Answer:
The top one is a triangle which is the back part of the shape. The bottom left one is also a triangle and the bottom right one is a rectangle
Which one is correct?
Answer:
720cm^2
Step-by-step explanation:
i dont think this is right answer
Answer:
720cm^2
Step-by-step explanation:
pls dont report
Can somebody help with this problem?
Answer:
x=-5 or -5
Step-by-step explanation:
x - 4 = 2x + 1
Subtract x from both sides canceling out the x on the left, getting...
-4 = x + 1
Then subtract the 1 from both sides canceling out the 1 on the right, getting...
-5 = x
Subtracting x from 2x gets you 1x which you just write as x because there is only one x. Doing the equation from the other side will still get you the same answer and I will show you.
x - 4 = 2x + 1
-x - 4 = 1
-x = 5
x = -5
Hope this helps!
Solve the system using elimination. Show all work for full credit.
-3x - 3y = 12
3x + 4y = -11
Help me
Answer:
X=-5, y=1
Step-by-step explanation:
Add 3x+-3x to get 0. You are left with
-3y=12
4y=-11
add together
y=1
substitute1 in either equation to solve for x
-3x-3y=12
-3x-3(1)=12
-3x-3=12
-3x=15
x=-5
What is the area and circumference of the given circle
Answer:
Area=36π ft or 113.1 ft
Circumfrence= 12π ft or 37.7 ft
Step-by-step explanation:
A=πr^2
r=6
A=36π ft or 113.1 ft
C=2πr
C=12π ft or 37.7 ft
Oliver is performing an experiment by spinning a metal weight around on the end of a nylon thread. How far does the metal weight travel if it
completes 10 revolutions on the end of a 0.88 m thread?
Give your answer correct to one decimal place.
Answer:
27.7m
Step-by-step explanation:
Step 1
We find the Circumference of the nylon thread.
The formula = 2πr
The diameter of the thread = 0.88m
Radius = Diameter/2
= 0.88m/2
= 0.44m
Circumference = 2 × π × 0.44m
= 2.7646015352m
Approximately = 2.765m
Step 2
We calculate the distance
Number of revolutions = 10
Therefore, the Distance or how far the metal weight can travel =
Circumference of the wheel × Number of revolutions
= 2.765m × 10
= 27.65m
Approximately to 1 decimal place = 27.7m
8c^2+7c how do i solve this
Answer: look at the picture
Step-by-step explanation: Hope this help :D
Maria plans to double the amount of time she spends walking per day each week.she starts , on week 1 , walking 5 minutes per day. after 7 days , she then walks 10 minutes per day
(a) how many minutes per day will maria be walking on week # 6 , show the calculation that gives your answer
(b) scale the y axis appropriately and graph the first six terms of this sequence .list them all if you haven't already
(c) according to this geometric progression how many minutes per day would maria be walking on week # 10 why is this not a viable answer
Answer:
a) 160 minutes per day
b) Find the graph attached
c) on 10th week Maria would be walking 2560 minutes per day
Step-by-step explanation:
Week 1 - 5 minutes per day
Week 2 - 10 minutes per day
Week 3 - 20 minutes per day
Week 4 - 40 minutes per day
Week 5 - 80 minutes per day
Week 6 - 160 minutes per day
a) 160 minutes per day
b) Find the graph attached
c) on 10th week Maria would be walking 2560 minutes per day
Match each shape with its corresponding formula for area.
1. the line which divides a figure into two congruent mirror images
rotational symmetry
2. property where a figure can be folded along a line to create two congruent mirror images
line symmetry
3. property where a figure can be rotated less than 360° and still look the same
line of symmetry
Answer:
1- line of symmetry
2- line symmetry
3- rotational symmetry
Step-by-step explanation:
im pretty sure because i just did this unit :]
What is the common ratio of the following sequence? 7, 21. 63, 189
Answer:
3
Step-by-step explanation:
7×3=21
21×3=63
63×3=189
Select the correct answer. Consider functions f and g. f(x) = x^3 + 5x^2-x Which statement is true about these functions? A. Over the interval , function f and function g are decreasing at the same rate. B. Over the interval , function f is increasing at the same rate that function g is decreasing. C. Over the interval , function f is decreasing at a faster rate than function g is increasing. D. Over the interval , function f is increasing at a faster rate than function g is decreasing.
