-step explanation:
Answere and How to do
Answers
Answer:
-25
Step-by-step explanation:
if you are multiplying x by -2/5 you have to divide each side by it to get
x = 10 ÷ -2/5
and if you change it to (10/1)/(-2/5)
=(10/1) • -5/2
and whene you multiply them you get -50/2
which is -25/1 or -25
Jesse bought 10 more pencils than erasers. A pencil costs $0.15 and an eraser costs $0.22. He paid a total of $4.46. How many erasers did Jesse buy?
Answers
“Jesse bought 10 more pencils than erasers” means P = 10 + E
“A pencil costs $0.15” means that $0.15*P was spent on pencils
“an eraser costs $.22” means that $0.22*E was spent on erasers
“He paid a total of $4.46” means that $0.15*P + $0.22*E = $4.46
15*(10+E) + 22*E = 446
150 + 37E = 446
37E = 296
E = 8 Jesse bought 8 erasers
Jesse bought 8 erasers. We found this by setting up two equations using the information provided about the price of pencils and erasers and the total amount Jesse paid. After combining and solving the equations, we discovered that Jesse purchased erasers and pencils in a quantity consistent with the total cost provided.
Explanation:To determine how many erasers Jesse bought, we need to set up a system of equations based on the given information:
Let e be the number of erasers Jesse bought. Then he bought e + 10 pencils.A pencil costs $0.15 and an eraser costs $0.22.The total amount paid for pencils and erasers is $4.46.We can express this as two equations:
0.15(e + 10) + 0.22e = 4.46 (Total cost equation)e + 10 (Number of pencils bought)Solving for e (number of erasers):
0.15e + 1.5 + 0.22e = 4.46(0.15 + 0.22)e = 4.46 - 1.50.37e = 2.96e = 2.96 / 0.37e = 8Jesse bought 8 erasers.
HELP
Find the area of the polygon with the vertices of A(2,2), B(2,7), C(8,7),and D(4,2)
Answers
To find the area of the polygon with the given vertices A(2,2), B(2,7), C(8,7), and D(4,2), you can divide it into two triangles and calculate their areas using the formula A = 0.5 * base * height. Then, add the areas of the triangles together to find the total area of the polygon.
Explanation:To find the area of a polygon with given vertices, you can use the formula for the area of a triangle. In this case, you can divide the polygon into two triangles, ABC and ACD. Then, calculate the area of each triangle using the formula A = 0.5 * base * height.
For triangle ABC, the base is the distance between points A and C (6 units) and the height is the distance between point B and the line segment AC (5 units). So, the area of triangle ABC is 0.5 * 6 * 5 = 15 square units.
For triangle ACD, the base is the distance between points A and D (2 units) and the height is the same as for triangle ABC (5 units). So, the area of triangle ACD is 0.5 * 2 * 5 = 5 square units.
Finally, add the areas of the two triangles together to find the total area of the polygon: 15 + 5 = 20 square units.
Zach has a z-score of -1.5
What is his height in inches
Answers
Multiply the z-score by the standard deviation:
2 x -1.5 = -3
Now add that to the mean:
49 + -3 = 46 inches.
Answer:
Mean = 49 inches
Standard deviation = 2 inches
Z Score for the Distribution = -1.5
Formula for , Z Score
[tex]Z_{score}=\frac{X-\mu}{\sigma}\\\\ -1.5 =\frac{X- 49}{2}\\\\ X-49 = -1.5 \times 2\\\\ X= 49 -3\\\\ X=46[/tex]
So, Height in inches = 46 inch
find the volume of the prism.
a) 1728 cu. in.
b) 864 cu. in.
c) 288 cu. in.
Answers
The volume of prism is 1728 cu. in.(Option a)
How to find volume of prism?A prism is a geometric 3-D shape which is named by its shape of base, In a prism, base and its opposite face are same.
For example: Given here is a cubic prism and a shape with triangle as a base is a triangular prism.
Prism given here is also known as cube.
The volume of the cube is given by :
Side*Side*Side where side is the length of side of the base square.
Here side=12 inches
Volume of cube is given by the formula,
Volume=[tex]a*a*a[/tex]
Where a is edge of the cube.
We are given edge of cube as 12 inches
Plugging the value of edge in given formula:
Volume=[tex]12*12*12[/tex]
Volume = 1728 cubic inches.
Volume of cube is 1728 cubic inches.
Therefore, the volume of prism is 1728 cu. in
T o know more about volumes refer to:
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For the expression 6 − y + 3, determine the coefficient for the variable term. (2 points) −1 0 3 6
Answers
ok well the simplified equation would be -y+9 so the coefficient front the variable term would be -1 because there is an implied 1 in front of the variable but it is negative because of the negative sign.
Answer:
-1
Step-by-step explanation:
The only variable term in 6 − y + 3 is y, and the coeff. of y is -1 (first possible answer).
Determine the type of boundary line and shading for the graph of the inequality 3x + y greater than or equal to 10.
answer choices
Dashed line with shading on the side that includes the origin
Solid line with shading on the side that does not include the origin
Dashed line with shading on the side that does not include the origin
Solid line with shading on the side that includes the origin
Answers
Answer: second option
Step-by-step explanation:
The equation of the line in slope-intercept form is:
[tex]y=mx+b[/tex]
Where m is the slope and b is the y-intercept.
Rewrite the expression as:
[tex]3x+y=10[/tex]
Solve for "y":
[tex]y=-3x+10[/tex]
You can identify that:
[tex]m=-3\\b=10[/tex]
Therefore, the line intersects the y-axis at the point (0,10)
For the graphs of inequalities with [tex]\geq\ and\ \leq[/tex] the line must be solid.
