Seven boys hire DVD's and each pays R5,50
I assume R 5.50 ( R to be the currency)
also assuming that they dont hire any more DVDs
total amount paid by 7 boys
= 5.50 × 7
= 38.5
when 4 more friends join the amount should get divided by 11 ( 7 + 4 )
so each has to pay an amount of 38.5 / 11 = 3.5
I think my assumptions here were correct
if not
let me know :)
The standard diameter of a golf ball is 42. 67 mm. A golf ball factory does quality control on the balls it manufactures. Golf balls are randomly measured to ensure the correct size. One day, an inspector decides to stop production if the discrepancy in diameter is more than 0. 002 mm. What is the range of acceptable values? 42. 668 mm to 42. 670 mm 42. 668 mm to 42. 672 mm 42. 670 mm to 42. 672 mm 42. 670 mm to 42. 674 mm.
The maximum and minimum acceptable diameter of the golf ball in the factory will be 42.672 mm to 42.668 mm.
What is the range?The range is the difference between the maximum and minimum.
Given to us
The standard diameter of a golf ball is 42.67 mm.
The discrepancy in diameter is more than 0.002 mm.
As it is given to us that the standard diameter of the golf ball is 42.67 mm while the discrepancy in diameter is more than 0.002 mm.
Maximum acceptable diameter = 42.67 mm + 0.002 mm = 42.672 mm
Minimum acceptable diameter = 42.67 mm - 0.002 mm = 42.668 mm
Hence, the maximum and minimum acceptable diameter of the golf ball in the factory will be 42.672 mm to 42.668 mm.
Learn more about Range:
https://brainly.com/question/3507706
Hence, write down the equation with Y as subject (in terms of x) to represent the production cost. The value of A,B and C must be included
The production cost is an illustration of a quadratic function
The equation of the production cost is [tex]y = ax^2 + bx -c[/tex]
How to determine the equationFrom the complete question, we have the following parameters:
Computing components (a)Number of devices (x),Labor (b)Savings on reusable material (c)Using the instructions in the complete question, the equation of the production cost would be:
[tex]y = ax^2 + bx -c[/tex]
Hence, the production cost is [tex]y = ax^2 + bx -c[/tex]
Read more about production cost at:
https://brainly.com/question/26620301
Find the value of the variable x. If your answer is not an integer, write it in simplest radical form with
the denominator rationalized.
Answer:}}
ok so it has to be between 30 or 90 {9
Step-by-step explanation:
Evelyn drew a marble at random from a bag containing 4 blue, 3 red, 2 yellow, and 5 green marbles. What is the probability that Evelyn selected a marble that is NOT red?
3/14
11/14
3/11
3/7
SHOW WORKK
Answer:
The probability that she picked a card that is not red is 11/14
Step-by-step explanation:
Number of blue marbles n(blue)=4
Number of red marbles n(red)=3
number of yellow marbles n(yellow)= 2
number of green marbles n(green)=5
total number of marbles n(S)=4+3+2+5=14
P(red)=n(red)/n(S)
P(red)=3/14
We have to determine the probability that the card picked is not red which means the card can be blue or yellow or green.
P(not red)=1-P(red)
=1-3/14
=11/14
Hope this helps
Excerpt from Brainly
Sorry, I am just dum, What would be the area of this triangle? It is in demos and that last line underlined was just added to complete the triangle or else there would be no bottom line for the triangle.
Answer:
A = 5 units²
Step-by-step explanation:
the area (A) of a triangle is calculated as
A = [tex]\frac{1}{2}[/tex] bh ( b is the base and h the perpendicular height )
here b = AC = 5 and h = AB = 2 , then
A = [tex]\frac{1}{2}[/tex] × 5 × 2 = 2.5 × 2 = 5 units²
16.13.6 kilometers to 23.8 kilometers
Answer:
16.13.6km:23.8km
Step-by-step explanation:
9) Sandra cut a piece of fabric in half to create two congruent rectangles that were each 8 feet long and 2 feet wide. What was the area of the original piece of fabric in square feet?
