Answer:
20 kph
Step-by-step explanation:
Step 1:
10 : 30 Ratio
Step 2:
60 mins in hour
Step 3:
10 : 30 = x : 60 Equation
Step 4:
30x = 600 Multiply
Step 5:
x = 600 ÷ 30 Divide
Answer:
x = 20
Hope This Helps :)
Brainliest for correct answer! There are several ways to collect data. Which of the following is crucial for statisticians to call a method an experiment?
A. Eliminating bias
B. Randomness
C. Researcher assigns subjects to groups
D. Placebos
Answer:
I think the answer would be A
Answer:
A
Step-by-step explanation:
tell whether the given statement below illustrate quadratic inequality in one variable or not you may translate into mathematical symbols to justify your answers.
Answer:
Step-by-step explanation:
Let width of the parking space = x meters
Since, parking space is 6 meters longer than the width,
Length of the parking space = (x + 6) meters
Area of the parking space = Length × Width
= x(x + 6)
Area of the parking space is less than 40 square meters.
Therefore, inequality representing the area of the parking will be,
x(x + 6) < 40
x² + 6x < 40
x² + 6x - 40 < 0
x² + 10x - 4x - 40 < 0
x(x + 10) - 4(x + 10) < 0
(x - 4)(x + 10) < 0
-10 < x < 4
For -10 < x ≤ 0, width of the paring will be negative.
Therefore, possible values of x will be in the interval,
0 < x < 4
Or 0 < width < 4
Length of the parking space will be,
6 < Length < 10
Graph the linear function that passes through the point (1. -9) and has a slope of -3. (just give me points :)
What is the zero of the function?
Pete has a blueprint that shows the layout of his house. Every 4 inches on the blueprint represents 3 feet of the actual house. One of the walls on the blueprint is 30 inches long. What is the actual length of the wall?
Answer:
30÷4=7.5 ft ?I'm not sure if it's right
The following are the last 10 run scores Colin got in cricket: 5, 3, 9, 11, 4, 28, 0, 30, 0, 23 a) Work out Colin's mean score.
Answer:in pula mea dute si invata nu mai venii aici\
Step-by-step explanation:vezii ca daca nu invetii ii zic lu mata aia creata ca folosesti brainly bai nesimtitule mars la munca nu la frecat ou bai labare.
[tex]\sqrt{x}[/tex]
In ABC, angle A = 30 degree , angle b=45 degree find the angle c
Answer:
95 degrees
Step-by-step explanation:
in a triangle angles add up to 180 degrees.
a + b + c = 180
30 + 45 + c = 180
85 + c = 180
c= 180 - 85
c= 95 degrees
Consider the system of inequalities and its graph.
y ≥
y ≤ x – 3
On a coordinate plane, 2 solid straight lines are shown. The first line has a positive slope and goes through (negative 8, negative 2) and (0, 0). Everything above the line is shaded. The second line has a positive slope and goes through (0, negative 3) and (3, 0). Everything to the right of the line is shaded. The section in quadrant 1 is labeled 3, the section in quadrant 2 is labeled 2, the section in quadrant 3 is labeled 1, and the section in quadrant 4 is labeled 4.
In which section of the graph does the actual solution to the system lie?
1
2
3
4
Answer:
3
Step-by-step explanation:
Given h(x)=3x+4h(x)=3x+4, solve for xx when h(x)=1h(x)=1.
What logarithm is equal to 4log3?
The logarithm which is equivalent to the logarithm 4log3 as given in the task content is; Log 81.
What is an equivalent logarithm?According to the task content; we are required to determine the logarithm which is equivalent to the given logarithm; 4log3.
It follows from the laws of logarithm that the logarithm which is equivalent to the given expression is; log(3)⁴ = log 81.
Read more on logarithm;
https://brainly.com/question/25710806
#SPJ2
Which method can be used to find the range of a set of data? Find the difference between the maximum and minimum values. Find the difference between the upper and lower quartiles. Find the median of the upper half of an ordered data set. Find the sum of the maximum and minimum values.
Using the range concept, it is found that the method used to find it is:
Find the difference between the maximum and minimum values.
What is the range of a data-set?The range of a data-set is given by the difference between the maximum value in the data-set and the minimum value in the data-set.
Hence, the correct option about the method used to find the range is:
Find the difference between the maximum and minimum values.
You can learn more about the range of a data-set at https://brainly.com/question/24732674
Answer:
(B) Find the difference between the upper and lower quartiles.
I really need help!!!
if f(x)=x^2+4x-5, find f(-4)
Answer:
−5
Step-by-step explanation:
By substituting the value of x in f(x) with -4,
(-4)^2+4(-4)-5
=16+(−16)−5
=0−5
=-5
Your welcome :D
Holly's checking account has a dollar balance. Emily's checking account has a dollar balance. Which of the following is true about their account balances?
A.
Holly's account balance > Emily's account balance
B.
Holly's account balance < Emily's account balance
C.
Holly's account balance = Emily's account balance
Answer:
C
Step-by-step explanation:
Both Holly and Emily have the same account balance thus it is equal to
Answer:
Dont listen to the person its actually B
Step-by-step explanation:
On a number line, smaller numbers are to the left of larger numbers.
Negative values are always less than positive values.
So, the following is true.
Holly's account balance < Emily's account balance
There are 14 boys and 35 girls on a class. What is the ratio of boys to girls in the class?
Answer:
14:35
Step-by-step explanation:
Answer:
14:49 boys 35:49 girls
Step-by-step explanation:
35+14=49
I need help plzzzz answer quick
Answer:
what do you do, help
Step-by-step explanation:
I need to know what's 1131÷29 pronto
the answer is 39 because you need to divide.