The inequality given is [tex]3x+y\geq 10[/tex] and it can be written as [tex]y\geq -3x+10[/tex]
Then, the shaded region must be above the solid line. Therefore it does not include the origin (Observe the graph attached).
Answer:
i agree with the second option
Step-by-step explanation:
Identify the denominator in the following radical .
Answers
There is no exercise. I cannot answer it without an exercise.
Which of the following ordered pairs is a solution to the following equation: y= -4x 2 squared:
Choices:
A.) (-2,16)
B.) (1, -8)
C.) 0, -4)
D.) 2, -16)
Please Hurry! I need the answer!!!
Answers
Answer:
D. (2, -16)
Step-by-step explanation:
The given function is:
[tex]y=-4x^2[/tex]
when x=2, we substitute 2, wherever we see x to find the corresponding y-value of x=2.
This implies that:
[tex]y=-4(2)^2[/tex]
[tex]y=-4\times 4[/tex]
[tex]y=-16[/tex]
The correct choice is D
The value of log a(30a)^3
Answers
Answer:
8.6
Step-by-step explanation:
8bcd over 40d, what is the answer
Answers
Answer:
bc/5
Step-by-step explanation:
8bcd
-------------
40d
Divide this into pieces
8 b c d
----- * ------ * ----- * -------
40 1 1 d
Cancel like terms
1 b c 1
----- * ------ * ----- * -------
5 1 1 1
This leaves us
bc/5
Answer: [tex]\frac{bc}{5}[/tex]
Step-by-step explanation:
You know that the expression is:
[tex]\frac{8bcd}{40d}[/tex]
You need to remember that:
[tex]\frac{a}{a}=1[/tex]
Then, knowing this, you can simplify the expression:
[tex]=\frac{8bc(1)}{40}[/tex]
[tex]=\frac{8bc}{40}[/tex]
Now, you need to reduce [tex]\frac{8}{40}[/tex]:
[tex]\frac{8}{40}=\frac{4}{20}=\frac{2}{10}=\frac{1}{5}[/tex]
Finally, rewritting the expression, you get this result:
[tex]=\frac{1bc}{5}[/tex]
[tex]=\frac{bc}{5}[/tex]
Beth wants to make an enlargement of a photograph she has and give it as a gift to her grandma. The picture Beth has measures 4 inches by 6 inches. Beth's grandma has a frame with a side of 10 (See below)
When Beth goes to the photoshop, the technician asks Beth for a scale factor for the enlargement. What number does Beth need to tell him for the right size?
Answers
Answer:
The second side would be 15 inches.
Step-by-step explanation:
In order to determine the other side, create a proportion. On the left side, use the original dimensions. On the right side, use the new dimensions with x as the unknown.
4/6 = 10/x
Now cross multiply to solve.
10*6 = 4*x
60 = 4x
15 = x
The solution to 16x = 48 is x = ___. (Only input the number.) please answer quick!
Answers
Answer:
3
Step-by-step explanation:
X = 3 I hope this helps!
8.2 oz of toothpaste for $2.99 or 64 oz of toothpaste for $2.49
Answers
Answer:
i think you meant 6.4 oz, and if so, the 8.2 oz
Step-by-step explanation:
I need the heeelllppppsssss
Answers
Answer:
21.75
Step-by-step explanation:
If A onto B is 1 : 7.25 then you would do A times 7.25 to find the corresponding side. 3 times 7.25 is 21.75
that answer is correct ^^
The PTA is holding a raffle. The prize is a camera worth $200. Each raffle ticket costs $5. One hundred tickets are sold and a winner is drawn at random. Find the expected value of the purchase of a ticket.
Answers
Answer: -$3.00
Step-by-step explanation:(1/100)(200-5)-(99/100)5= -$3.00/ticket
I really hope this helps. So sorry if it doesn't
Answer:
Expected value of the purchase of a ticket would be $3.00.
Step-by-step explanation:
The PTA is holding a raffle. Each raffle ticket costs $5.00.
The prize is a camera worth $200.
One hundred tickets are sold = 100 × 5 = $500.00
winner is drawn and given the prize of worth $200.
$500 - $200 = $300
So the expected value of the purchased ticket = [tex]\frac{300}{100}[/tex] = $3.00
Expected value of the purchase of a ticket would be $3.00.
A baker made a birthday cake in the shape of a rectangular pyramid she decorated the lateral faces of the cake with blue and purple icing how many faces of the pyramid fid she decorate
Answers
Answer:
She decorated 4 faces.
Explanation:
A rectangular pyramid has 5 faces in total. There are 4 lateral faces and a base. If the baker only decorated the lateral faces, then she decorated 4 faces.
Rectangular Pyramid:
Give one real word example for the following: perimeter, area, volume.
Answers
Answer:
perimeter of a children's playground, area of a house, volume of a glass of orange juice.
Step-by-step explanation:
Certainly! Here are some real-world examples for each of the geometric concepts:
**Perimeter**: The perimeter is the total distance around the edge of a two-dimensional shape. A real-world example of perimeter would be the total length of fencing required to enclose a backyard garden. If you wanted to put a fence around your garden and your garden is a rectangle, you would measure the lengths of all four sides and add them together to find out how much fencing you need.
Area: Area refers to the size of a surface. It is measured in square units (like square meters, square feet, etc.). A real-world example of area could be the amount of paint needed to cover a basketball court. If you wish to repaint the surface, you need to calculate the area of the court to determine how much paint to buy. The area is the product of the length and the width of the basketball court.
**Volume**: Volume measures the amount of space within a three-dimensional object; it is expressed in cubic units (like cubic meters, cubic inches, etc.). A real-world example of volume is the amount of water needed to fill a swimming pool. To determine how much water you need, you would calculate the volume of the pool by multiplying the pool's length, width, and depth. The result would tell you how much water is required to fill the pool to the brim.