Answer:
32 ft²Step-by-step explanation:
Area of the cut rectangle:
A = lw = 8*2 = 16 ft²The area of the original fabric is twice the cut one:
16*2 = 32 ft²The local farms market sells peppers at five for 4.75 what is the constant of proportionality
Answer:
4.75
Step-by-step explanation:
Each pepper or product of pepper costs $4.75
So the unit rate is 4.75/pepper
The unit rate is considered as the slope of the line, or also known as the constant or proportionality. As the Number of peppers increase, the price increases proportionally.
The constant of proportionality is 4.75
-Chetan K
4+[2x3 2nd power] +4 divided by 11
Answer:
22.36Step-by-step explanation:
4+[2x3 2nd power] +4 divided by 11
translation
4 + (2×3²) + 4 : 11 =
4 + 18 + 4 : 11 =
4 + 18 + 0.36 =
22.36
need help will give brainliest if i can
Answer:
Total surface area of the tent that is in a shape like a triangular prism
= 255ft²
Step-by-step explanation:
Find the surface area of the triangles.
height = 5ft, base = 5ft
2 Triangles = 5 × 5 ÷ 2 × 2 = 25ft²
Now for the base.
height = 10ft, base = 5ft
base of triangular prism = 10ft × 5ft = 50ft²
And then, the last 2 rectangles.
height = 10ft, base = 9ft
2 Rectangles = 10ft × 9ft × 2 = 180ft²
Lastly, we add all these up.
25ft² + 50ft² + 180ft²
= 255ft²
Lend a hand yall! Brainliest Help me out
Explain what is Translation, Rotation, and Reflection.
Answer:
A translation is a type of transformation that takes each point in a figure and slides it the same distance in the same direction.
A rotation means turning around a center.
A reflection is a transformation representing a flip of a figure.
Answer:
See below!
Step-by-step explanation:
Translation: "Sliding": moving a shape without rotating or flipping it.
The shape still looks exactly the same, just in a different place.
Rotation: A circular movement.
Rotation has a central point that stays fixed and everything else moves around that point in a circle.
A "Full Rotation" is 360°
Reflection: Coordinate plane: A point reflected across the x or y axis, or x and y axis.
Coordinate plane, Shapes: A shape that is reflected across the x or y axis, or x and y axis. (Staying at the same coordinates).
Slopes: A slope that is reflected across the x or y, or x and y axis.
I WILL MARK CROWN PLEASE HELP
Answer:
70
Step-by-step explanation:
180-120=60
180-(60+50)=70
Answer:
m∠U = 70°
Step-by-step explanation:
find the missing inside angle, V:
180° - 120°
60°
so now the total interior angle of triangle is 180°
m∠U + 60° + 50° = 180°
m∠U = 180° - 110°
m∠U = 70°
Please help me with this math problem
Answer:
104.52 sq m
Step-by-step explanation:
The area of the top triangle is 1/2(12 * 8) = 48 sq m
The bottom semicircle is 1/2(pi r-squared) or 1/2(3.14 * 6^2) = 56.52 sq m
Add together and they are 104.52 sq m
Wren's investment manager informed her that she has a dividend yield of 6
from her investment with AB PLC. If the shares of the company currently trade for $20
on the Stock Exchange, what is the total dividend Wren receives if she has 2000
shares in AB PLC?
A. $12000
B. $1200
C. $2400
D. $40000
After lunch,my family has 1/8 of a pizza left. If I took half of the leftovers for my snack, what fractional part of the pizza is left?
Answer:
[tex] \frac{1}{16} [/tex]
Step-by-step explanation:
[tex] \frac{1}{8} \times \frac{1}{2} \\ = \frac{1}{16} [/tex]
Therefore, the fractional part is
[tex] \frac{1}{16} [/tex]
one number is three less than twice another . the sum of their square is 117 . find the numbers.
