Answer:
The right answers are: The sphere gets bigger/The diameter doubles/The surface area quadruples.
Step-by-step explanation:
From Geometry, we remember that surface area and volume of the sphere are represented by:
[tex]A_{s} = 4\pi\cdot r^{2}[/tex] (1)
[tex]V = \frac{4\pi}{3}\cdot r^{3}[/tex] (2)
Where [tex]r[/tex] is the radius of the sphere. The diameter is two times the radius of the sphere.
If the radius of the sphere is doubled, then the sphere gets bigger, the diameter is double, the surface area is doubled and the volume is octupled. Therefore, the right answers are: The sphere gets bigger/The diameter doubles/The surface area quadruples.
Answer:
The sphere gets bigger , the diameter doubles, the surface area quadruples
Step-by-step explanation:
got it right on edge
Suppose that out of 10 trees planted in a yard, only five survived. What kind of hypothesis could you make about this observation or event
Answer: The condition to which the trees were exposed played a part in their inability to survive.
Step-by-step explanation:
From the report given in the question, we can hypothesize on a number of grounds as to why only 5 of the 10 trees survived. Hypothesis is very common in statistical parlance as it could be referred to as a claim about a particular event which is only inferred and has not been proved either wrong or right. This hypothesis or claim are further scrutinized or tested in other to establish a fact or validity of the claim. Hence, we could infer that the reason why only 5 of the trees planted survived is due to harsh weather condition. However, this claim will be subjected to further test before establishing the truth or significance of the hypothesis.
Parallel lines
Answer:
K & M
Step-by-step explanation:
K & M are parallel lines because they are straight and they can't touch each other.
Hope this helped!
There are 47 photos in the blue album the blue album has 32 more photos than the red album. How many photos are in the blue album?
Answer:
15
Step-by-step explanation:
There are 47 photos in the blue album
The blue album has 32 nore photos than the red album
Therefore the number of photos in the red album can be calculated as follows
= 47-32
= 15
Hence there are 15 photos in the red album
Find the value of 3/4 + 1/5 cannnnnn anyone helppp!???
Value of 3/4 + 1/5 is 19/20.
Do you need the steps?
First, calculate the LCM of the denominators (4 and 5) which is 20.
Now, divide 20 by 4 and 5 and multiply the quotient with the numerator.
=>
(5×3) + (4×1)
20
=> 15+4
20
=> 19/20
Hope it helps!
Please mark as brainliest :D
Answer:
19/20
Step-by-step explanation:
3/4+1/5=15/20+4/20=19/20 or 0.95
Nancy buys 2 large pizzas for her brother’s birthday party. The girls eat 7/8 and the boys eat 5/8 Nancy says that 1 1/2 are left is she correct
Answer: Nancy is correct because 7/8 is close to benchmark 1 and 5/8 is close to benchmark 1/2 and 1 + 1/2 = 1 and 1/2
Step-by-step explanation:
(x - 1) is a factor of the following, what are the remaining 2 factors:
Answer:
(x +(-2) ) and ( x+3)
The factors of a given cubic polynomial function are
( x-1) (x -2 ) and (x +3)
Step-by-step explanation:
Step(i):-
Given that x³ - 7x + 6=0
f(x) = x³ - 7x + 6=0
put x=1
f(1) = 1 -7 +6 =0
(x -1 ) is one factor of given polynomial
By using synthetic division
x³ x² x constant
x=1 ║ 1 0 -7 6
║ 0 1 1 -6
1 1 -6 0
The polynomial ( x² + x - 6) =0
Step(ii):-
The factors of
x² + x - 6=0
x² + 3x -2x - 6=0
x ( x +3 ) - 2( x +3) =0
(x -2 ) ( x+3 ) =0
x = 2 and x =-3
Final answer:-
The factors of a given cubic polynomial function are
( x-1) (x -2 ) and (x +3)
Andrew wants to buy 3 video games that are $50 each. He earns $80 a week. In how many weeks will he have enough money to buy the games?
Answer:2 Weeks
Step-by-step explanation:
Hope this helps
Answer:
2 weeks
Step-by-step explanation:
3 * $50 = $150
he needs at least $150 for the games
after 1 week he has $80---not enough
after 2 weeks he has $160---enough
Suppose the owners of a new bed and breakfast establishment are interested in conducting an experiment to determine effective advertisement strategies for increasing the number of reservations. The bed and breakfast owners intend to rotate advertisements for 12 weeks between a travel website, a travel magazine and a local billboard. Customers making reservations will be asked if they saw the advertisement. In this experiment, the independent variable is ________________.
a.
advertisement venue
b.
number of customer calls
c.
bed and breakfast establishment
d.
number of reservations
e.
travel website
10k - 60 = 180
solve for k
Answer:
K=24
Step-by-step explanation:
Add 60 on both sides
10k=240
Now divide 10 on both sides
240/10=24
10/10k=k
k=24
I will give brainiest to whoever answers correctly !!
Answer:
8100
Step-by-step explanation:
Hope this helps! ;)
An airline finds that if it prices a cross-country ticket at $400, it will sell 300 tickets per day. It estimates that each $10 price reduction will result in 30 more tickets sold per day. Find the ticket price (and the number of tickets sold) that will maximize the airline's revenue.
