Answer:
20 There are 15 boys and 20 girls.
HELP MEEE!!!
Use the drawing below to answer the questions that follow.
What is the scale factor going from smaller to larger?
(reference photo please)
Step-by-step explanation:
Part A: Let see what number we can multiply by 3 to get 13.5
[tex]3x = 13.5[/tex]
[tex]x = 4.5[/tex]
so our answer is 4.5
Part B : Set up the proportion
3 and 13.5 correspond with each other and the question mark side corresponds with the 9 cm side.
let x = the side we are trying to find
[tex] \frac{3}{x} = \frac{13.5}{9} [/tex]
Cross multiply
[tex]27 = 13.5x[/tex]
[tex]x = 2[/tex]
so our answer is 2.
Manatees are an endangered species of herbivorous, aquatic mammals found primarily in the rivers and estuaries of Florida. As part of its conservation efforts, the Florida Fish and Wildlife Commission records the cause of death for every recovered manatee carcass in its waters. Of the 392 recorded manatee deaths in 2012, 68 were perinatal and 81 were caused by collision with a watercraft.
Required:
a. What is the probability that the death of a randomly selected manatee was due to collision with a watercraft?
b. What is the probability that the death was not due to collision with a watercraft?
c. What is the probability that the cause of death was due to perinatal problems or collision with a watercraft?
Answer:
a) 0.206 , b) 0.794 , c) 0.38
Step-by-step explanation:
a) Prob(watercraft collision death)= Watercraft collision deaths / Total deaths = 81 / 392 = 0.206
b) Prob (Death non watercraft collison) = 1 - Prob (Death watercraft collision) = 1 - 0.206 = 0.794
c) Prob (Prenatal or watercraft collision death) = (68 + 81) / 392 = 0.38
Seven students were surveyed on the number of pets in their house. The results are shown below:
2, 2, 2, 3, 4, 4, 11
What is the mean number of pets?
Answer:
the mean number of pets is 4.
Step-by-step explanation:
if you add all of the numbers together, you get 28. Then you divide 28 by the amount of students.
If = x+12
what is the value of *?
X
21
Answer:
9
Step-by-step explanation:
What is the solution to the following system of equations?
3x + 2y = 30
y = x + 5
Answer:
D
Step-by-step explanation:
Answer:
I think this one is C
Step-by-step explanation:
It seems like its counting by 5's and the answer to the first equation
Please help me with this question
Answer:
$13.50
Step-by-step explanation:
Answer:
m = 13.50$
Step-by-step explanation:
26.50 + m = 40
m = 40 - 26.50
m = 13.50$
Hey everyone. I need the answer to this ASAP!: Michael knows that 2 cans of paint is the exact amount he needs to paint a 10-foot by 12-foot wall. Graph the relationship between the total square feet of the walls and the number of paint cans necessary to paint them. Show your work or explain how you got your graph in part A . There is a picture of the graph attached.
Answer:
See attachment for graph
Step-by-step explanation:
Given
[tex]2 cans = 10ft\ by\ 12ft[/tex]
Required
Graph the relationship between both parameters
First, calculate the area;
[tex]Area = 10ft * 12ft[/tex]
[tex]Area = 120ft^2[/tex]
This implies that: (2, 120) i.e. 2 cans for 120ft^2.
So we have:
(0,0) and (2,120)
(0,0) implies that: 0 cans for 0 square feet
Calculate the slope:
[tex]m = \frac{y_2 - y_1}{x_2 - x_1}[/tex]
[tex]m = \frac{120 - 0}{2-0}[/tex]
[tex]m = \frac{120 }{2}[/tex]
[tex]m = 60[/tex]
The equation is:
[tex]y = m(x - x_1) + y_1[/tex]
So, we have:
[tex]y = 60 * (x - 0) + 0[/tex]
[tex]y = 60 * (x )[/tex]
[tex]y = 60 x[/tex]
See attachment for graph
Answer:
Step-by-step explanation:
find the errors and correct the following mathematical sentences:
Answer:
You are supposed to correct the equation here not solve it.
HELP ME ILL GIVE BRAINLIEST
Which of the following factors can affect the strength of electric or magnetic fields? (YOU MAY SELECT MORE THAN ONE ANSWER)
Strength of the magnet/electric charge
The material that is creating the field
The mass of the object creating the field
The distance from the source of the field
Answer:
It's strength of the magnet/electric charge and the distance from the soucre of the field
Find the missing exponent.
10.
= 1,000
Submit
Answer:
I think 990 because if u subtract 1,000-10 it is 990 so its equal
Four points A, B, C, and d are on a number line, in some order, so that AB=1, BC=2, CD=3, and DA=4. Which two points are farthest away from each other?
Answer: B or C sorry if its wrong
Step-by-step explanation: have a nice day
SOMEONE PLEASE HELP EVEN IF ITS JUST WHAT YOU THINK PLEAE
Factories the following question
Answer:
[tex]k(3a-2b)[/tex]
Step-by-step explanation:
In the equation [tex]3ak-2bk[/tex], 'k' is the only common term.
Factor out 'k':
[tex]3ak-2bk\\\\\boxed{k(3a-2b)}[/tex]
Hope this helps.
Choose the circle with the greatest area
Answer:
#3
Step-by-step explanation:
I need help please in my homework 100 point question
Answer:
5,000? what does it want me to find
Step-by-step explanation:
Solve for x. 8x+10-5x=15.