Answer:
-10.2 and -7.2
6 and 9
Step-by-step explanation:
Let the numbers be x and y.
x² + y² = 117
y = 2x - 3
x² + (2x - 3)² = 117
x² + 4x² - 12x + 9 = 117
5x² - 12x - 108 = 0
(5x + 18)(x - 6) = 0
5x + 18 = 0 or x - 6 = 0
x = -18/5 or x = 6
x = -3.6 or x = 6
y = 2x - 3
y = 2(-3.6) - 3
y = -10.2
y = 2x - 3
y = 2(6) - 3
y = 9
Answer:
-3.6 and -10.2
6 and 9
06.05 Data Observation
Instructions
For this activity, you will need two different coins. First, you will determine the theoretical probability of events. Then, you will flip the coins 100 times and determine the experimental probability of the events.
Flip two different coins 100 times, and record the results of each coin toss in a table like the one below:
Result Frequency
Two heads
Two tails
One head, one tail
Answer the following questions based on the data you gathered. You must show your work to receive credit.
What is the theoretical probability that a coin toss results in two heads showing?
What is the experimental probability that a coin toss results in two heads showing?
What is the theoretical probability that a coin toss results in two tails showing?
What is the experimental probability that a coin toss results in two tails showing?
What is the theoretical probability that a coin toss results in one head and one tail showing?
What is the experimental probability that a coin toss results in one head and one tail showing?
Compare the theoretical probabilities to your experimental probabilities. Why might there be a difference?
1. What is the theoretical probability that a coin toss results in two heads showing? 0.25
2. What is the experimental probability that a coin toss results in two heads showing? 0.5 x 0.5
3. What is the theoretical probability that a coin toss results in two tails showing?1/2
4. What is the experimental probability that a coin toss results in two tails showing?1 in 4
5. What is the theoretical probability that a coin toss results in one head and one tail showing? 0.5
6. What is the experimental probability that a coin toss results in one head and one tail showing? .5
7. Compare the theoretical probabilities to your experimental probabilities. Why might there be a difference? The theoretical is slightly higher than expected
Mathhhhhhhhhhhhhhh!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Answer:
93
Step-by-step explanation:
subtract -36 from 57 and you get 93.
Answer:
93
Step-by-step explanation:
57+36=93 that's your answer
Please just answer question 11
Answer:
[tex]\mathrm{No\:Solution}[/tex]Step-by-step explanation:
given that: [tex](p^2 +1)x^2 +2pqx+q^2 = 0[/tex] also its being said that: it has no solutionthus shall we use the formula: b²-4ac < 0Extra's:
when it has solution: b²-4ac > 0 when has only one or equal use: b²-4ac = 0when it has no solution or real numbers: b²-4ac < 0Now lets solve:
[tex](p^2 +1)x^2 +2pqx+q^2 = 0[/tex]
[tex](p^2 +1)x^2 +(2pq)x+q^2 = 0[/tex]
using b²-4ac < 0:
[tex](2pq)^2 - 4 * (p^2 +1 )(q^2 ) <0[/tex]
[tex]4p^2 q^2 - 4p^2q^2 -4q^2<0[/tex]
[tex]-4q^2 < 0[/tex]
[tex]\mathrm{No\:Solution\:for}\:p\in \mathbb{R}[/tex]
If the sum of two
prime numbers is 2013,
what is their product?