Answer:
4.0/5
12
The second statement.
Step-by-step explanation:
Any increasing exponential function will always eventually be greater than any other non-exponential function.
The statement that is true from the function given above is:
"Over the interval [-2, 2], function f is increasing at a faster rate than function g is decreasing." (Option D)
A function in mathematics is known as an expression of a relationship involving two variables:
Dependent and Independent, using a mathematical connotation.Why is option D a True statement?It is clear from the number array (attached) that x > 0, f(x) ↑ while x< 0 f(x) ↓.
While for g(x) it is confirmed that 0 <x<2, gx) ↓.
[-2< x< 0, g(x) may ↓ or ↑]
Hence, x from 0 to 2, g(x) from 6 to -16, that has been modified for 22 while the f(x) changes from 0 to 26, and changed from 26, 26 > 22.2
Learn more about functions at:
https://brainly.com/question/2833285
#SPJ2
What is 100 km/h in mph?
Use 5 miles = 8 km.
Give your answer as a decimal
Answer:
Answer is100*5/8 = 62.5
Answer:
62.5
Step-by-step explanation:
100×5/8=125÷2=62.5
I need help like really bad!
Answer:
The surface area is 644 meters squared
Step-by-step explanation:
:)
Evaluate function expression.
who can help ?
Given:
The graph of two function f(x) and g(x).
The expression is:
[tex]-1\cdot f(-8)-4\cdot g(4)[/tex]
To find:
The value of the given expression.
Solution:
From the given graph, it is clear that
[tex]f(-8)=-5[/tex]
[tex]g(4)=3[/tex]
Substitution [tex]f(-8)=-5[/tex] and [tex]g(4)=3[/tex] in the given expression, we get
[tex]-1\cdot (-5)-4\cdot 3[/tex]
[tex]=5-12[/tex]
[tex]=-7[/tex]
Therefore, the value of the given expression is -7.
Which one is the correct answer?
Answer:
200
Step-by-step explanation:
Volume is the quantity of three-dimensional space enclosed by a closed surface, for example, the space that a substance (solid, liquid, gas, or plasma) or shape occupies or contains. Volume is often quantified numerically using the SI derived unit, the cubic meter. Plz mark me brainliest!
Answer:
200 cm^2
Step-by-step explanation:
For a rectangular prism, V = lwh
V = (10 cm)(4 cm)(5 cm) = 200 cm^2
what is (15-3)x(4+3)
Answer:
84
Step-by-step explanation:
Which best describes the speed of a ball as it is thrown straight up into the air and comes back down?
A. The ball goes up at a constant speed, stops, then comes down at a constant speed.
B.The ball goes up at a constant speed, stops, and increases speed as it comes down.
С.The ball goes slower and slower as it goes up, stops, and then goes faster and faster as it comes down.
D.The ball goes slower and slower as it goes up, stops, and then comes down at a constant speed.
Directions: Find the value of x.
Round angle measures to the nearest degree.
Given:
The figure of a right triangle.
To find:
The value of x.
Solution:
In a right angle triangle,
[tex]\sin \theta=\dfrac{Perpendicular}{Hypotenuse}[/tex]
In the given right triangle,
Hypotenuse = 15
Perpendicular = 12.5
Now,
[tex]\sin x^\circ=\dfrac{12.5}{15}[/tex]
[tex]\sin x^\circ=0.83333[/tex]
[tex]x^\circ=\sin^{-1}0.83333[/tex]
[tex]x^\circ =56.442345^\circ[/tex]
[tex]x\approx 56[/tex]
Therefore, the equation used to find x is [tex]\sin x^\circ=\dfrac{12.5}{15}[/tex] and the value of x is 56.