Answer:
=
5
3
Step-by-step explanation:
8
+
1
0
−
5
=
1
5
3
+
1
0
=
1
5
Answer:
x = 5 / 3 = 1.667
Step-by-step explanation:
8*x+10-5*x-(15)=0
Solve : 3x-5 = 0
Add 5 to both sides of the equation :
3x = 5
Divide both sides of the equation by 3:
x = 5/3 = 1.667
x = 5/3 = 1.667
Mary bought a bag for 1600 and sold it for 2000, find the profit %
Answer:
125%
Step-by-step explanation:
We are being asked what percent of 1600 is 2000.
The answer is 125%
1600 × 125% = 2000
Answer:
Step-by-step explanation:
100(2000-1600)/1600
100(400)/1600
40000/1600=25%
Two different numbers are randomly selected from the set {-2, -1, 0, 3, 4, 5} and multiple together. What is the probability that the product is 0?
Answer:
Step-by-step explanation:
For the product to be zero one of the picks needs to be zero. It is easier to find the probability of NOT selecting a zero and subtract that from one.
P(0)=1-P(!0)
P(0)=1-(5/6)(4/5)
P(0)=1-4/6
P(0)=(6-4)/6
P(0)=1/3
NEED HELP ASAP BRAINLIEST TO THE FASTEST.
Yolanda has two grandfather clocks in her home. One must be wound every six days. Other must be wound every 14 days. Yolanda winds up both clocks on December 15. When is the next time she will have to wind both of the clocks on the same day?
Answer:
January 26 or in 42 days
Step-by-step explanation:
The smallest amount of days that both grandfather clocks share is 42 days. 42 days from December 15 is January 26.
hope this helps :)
47.Explain sound needs a medium for propagation
Answer:
Sound needs a material medium for their propagation like solid, liquid or gas to travel because the molecules of solid, liquid and gases carry sound waves from one point to another. Sound cannot progress through the vacuum because the vacuum has no molecules which can vibrate and carry the sound waves.
At a bakery, a baker prepares 6 dozen blueberry muffins for every 5 dozen apple muffins. If the baker prepares 16 dozen blueberry muffins, how many dozen apple muffins will he prepare? Can you please explain how to do this.
What is the area of the triangle below?
20 square units
15 square units
7.5 square units
30 square units
Answer:
7.5 square units
Step-by-step explanation:
Base of the triangle = 5 units
Height of the triangle = 3 units
Area of the triangle
[tex] = \frac{1}{2} \times base \times height \\ \\ = \frac{1}{2} \times 5 \times 3 \\ \\ = \frac{1}{2} \times 15 \\ \\ = 7.5 \: {units}^{2} [/tex]
Answer:
7.5
Step-by-step explanation:
Simplify. Write the answer as a decimal.
Answer:
what are we simplifying
PLEASE ANSWER THANK U I NEED HELP
Answer:
√340=18.43
Step-by-step explanation:
using, pythogoras theorem.
we should find h , where p=14 and b=12
thank you
Answer:
the answer would be ≈18.4
Step-by-step explanation:
I used the pythagorean theorem to find the value for the hypotenuse and then rounded the answer by the nearest tenth to get approximately 18.4 , hope this helps!
Which of the following ratios is not equivalent to the other two? * 1 1/2, 1:2, or 2 to 1
Answer:
1 1/2
Step-by-step explanation:
Which graph represents an increasing function?
Graph A
Graph B
5
4
Z
012
Graph c
Graph D
7
6
5
6
5
4
1
4
3
2
1
1
O Graph A
O Graph B
O Graph C
O Graph D
Answer:
Graph B is correct answer of this question
hope it helps and your day will be full of happiness
1
This quilt is made up of cloth pieces shaped like isosceles right triangles.
The hypotenuse of each triangle is 16 centimeters long. Find the area of one
cloth triangle. *choose one
32 square centimeters
16 square centimeters
42 square centimeters
64 square centimeters
Answer:
Its 64 cm
Step-by-step explanation:
the diagonals of parallelogram ABCD intersect at point O. If segment AC is a diagonal and AO = 5, then what is AC
9514 1404 393
Answer:
10
Step-by-step explanation:
The diagonals of a parallelogram bisect each other. That is, point O is the midpoint of AC. If AO = 5, then OC = 5 and AC = 5+5 = 10.
Can someone help me? I’ll reward points + brainalist
Answer:
C
Step-by-step explanation:
radius squared * pi = 63.585
100 POINTS!!! Orthographic projection and isometric projection are two ways to show three-dimensional objects in a two-dimensional space, such as on a piece of paper or a computer screen. Each method gives a different perspective. Do some research and then compare and contrast the two methods for displaying three-dimensional shapes. Then try your hand at creating both types of projections for a simple geometric shape using paper, pencil, and a ruler.
In your opinion, what are the pros and cons of each projection? What are the limitations? In which circumstances, environments, or occupations is one type of projection likely preferred over the other? Describe any special tools that might be needed to create the projection. Which projection is easiest for you to interpret visually? Why?
Example 1:
The pros of Orthographic is that they can show hidden details and all of the connecting parts, they can be annotated to display material and finishes. The pros of Isometric projection is that they dont need many views and it gives accuracy, cons are is created a unorginized apperance by the lack of foreshortening, I would choose Isometric projection because it shows the size of the figure.
Example 2:
Orthographic projection is a good option for showing lots of detail and small things. The limitation is that with all of that detail, they can become quite messy and hard to understand to someone new to them. However, that is one of the pros of Isometric projection. It gives easy detail and is just as good as an Orthographic. Personally, I find Isometric projections easier to interpret.