Answer:
2013 = 3 x 11 x 61
Step-by-step explanation:
3 x 11 x 61 are all prime. Their sum is 3+11+61 = 75
Answer:
2013 = 3 x 11 x 61
Step-by-step explanation:
Their sum is 3+11+61 = 75
3,11,61 are all prime numbers
hope this helps
Find the missing length of the longer leg in the
30° – 60° – 90° triangle.
short leg = 2
a 2v3
b7v2
с 67
d 475
Answer:
A) 2√3Step-by-step explanation:
Side ratios of 30°-60°-90° triangle:
a : b : c = 1 : √3 : 2Given:
a = 2Find b:
2 : b = 1 : √3b = 2*√3/1b = 2√3Correct choice is A
So
We know the ratio
x:y:z=30:60:90=1:√3:2Now
x=2
So
2:y=1:√3y=2√3And
2:z=1/2z=4Option A
A carpenter builds a tree house in the shape of a rectangular
prism. The tree house has a base that measures 8 feet long and 6
feet wide, and its volume is 312 cubic feet.
What is the height of the tree house?
Answer:
6.5 feet
Step-by-step explanation:
V = lwh
Plug-in the numbers given and solve for h
312 = 8(6)h
312 = 48h
312/48 48h/48
h = 6.5 feet
-
7. On a number line, what is the distance between –61.5 and – 23.4?
Can someone please help me out with this ??? I’d appreciate it so much
Answer:
(0, 1)
Step-by-step explanation:
So with the 2 equations you can either choose which to start with but you need to make the X or Y the opposite from the other equation.
1.
4x + 2y = 2 --> 1( 4x + 2y = 2)
3x - y = -1 --> 2( 6x - 2y = -2)
--
6x + 4x = 10x
2y - 2y = 0 (forced to get rid of)
2 - 2 = 0
Left with:
10x = 0 (Divide both sides by 10 to get X alone)
x = 0
-----------------------------------------------------------
(Choose any ORIGINAL equation)
4x + 2y = 2
4(0) + 2y = 2 (substitute)
Left with:
2y = 2 (divide both sides by 2 to get Y alone)
y = 1
-------------------------------------------------------------
Optional:
Chose the other equation (the oposite from above)
Substitute X and Y in 3x - y = -1
3(0) - (1) = -1
Left with: -1 = -1 (check)
Hope this helps
Sarah wants to buy a new iphone for $799. The tax for the phone will be 7%. What will she pay in total for the phone
Answer:
854.93
Step-by-step explanation:
I answered hope it helps
Find the equation of the line determined by the given information.
10.m= 1; P = (-7, 0)
Answer:
y = x + 7
Step-by-step explanation:
The equation of a line in point- slope form is
y - b = m(x - a)
where m is the slope and (a, b ) a point on the line
here m = 1 and (a, b ) = (- 7, 0 ) , then
y - 0 = 1 (x - (- 7) ) , that is
y = 1 (x + 7) ← distribute by 1
y = x + 7 ← in slope- intercept form
if 6 people share 56 gummy worms equally how many did each person get
Step-by-step explanation:
Each will get 9 but 2 will remain
5.3333...
On average, an American hummingbird flaps its wings about 3,180 times per minute.
About how many times per second does it flap its wings?
Enter your answer in the box.
Answer: 53 times per second.
Step-by-step explanation:
3180(flaps per min) Divided by 60(seconds in a min) = 53
Assuming x and the number below are measured in degrees find re value of x and find the unknown angle measure in each triangle.
Answer:
x = 16°
4x-7 = 57°
3x+4 = 52°
5x-9 = 71°
Step-by-step explanation:
All angles of any triangle add up to 180°, so if we add up each equation and set it equal to 180 we can find x.
4x-7 + 3x+4 + 5x-9 = 180
Simplify by combining like terms.
12x-12 = 180
Then, do inverse operations to find x.
12x=192
x=16
Now that we found x, we can substitute 16 for x in each angle equation in the triangle.
4(16)-7 = 57
3(16)+4 = 52
5(16)-9 = 71
Fatema sold liters of soda at a baseball game. How much is this in milliliters?
Answer: 1 liter is 1,000 milliliters
Step-by-step explanation:
It’s a conversion rule. Just plug in your liter value. Times your liter by 1000 and you will have your mililiter value.