The diameter of a water bottle is 2.4 centimeters. The height is 10.3 centimeters. What is the volume?
Answer: V ≈ 46.6
The formula for a cylinder with a diameter is: [tex]V=\pi (\frac{d}{2})^2h[/tex]
As that being said, we multiply the diameter with pi, then divide the diameter by 2, then multiply the height.
Remember, pi is 3.14.
π → 3.14
Let's break the equation down.
3.14 × 2.4 / 2 × 10.3.
Let's solve.
3.14 × 2.4 / 2 × 10.3 = 46.5961
We solved the equation, but we aren't done. We round the decimal to the nearest tenth.
To do that, find the 5 in the tenth place and take a look at 9. Round up if the digit to the right is greater or equal to 5. Round down if the digit to the right if less than 5.
Therefore, 9 is greater than 5, so we round up.
46.5961 → 46.6
Hence, 46.6 is the answer.
Answer:
v=46.6
Step-by-step explanation:
ok so the shape of the bottle isn't given, but we can assume that it's a cylinder.
with that, we need to 'find' the formula for the volume of a cylinder-
v=πr²h
now, lets plug in what we know-
we were given the diameter, which is the straight line passing from side to side through the center of a body or figure, especially a circle or sphere. but what we need is the radius, so to find that we'll divide the diameter in half-
2.4/2=1.2
now we can plug in the radius and height-
v=π*1.2²*10.3
v=46.6
good luck :)
i hope this helps
have a nice day!
**brainliest would be appreciated**
Question 1
1. Which expression is equivalent to 4(2x + 3)?
A. 4 + 2x + 4 +3
B. 8x + 12
C. 8x + 3
D. 4 + 2x + 12
СА
OB
oc
CD
Answer:
B.) 8x + 12
Step-by-step explanation:
Using the Distributive Property the 4 is multiplied by each number inside the parentheses
4*2x = 8x
4*3 = 12
8x+12
Answer: it’s B
Step-by-step explanation: lol I didn’t want to do the math
Miguel is posting photos on a school website. He has 48 photos. And he is allowed to use 12 pages.He wants to put the same number of photos,P,on eaxh page
Answer:
4
Step-by-step explanation:
48/12 to get how many in each page
Help on this question please I don’t understand
Which of the following situations forms a proportional relationship? Select all that apply.
5 DVDs for $9 and 15 DVDs for $27
6 cups of coffee for $8 and 9 cups of coffee for $12.
3 purses for $60 and 5 purses for $90
12 cans of soup for $3 and 30 cans for $7.50.
2 ink cartridges for $25 and 4 ink cartridges for $75.
Answer: 1st,2nd, and 4th one are correct.
Step-by-step explanation:
Identify CD.
Here is link to photo: https://thinkwell.cachefly.net/questionbank/95001-96000/95286/img/95286a.svg
56 students signed up to go on the class trip. If this is 70% of the class, how many students are in the class?
Answer:
QUESTION:
56 students signed up to go on the class trip. If this is 70% of the class, how many students are in the class?
ANSWER:
I believe that the answer is that there are 80 students in the class.
I divided 56 by 70% in my calculator and got 80.
Step-by-step explanation:
Hope that this helps you out! :)
If you have any questions please put them in the comment section below this answer.
Have a great rest of your day/night!
Please thank me on my profile if this answer has helped you.
Answer:
80
Step-by-step explanation:
Pic from the problem
Answer:
53.2
Step-by-step explanation:
Im sorry if im wrong
Reasoning A cone with radius 6 and height 12 has its radius quadrupled. How many times
greater is the volume of the larger cone than the smaller cone? Use pencil and paper. Explain
how the volume of the cone would change if the radius were divided by four.
The volume of the larger cone is
times greater than the volume of the smaller cone.
Enter your answer in the answer box and then click Check Answer.
Clear All
Check Answer
All parts showing
Answer:
Step-by-step explanation:
Reasoning A cone with radius 6 and height 12 has its radius quadrupled. How many times
greater is the volume of the larger cone than the smaller cone? Use pencil and paper.
