Answer:
This is not my answer btw
Step-by-step explanation:
Given that speed(v) = 20km/h and time(t) = 50 min
We have to find distance (d)
First convert speed into m/s
v = (20*1000m)/(1*3600s)
v = (50/9) m/s
Now convert time into second
t = 50*60 = 3000 sec
As we know that
d = v*t = (50/9)*3000 = 50000/3
d = 16666.67m or 16.67km
Ans: 16666.67m or 16.67km
7. The lifetime of a certain brand of tires is approximately normally distributed, with a
mean of 40,000 miles and a standard deviation of 2,500 miles under normal driving conditions.
Tire wear is greatly affected by road, weather and driver conditions along with proper
maintenance of the tires. A driver who aggressively accelerates or makes quick stops, for
example, will wear out a tire much more quickly. The brand carries a warranty of 33,000 miles
under normal driving conditions, i.e., the company will replace a tire if it wears out before this
mileage limit is reached.
Answer:
0.0025551
Step-by-step explanation:
Given that:
Mean (m) = 40000
Standard deviation (s) = 2500
P(x < 33,000) :
USing the relation to obtain the standardized score (Z) :
Z = (x - m) / s
Z = (33000 - 40000) / 2500 = - 2.8
p(Z < -2.8) = 0.0025551 ( Z probability calculator)
Probability of Tyre wagering out before mileage limit is reached = 0.0025551
-2y - 3y + 8 = 8 -5y - 12
solve this equation fast please
find the number that belongs in the green box.
round your answer to the nearest tenth.
Step-by-step explanation:
By Sine Rule, 13/sin96° = x/sin25°.
Hence, x = 13sin25°/sin96° = 5.5.
Two years ago Juanita bought 2 shirts for $15 and last year she bought 4 shirts for $45. Assuming the prices will increase linearly, how much will 8 shirts cost Juanita this year?
Answer:
This year, Juanita will have to use $75.
Step-by-step explanation:
Because if 2 shirts is $15, 4 shirts will be $30. $45 is $15 more than $30, so the increase is $15. 2*4 is 8, so that will make it 15*4=60. 60+15=75.
solve the equation or inequality.
5t - 3 (7t + 1) < 93
Step-by-step explanation:
5t-3(7t+1) < 93
Remove the parentheses
5t-21t-3 < 93
-16t < 93+3
-16t < 96
Divide both sides by 16
-t<96/16
-t<6
t > -6
Answer: The inequality t < 6 is the correct answer.
Step-by-step explanation:
5t - 3 (7t + 1) < 93 <--- This is the original equation.
5t + (7t + 1) - 3 < 93 <---- Use commutative property.
16t - 3 < 93 <--- Simplify
16t - 3 + 3 < 93 + 3 <---- Add 3 to both sides,
16t < 96 <--- Simplify and do addition.
[tex]\frac{16t}{16}[/tex] < [tex]\frac{96}{16}[/tex] <--- Divide both sides by 16.
t < 6 <--- is the answer to the inequality.
Hope this helps! :D
y
10
9
8
7
9
5
4
1
-10-9
-8
7
5
1
3
5 6
7
8
6
2
&
4
-5
-6
-7
-8
Is it a one point question?
Answer:
78
Step-by-step explanation:
maybe.
when to probabilities are mutually exclusive, they do not have any outcomes in common?
True or False
Answer:
it's true
A and B are mutually exclusive events if they cannot occur at the same time. This means that A and B do not share any outcomes and P(A AND B) = 0
Write a real-world problem that can be solved using the equation 9+4x=21−2x.
1. you have to subtract 9 from both sides. 21-9= 12
2. you have to add 2x to both sides. 4x+2x= 6x
3. 6x divided by both sides =
4.x=2
What information can be used to compare linear relationships? Explain why.
Answer:the slope and the y intercept (you can tell there linear if the slope is the same and the y-intercepts are different).
Step-by-step explanation:
Answer:
Sample Response: Linear relationships can be compared using their initial values, or y-intercepts, and their rates of change, or slopes. Initial values can tell you which relationship started with a greater value. Comparing slopes can tell you which relationship is rising or falling faster.
Step-by-step explanation:
Simplify the following expression.
2.22 + 16-4-(4+4)
A. 8
B. 14
C. 4.
D. 16
Answer:
=6.22??
Step-by-step explanation:
2.22+16-4-(4+4)
2.22+16-4-8
18.22-4-8
14.22-8
=6.22....
Answer:
I got 6.22
Step-by-step explanation:
I did 2.22+16-4(4+)
First : 2.22+16-4-4-4
Then: -4-4-4= -12
After: 2.22+16-12
Lastly: 2.22+4
And I got 6.22 and I checked my answer wit a calculator and its 6.22
Hope this helps
-Mercury
Find the equation of the line, in slope-intercept form, that passes through the points (2, 9) and (3, 7). Show all work.
(20 POINTS)
answer this please !!!!!!
Answer:
C) 140
Step-by-step explanation:
We can see from the diagram that mMEF + mDEM = mDEF because they share the same lines.
Therefore:
69x + 2 + 34 = 2 + 86x
Now we can solve this equation.
First we can eliminate the +2 from each side as they will cancel:
69x + 34 = 86X
And then rearrange to solve for x:
34 + 69x - 69x = 86x - 69x
34 = 17x
34/17 = 17x/17
x = 2
Now that we have the value for x, we can substitute it into the original equation:
mMEF = 69(2) +2
mMEF = 138 + 2
mMEF = 140
Therefore the correct answer is C) 140.
