The graph shows the movement of a car from point A to point D, there are two slant line AB and CD.
(1) Calculate the speed of the car during the first 10 seconds.
(2) For how long did the car stop.
(3) What is the average speed of the car for the whole journey.
(4) Why the line BC is flat not slant.
Answer:
The answer is below
Step-by-step explanation:
a) The speed of the car during the first 10 seconds is equal to the slope of the line AB. The line AB passes through (0, 0) and (10, 200)
slope = (200 - 0)/(10 - 0) = 20 m/s
The speed of the car during the first 10 seconds is 20 m/s
b) The time for the car to move from point A to point D = 60 seconds
c) Distance from point A to B = 200 m, distance from C to D = 500 - 200 = 300 m, distance from B to C = 20 m/s * 20 s = 400 m
Total distance from A to D = 200 + 400 + 300 = 900 m
Average speed = total distance / total time = 900 m / 60 seconds = 15 m/s
d) line BC is flat because the car moves at a constant speed from point B to point C. That is the speed does not change.
Will mark the correct answer brainliest
Helppp I beg ya 20 points and I’ll give brilliants to
Answer:
im not that smart
Step-by-step explanation:
Need help on this please so confusing
Answer:
x = 37 if im correct
Step-by-step explanation:
A card is drawn from a standard deck of cards. What is the probability
that a spade is drawn, then replaced, and a red card is drawn second?
Using Trig to Find Angles
Answer:
57 degrees
Step-by-step explanation:
you the side opposite of angle m and the hypotnuse. So use cosine. cos-1(4.7/8.6) = 56.87197... So round to nearest degree is 57
I will give brainly
Below, the two-way table is given for a
class of students.
If a student is selected at random, find the
probability the student is a senior. Round
to the nearest whole percent.
[?]%
Answer:
The answer is 17%
Step-by-step explanation:
Help out on the bottom part
Answer:
x+2y=-3
x+2(-1)=-3
x-2=-3
x=-3+2
x=-1
SA = 2tr2 + 2trh
(Use 3.14 for a.)
Find the surface area of
a cylinder that has a base
radius of 2 feet and a
height of 14 feet.
square feet
Do NOT round your answer.
Enter
Answer:
that's wrong
Step-by-step explanation:
2x - 5 + 8x .....................................
Answer:
10x - 5
Step-by-step explanation:
2x - 5 + 8x Get the common variables.
-5 = 2x + 8x
10x - 5
Hope this is correct :)
Hello there I hope you are having an great day :)
2x - 5 + 8x = 10x - 5
Hopefully that helps you :)
what is the tone of the poem The Chimney Sweeper by William Blake
Answer:
The tone of the poem is one of gentle innocence and trust, which contrasts sharply with its grim subject. The young chimney sweeper's words show that he and his fellow sweep are in a harsh situation. They are the among most vulnerable in society: young children who are orphaned or unwanted.
Find the value of y !!
Answer:
y ≈18.8
Step-by-step explanation:
Since this is a right triangle we can use the Pythagorean theorem
a^2 + b^2 = c^2 where a and b are the legs and c is the hypotenuse
y^2 +18^2 = 26^2
y^2 +324=676
y^2 = 676-324
y^2 =352
Taking the square root of each side
sqrt(y^2) = sqrt(352)
y is approximately 18.76
y ≈18.8
d1=3.5in;d2=18in.
what is the area of the rhombus
Answer:
Area = 31.5 squared inches
Step-by-step explanation:
I am assuming d1 and d2 diagnol lengths, so if that's true, then answer would A=(d1*d2)/2 (3.5*18)/2 = 63/2 = 31.5 squared inches
Find area !! GIVING BRAINLIEST
Answer:
221
Step-by-step explanation:
area= length times width
13 times 17= 221
help me with this math problem plz
Answer:
2nd Choice
Step-by-step explanation:
1 week, according to the graph on 1 x axis (weeks) the y axis (tests taken) reaches 10
HI NEED HELP WITH TBJS PLZZZZZZZZZZZZZZZZZZZZZ which one plzz
Find the specified value for the arithmetic sequence with the given characteristics. & 16 =
52, d = -2 a1 =?
Answer:
i actually dont know the answer i just need
Step-by-step explanation:
points lol sorry shawty
Solve the problem in the picture, also show your work!!!!!!!!!!!
Answer:
i believe it is c:50 if you add pi to the radius and of 8
Step-by-step explanation:
Answer:
C) 50 inches
Step-by-step explanation:
C = 2(3.14) x r
C = 6.28 x r
C = 6.28 x 8
C = 50.24
50.24 ≅ 50
It takes 0.25 cup of sugar to make a batch of chocolate chip cookies. I have 5.505 cups of sugar. How many batches of cookies can I make?