Answer:
$300, 400 tickets
Step-by-step explanation:
let x= number of price reduction
let us solve for p(x), the price per ticket with x reductions
p(x)= 400-10x dollars
Also, q(x), the number of tickets sold with x reduction
q(x)=300+10x tickets
we know that revenue
R(x)= p(x)*q(x)
substitute
R(x)= (400-10x)*(300+10x)
open bracket we have
R(x)= 120000+4000x-3000x-100x^2
R(x)=120000+1000x-100x^2
R(x)'= 1000-100x
R(x)'=0
1000=100x
x=10
R(x)"=-100
R(x)"<0
x= 10 is the maximum
from
p(x)= 400-10x
p(x)= 400-10*10
p(x)= 400-100
p(x)= $300
q(x)=300+10x tickets
q(x)=300+10*10
q(x)=300+100
q(x)=400 tickets
Please help and give the right answer, i’ll give brainliest❤️
Answer:
1.5
Step-by-step explanation:
6 : 4
4 / 4 = 1
6 / 4 = 1.5
6 : 4 = 1.5 : 1
Find the slope of the line that passes through (3,-7) and (-6,5).
Answer:
9,12?
Step-by-step explanation:
Three coins are tossed. Let the event T = all Tails and the event k = at least one Tails. What is the probability that the
outcome is all tails is at least one coin shows a tails?
A. 1/8
B. 1/7
C.7/8
D.7/64
Answer:
1/8
Step-by-step explanation:
If three coins are tossed, you have a 50% chance that 1 coin will land on Tails. You will have a 25% chance that 2 coins will land on Tails. You will have a 12.5% chance that 3 coins will land on Tails.
On a coordinate plane, how are the locations of the points (-99) and (-99) related?
СА. reflection across the y-axis
B. locations unrelated
reflection across both axes
D.
reflection across the x-axis
Answer:
A. Reflection across the y-axis
Step-by-step explanation:
Class A has 11 pupils and class B has 20 pupils.
Both classes sit the same maths test.
The mean score for class A is 74.
The mean score for class B is 32.
What is the mean score (rounded to 1 DP) in the maths test across both classes?
Answer:
11(74)+20(32)=1454
1454÷31=46.9
I need help ASAP giving brainliest!!
Answer:
9
Step-by-step explanation:
A composite number is a positive integer that can be formed by multiplying two smaller positive integers.
What is the domain of the following set of ordered pairs? {(7,1),(5,-4), (-3,3), (-6,-9)}
Answer:
the domain(s) are 7, 5,-3, and -6.
Step-by-step explanation:
the domain is the x which can repeat. the range is the y which can't repeat.
Select two ratios that are equivalent to 27:9.
Answer:
Some lists which you can choose:
3:1
6:2
12:4
24:8
Step-by-step explanation:
Answer: The two ratios would be 9:3 and 3:1 because
27:9 divided by 3 on both sides, equals
9:3
27:9 divided by 9 on both sides,
3:1
Therefore, the two ratios would be 9:3 & 3:1.
* Hopefully this helps :) Mark me the brainliest!!!
If it is 5 miles to the nearest store, and my dad walks 4 mp/h, why has it taken him 14 years to come back?
Molly is going to buy a car. This table shows the cars available.
1
Car Color
Price of Car
Cost of Options
2
Blue
$18,790
$625
3
Red
$17,490
$425
Gold
$19,678
no options
White
$18,650
$525
The
car is the most expensive.
O blue
O cold
Type here to search
O
H
Answer:
Gold
Step-by-step explanation:
Add up the cost of the car plus any options to find the most expensive car. In this case, even with no options to add, the gold car is still the most expensive.
Right Triangle ABC is shown on the grid below.
What value BEST represents the length of AB?
5 units
65 units
97 units
13 units
Answer:
Step-by-step explanation:
9855 -45
9855 dived by 45
Answer: 9855-45 is 9810
Step-by-step explanation:
9855 divided by 45 is 219
solve the inequality 4x - 1 > 15
Answer:
x>4 is the solved inequality
Step-by-step explanation:
4x-1>15
4x>16
x>4
Answer:
hey mate here is ur answer:--------------------------------------------------4x-1>15x>4 is solved inequality 4x-1>154x>16x>4I hope this helps you have a nice day ❤✌☘What is the slope of the line shown below?
10
O A 6
(-6.3) 5+
(12, 6)
B.
1
5
10
C.
OPI-
D. -6
Answer:
1/6
the most likely answer
Step-by-step explanation:
A recipe asks for 4/12pounds of chicken.
How many pounds of chicken are needed to make 1/2of a recipe?
Express the answer in simplest form.
Enter the answer in the box.
I need help ASAP no rush bc i just asked a question but pls hurry
Answer:
34 and 1/3
Step-by-step explanation:
Hey there!
The answer is [tex]\frac{1}{6}[/tex]
To make [tex]\frac{1}{2}[/tex] of a recipe is like dividing by 2, so [tex]\frac{4}{12}[/tex] divided by 2 is [tex]\frac{2}{12}[/tex], or [tex]\frac{1}{6}[/tex].
Hope it helps and have a good day/night!
Raul is considering three different
Answer:
WHAT?!
Step-by-step explanation:
Please help I will give brainliest (use the Picture to answer the question
Answer:
1. QTS
2. QTS
3. 61˚
4. 32˚
5. PTS
Answer:
1. RTS . 2. QTS . 3.61° . 4. 32° . 5. PTS
Step-by-step explanation:
On the summit of a mountain, rising 784 1/5 meters from sea level, is put a tower rising a height of 38 1/25 meters. On the roof of this tower is a lightning rod with a height of 3 4/5 meters. At what height above sea level is the very top of the lightning rod?
Answer: 826 1/25 meters
Step-by-step explanation:
trust me I know
Answer:
825 1/25
Step-by-step explanation:
Just add all the fractions up: 784 1/5 +38 1/25+3 4/5= 825 1/25
find the x and y intercept
x-2y=6 step by step
Answer: x-intercepts = (6,0) y-intercepts = (0,-3)
Step-by-step explanation: The answer shown is accurate. Hope it helps.