Given the points A(-l , 2) an d B(7, 14), find the coordinates of the point P on directed line segment AB that partitions AB in the ratio 1:3
Answer:
ethiopia
Step-by-step explanation:ethiopia ethiopia ethipoia
2,11,20 find the t15
Answer:
128
Step-by-step explanation:
There is a common difference between consecutive terms, that is
11 - 2 = 20 - 11 = 9
This indicates the sequence is arithmetic with n th term
[tex]t_{n}[/tex] = t₁ + (n - 1)d
where t₁ is the first term and d the common difference
Here t₁ = 2 and d = 9 , thus
t₁₅ = 2 + (14 × 9) = 2 + 126 = 128
if a cylinder has a volume of 99 cubic centimeters , what is the volume of a cone with the same dimensions
Answer:
900
Step-by-step explanation:
Evaluate p2 - r2 for p = 10, r = -4 and t = 5.
Answer:
84
Step-by-step explanation:
p^2-r^2= 10^2-(-4)^2
100-16=84
y-3= 5(x - 2)
NEED HELP
Answer:
Y = 5x -7
Step-by-step explanation:
That is written in slope intercept form, which I'm assuming is what you need. If not comment on my answer.
Answer:
y = 5x - 7
Step-by-step explanation:
y-3= 5(x-2)
y-3 = 5x - 10
y=5x -7
This is the answer if you have anymore questions please ask
i need help asap plz
Answer:The y-intercept is roughly D=25
Step-by-step explanation: The y-intercept is where the line passes through the y-axis. On this graph the y-axis passes through the y-intercept at 25.
TRUE OR FALSE? PLS HELP ME! ILL GIVE BRAINLIEST!!
Answer:
True!
From: Mr. Otero
I dont understand how to explain this.
Answer:
Angle F is 50° because their side lengths are different but the angle measurements did not change. All triangles add up to 180 degrees and a right angle is 90 and it gives you the other angle measurement. So you would do 40 plus 90 which would get you 130. To find the last angle you would do 180 minus 130 which is 50. Angle F is 50 degrees.
Step-by-step explanation:
this is what i would say
i don’t know how to find the equation for this problem
Sofia measured a line to be 8.9 inches long. If the actual length of the line is 8.7 inches, then what was the percent error of the measurement, to the nearest tenth of a percent?
Answer:
2.2%
Step-by-step explanation:
Use the percent error formula:
% error = | (approx - exact) ÷ approx | x 100
Plug in the approx. and exact values:
| (8.9 - 8.7) ÷ 8.9 | x 100
| (0.2) ÷ 8.9 | x 100
= 2.2
So, the percent error is 2.2%
Answer:1.2%
Step-by-step explanation:
∣experimental−actual∣
×100
The formula
∣
8.7
−
8.6
∣
8.6
×
100
8.6
∣8.7−8.6∣
×100
Plug in values
∣
0.1
∣
8.6
×
100
8.6
∣0.1∣
×100
Subtract
0.1
8.6
×
100
8.6
0.1
×100
Take the absolute value
0.0116279
×
100
0.0116279×100
Divide
1.16279
1.16279
Multiply by 100
1.2
%
1.2%
Solve the equation and write a text explaining every step of your solution. 4 - 3x = 14 - 5x
How do you do this?
Answer: 14 - 5 x 5 = -11, and 4 - 3 x 5 = -11.
Step-by-step explanation:
what i did here was just plug in some numbers until the equations reached the same solution. there are probably better ways to do this but i hope this helps anyway.
Which of the inequalities matches the graph below?
Graph of an inequality with shading above the line passing through points (-6,4) and (0,2)
LaTeX: y\ge-3x+2
y
≥
−
3
x
+
2
y
≥
−
3
x
+
2
LaTeX: y\ge-\frac{1}{3}x+2
y
≥
−
1
3
x
+
2
y
≥
−
1
3
x
+
2
LaTeX: y\le-3x+2
y
≤
−
3
x
+
2
y
≤
−
3
x
+
2
LaTeX: y\le-\frac{1}{3}x+2
Answer:
y≤-1/3x+2 is the correct answer
Step-by-step explanation:
A system of linear equations includes the line that is created by the equation y = 0.5 x minus 1 and the line through the points (3, 1) and (–5, –7), shown below. What is the solution to the system of equations?
Answer:
The solution to the system of equations is x = 4 and y = 2.
Step-by-step explanation:
From statement we know that the first line is [tex]y = 0.5\cdot x[/tex]. The second line is determined by knowing two distinct points and solving the resulting system of equations by definition of the equation of the line:
[tex](x_{1},y_{1}) = (3,1)[/tex] and [tex](x_{2}, y_{2}) =(-5,-7)[/tex]
[tex]3\cdot m + b = 1[/tex] (1)
[tex]-5\cdot m + b = -7[/tex] (2)
The solution of the system of equations is:
[tex]m = 1[/tex], [tex]b = -2[/tex]
The second line is represented by [tex]y = x-2[/tex]. And the resulting system of equations is:
[tex]0.5\cdot x -y = 0[/tex] (3)
[tex]x-y = 2[/tex] (4)
The soltuion to the system of equations is:
[tex]x = 4[/tex], [tex]y = 2[/tex]
The solution to the system of equations is x = 4 and y = 2.
Fast question please gelp
Answer:
D
Step-by-step explanation:
3x+6=9
3x=3
x=1
helpppppppppppp9oooooo
Answer:
55
Step-by-step explanation:
Given
m + (3n - 5)² ← substitute given values into the expression
= 6 + (3(4) - 5)²
= 6 + (12 - 5)²
= 6 + 7²
= 6 + 49
= 55