Hope this helped!
Macy's was also having a sale. All kitchen items were 50% off. Ms. M bought a Keurig that originally cost $129.00. How much did she pay for the keurig with the discount?
the answer is $64.50 hope it helps
Marie has 60 photos. 2/5 of the photos are of her children. How many of the photos are of her children?
Answer:
24
Step-by-step explanation:
60 divided by 5 is 12 so 1/5 would be 12 and 12+12=24 so Marie has 24 pictures of her children
Answer:
24
Step-by-step explanation:
if you divide 60 by 5 its 12 if you multiply 12 time 2 equals 24 so there u go
Your task is to create a tondo (a circular art piece) that demonstrates your understanding of the different circle properties.
Topic: Circle Geometry
For more info see attachment.
Answer:
I am very very very sorry if this is incorrect, this did not make much sense to me! :(
Step-by-step explanation:
what is 88n+20n
A:108n
B:108n²
c:108+n
D:108+n²
Answer:
108n
Step-by-step explanation:
88n+20n
=108n
In which story is the answer to the question 0?
1:
Neil felt sick, so his grandma took his temperature. She said his temperature
was 2°F above the normal human body temperature. At dinner time, his
temperature was 2°F higher than it was that morning. What is the difference
between Neil's temperature now and the normal human body temperature?
2:
Neil felt sick this morning, so his grandma took his temperature. She said his
temperature was 2°F above the normal human body temperature. At dinner
time, his temperature was 2°F lower than it was that morning. What is the
difference between Neil's temperature now and the normal human body
temperature?
Answer:
2
Step-by-step explanation:
It was +2 in the morning. -2 would make it 0.
the second story is the answer
Plz help I’ll give brainlest
Answer:
about 13 inches sorry if im wrong ive spent so long tryna figure this out
Step-by-step explanation:
Answer:
13 inches
Step-by-step explanation:
multiply 2 and 6.5 *i got 2 because the 2 hours and the 4 inches
When f(x)=4, what is the value of x?
O0
O2
O3
O4
Answer:
2
Step-by-step explanation:
Answer:
It is 04
Step-by-step explanation:
Egal loggers got away with 4 acres of trees at a reserve in central Mexico. That number represents a 97 percent decline from two years prior. How many acres of trees did the illegal loggers get away with two years prior? Round the answer to the nearest acre.
Answer: with 133.33 acres of trees
Step-by-step explanation:
4 acres of trees, is a 97% decrease of the previous amount.
This means that if the previous amount was X, then 4 acres is 3% (or 0.03 in decimal form) of X, or:
4 acres = 0.03*X
Now we can solve this for X as:
X = 4acres/0.03 = 133.33 acres
The illegal loggers got away with 133.33 acres of trees
There is a line that includes the point (3, 15) and has a slope of 0. What is its equation in slope-intercept form?
A cork has a mass of 3 grams and a volume of 16 cm3
. Calculate the density.
Answer:
0.1875, or 3/16
Step-by-step explanation:
The formula for density is mass/volume.
I hope this helps :)
Answer:
[tex]{\boxed {\sf \frac{3}{16} \ g/cm^3}}[/tex]
or
[tex]\boxed {\sf 0.1875 \ g/cm^3}}[/tex]
Step-by-step explanation:
Density can be found by dividing the mass by the volume.
[tex]\rho= \frac{m}{v}[/tex]
The mass of the cork is 3 grams and the volume is 16 cubic centimeters.
[tex]m= 3 \ g\\v= 16 \ cm^3[/tex]
Substitute the values into the formula.
[tex]\rho = \frac{3 \ g }{16 \ cm^3}[/tex]
Divide.
[tex]\rho=\frac {3}{16} \ g/cm^3[/tex]
[tex]\rho=0.1875 \ g/cm^3[/tex]
The density of the cork is 3/16 or 0.1875 grams per cubic centimeter.
please answer this please
Answer:
4)d)9/10
5)a)20
6)b)3/10
7)b)3/7
Step-by-step explanation:
is √64 a rational or irrational?
Answer:
√64 is rational.
because 8² is 64 and √64 is 8
Step-by-step explanation:
Answer:
rational
Step-by-step explanation:
Need help with this ASAP
30 points !!
Answer:
im sorry I wish I could help are there any other questions you have?
Step-by-step explanation:
Does anyone wanna help ya girl out?? I’ll give brainliest for best answer (it’ll go who answers first, and how helpful the answer is)... you’ll also get 20 points teehee :)
Answer: 1, 2, and 4
Step-by-step explanation:
7th grade math help lol
Step-by-step explanation:
F and C, I think those are the only ones
4 less than y is greater than 5
Answer:
Step-by-step explanation:
The equation would be: y-4>5
Hope this helps...
what is the percent of decrease from 3.2 to 1.2 plz help
Answer:
62.5%
Step-by-step explanation:
(1.2 - 3.2) / 3.2 =
- 2 / 3.2 =
- 0.625 =
- 62.5
The minus (-) reflects the decrease.
Answer:
62.5%
Step-by-step explanation:
if 3.2 - 100%
1.2 - x
x= (1.2*100)/3.2
x = 37.5%
Decrease = 100-37.5 = 62.5%
help needed!!! OVER DUE ASSIGNMENT! click picture!!
Answer:
Step-by-step explanation:
x= 6/2=3 ; y = 59° ( it opposes the side that is 10/2=5)
2) x= 6/2 =3