Volume of a cone = πr² h/3
r = 6, h = 12
= π × 6² × 12
= 452.39 cubic units
Daniela needed 3 feet of thread to finish a pillow that she was making. She has 24 times as much thread as she needs. How much thread does she
actually have?
Answer:
im pretty sure it's 72 ft
Step-by-step explanation:
pls help on these and thku
Answer:
the second one
Step-by-step explanation:
Please help and NO LINKS
To conduct a survey about the type of phone service most people in Greenville prefer, 10 different blocks in the neighborhood are chosen. On these 10 blocks, 10 houses are selected at random, and then one resident of each of those houses is interviewed. This type of sampling method is
A.) simple random sampling.
B.) stratified sampling.
C.) systematic random sampling.
D.) cluster sampling.
Answer:
Please help and NO LINKS
Please help and NO LINKSTo conduct a survey about the type of phone service most people in Greenville prefer, 10 different blocks in the neighborhood are chosen. On these 10 blocks, 10 houses are selected at random, and then one resident of each of those houses is interviewed. This type of sampling method is(A)
Step-by-step explanation:
(I hope this helps)(BRAINLEIST PLEASE)❤☺️☻♨️
Two different right cones are being considered by a design team to hold one liter (1000
cubic centimeters) of oil. Design A has a height that is double the diameter of the base.
Design B has a height that is triple the diameter of the base. Which design has a smaller
surface area? What percent less is that surface area?
Answer:
The surface area of Design A is smaller than the surface area of Design B.
The area of Design A is 94.65% of the Design B.
Step-by-step explanation:
The area of a right cone is given by the sum of the circle area of the base and the lateral area:
[tex] A = \pi r^{2} + \pi rL [/tex] (1)
Where:
r: is the radius
L: is the slant height
The slant height is related to the height and to the radius by Pitagoras:
[tex] L^{2} = H^{2} + r^{2} [/tex]
[tex] L = \sqrt{H^{2} + r^{2}} [/tex] (2)
By entering equation (2) into (1) we have:
[tex] A = \pi r^{2} + \pi r(\sqrt{H^{2} + r^{2}}) [/tex]
Now, let's find the area of the two cases.
Design A: height that is double the diameter of the base, H= 2D = 4r
[tex] A_{1} = \pi r^{2} + \pi r(\sqrt{(4r)^{2} + r^{2}}) = \pi r^{2}(1+ \sqrt{17}) [/tex]
The volume of the cone is:
[tex]V = \frac{1}{3}\pi r^{2}H[/tex]
We can find "r":
[tex] V = \frac{1}{3}\pi r^{2}(4r) = \frac{4}{3}\pi r^{3} [/tex]
[tex] r = \sqrt[3]{\frac{3V}{4\pi}} = \sqrt[3]{\frac{3*1000}{4\pi}} = 6.20 cm [/tex]
The area is:
[tex] A_{1} = \pi (6.20)^{2}(1+ \sqrt{17}) = 618.7 cm^{2} [/tex]
Design B: height that is triple the diameter of the base, H = 3D = 6r
The radius is:
[tex] r = \sqrt[3]{\frac{3V}{6\pi}} = \sqrt[3]{\frac{3*1000}{6\pi}} = 5.42 cm [/tex]
The area is:
[tex]A_{2} = \pi r^{2} + \pi r(\sqrt{(6r)^{2} + r^{2}}) = \pi r^{2}(1 + \sqrt{37}) = \pi (5.42)^{2}(1 + \sqrt{37}) = 653.7 cm^{2}[/tex]
Hence, the surface area of Design A is smaller than the surface area of Design B.
The percent of the surface area of Design A is less than Design B by:
[tex] \% A = \frac{618.7 cm^{2}}{653.7 cm^{2}}\times 100 = 94.65 \% [/tex]
Therefore, the area of Design A is 94.65% of the Design B.
I hope it helps you!