Answer:
about 22 batches
Step-by-step explanation:
5.505 divided by .25
Answer:
4.6
Step-by-step explanation:
0.25+5.505=4.6 so that is the answer if you dont get it right me get it right because i just get ir on my test
Which expression represents the area of this shape?
Answer:
(2x2)+(2x6)
Step-by-step explanation:
area= length x breathe
= (2x2) + (2x6)
5.
For which value of x is the row in the table of values incorrect? The function is the quadratic function y equals the quantity 3 divided by 4 end of quantity multiplied by x squared.
A. x = 3
B. x = 2
C. x = 0
D. x = 5
Answer:
B. x = 2
Step-by-step explanation:
Answer:
x = 2
Step-by-step explanation:
check by substituting each given value of x into the function
x = 0 ⇒ y = × 0² = 0
hence (0, 0) is correct
x = 2 ⇒ y = × 4 = 3
hence (2, 4 ) is incorrect
x = 3 ⇒ y = × 9 = 6
hence (3, 6 ) is correct
x = 5 ⇒ y = × 25 = 18
hence (5, 18 ) is correct
HELPppppppppppPPPPPPPPPPPPPPPP
Answer:
B
Step-by-step explanation:
it's in the same location in Figure 2 as K is in Figure 1
2
Cameron has 6 pounds of pears.
A roasted-pears recipe requires
13 pounds of pears.
How many batches can he make?
Number sentence:
Solution:
Answer:
See explanation
Step-by-step explanation:
Pears Cameron has = 6 pounds
roasted-pears recipe per batch = 13 pounds
How many batches can he make?
Number of batches of roasted-pear = Pears Cameron has / roasted-pears recipe per batch
= 6 pounds / 13 pounds
= 0.4615384615384 pounds
Approximately,
Number of batches of roasted-pear = 0.46 pounds
Solve:|10n+6|=|8n+10|
Answer:
-8/9, 2
Step-by-step explanation:
see the steps below:)
y= x^2 + 8x + 10 what is it in a b c form
Answer:
Step-by-step explanation:
a=x^2
b=8x
c=10
The dog-to-cat ratio at the adoption center is 7:3 The total number of dogs and cats is 110. How many dogs are at the adoption center? How many cats?
Answer:
77 dogs
33 cats
Step-by-step explanation:
7+3 = 10
110 ÷ 10 = 11
11 x 7 = 77
11 x 3 = 33
Which set of angles could be the interior angles of a triangle?
A. 109, 20°, and 60°
B. 20°, 20°, and 50°
C. 20°, 30°, and 50°
D. 20°, 60°, and 100°
Answer:
D. 20°, 60°, and 100°
Step-by-step explanation:
basically you're testing which set adds up to 180°:
D should immediately catch the eye since it has a simple 100°, and 60+20 is 80, making D the correct answer
a: 189°
b: 90°
c: 120°
d: 180°
Carlos downloaded a pattern from the Internet for making a table with an
irregular polygon-shaped top. The instructions on the pattern say that the
scale factor is 11/2. The sides of the pattern are shown on the diagram below.
What is the length of the longest side of the finished tabletop?
Answer: did you ever get the answer?
Step-by-step explanation:
I need it too lol
Si se invierten $ 500 a una tasa de 5% anual. Hallar el valor futuro a 3 años si el interés es compuesto trimestralmente.
Answer:
the future value is $5800.38
Step-by-step explanation:
Given that
The invested amount i.e present value is $500
The rate is 5 % per year so quarterly rate is 5% ÷ 4 = 1.25%
The time period is 3 per year so for quartely it is 3 × 4 = 12
We need to find out the future value
So as we know that
Future value = Present value × (1 + rate of interest)^time
= $500 × (1 + 0.0125)^12
= $580.38
hence, the future value is $5800.38
In a group of 120 recruits at the police academy 80 are college graduates and 25 are army veterans. If 15 of the recruits are both college graduate and army veterans as shown above, how many are neither college graduate nor army veterans?
Answer:
the number of recruits neither be college graduate and nor army veterans is 30
Step-by-step explanation:
The computation of the number of recruits neither be college graduate and nor army veterans is as follows;
= Total recruits - (college students + army veterans - both college graduates & army veterans)
= 120 recruits - (80 + 25 - 15)
= 120 recruits - 90
= 30
hence, the number of recruits neither be college graduate and nor army veterans is 30