Answer:
The answer to this question would be (to my best guess), 36 hours.
Step-by-step explanation:
First
You have to find the ratio between 87.5% and 100%. This is because you want to find what 100% represents.
To do this, you have to divide 100 by 87.5, which would represent 100 divided by 87.5. This will equal 1.142857142857143 , which isnt an easy number to work with.
Lastly
You have to multiply 1.142857142857143 by 31.5, because you reverse the previous operation, but the only difference is you swap out the percentages with the numbers they represent. This equals the final answer, which is 36, representing 36 hours.
Determine the value of x in the figure.
A) x=70
B) x=140
C) x=40
D) x=35
Answer:
Yep it's C) 40°
Step-by-step explanation:
and rest one is 70°
What is the difference between speed and velocity
Answer:
Speed is during an action and velocity is built up when your using speed in a direction
Step-by-step explanation:
Does anybody know the answer to this question please I need help?!
Answer:
Juan earns 10 dollars a week at his job
Step-by-step explanation:
slope = 2; y-intercept = -1
HELP PLS what's the answer
Answer:
The question is incomplete but I assume you want to find the equation of a straight line with those details. Well the equation of a straight line is y=mx+c where m is the slope and c is the y-intercept
Therefore y=2x-1 is the equation of the line
Answer:
y=2x-1
Step-by-step explanation:
BRAINLIEST PLSSS
The table above shows the number of hours that Robin worked each week for 5 weeks. What would be the number of hours Robin worked in days?
does anyone know how to do this
Can somebody plz answer both questions! only if u done it before thanks!
WILL MARK BRAINLIEST WHOEVER ANSWERSS:DD
Answer:
48% is A and since i like quarters more than nickels and dimes its c for 30
Step-by-step explanation: Because I said so.
Answer:
To calculate the average you must add the percentages up and divide by the number of percentages. So, 52+28+34+95+16+63=288/6=48. The percentage is 48%.
For the second questions you take 100 divide by 3 since there are 3 coins and you get an 33.3%. But, since you can't have 0.3 of a coin. So, since you started with a nickel, you would end with a nickel giving you a percentage of 34% and the dimes and quarters a percentage of 33% each.
What is the mDEF? plz help
Answer:
m∠DEF = 148°
Step-by-step explanation:
The total sum of angles inside a triangle is 180°
m∠FDE + m∠EFD + m∠DEF = 180°
We can also see that because two sides are congruent, their angles are also congruent, so we can solve for x
m∠FDE = m∠EFD
2x + 8 = 3x + 4; subtract 2x from both sides
8 = x + 4; subtract 4 from both sides
x = 4; now we can substitute into equations
m∠FDE = m∠EFD;
2(4) + 8 = 3(4) + 4
8 + 8 = 12 + 4; 16=16; therefore = m∠FDE = m∠EFD = 16
To solve for m∠DEF
m∠FDE + m∠EFD + m∠DEF = 180°
16 + 16 + m∠DEF = 180
m∠DEF = 148°
What is the first step in evaluating (12.9 – 3.1) × 6.2 – 2 + 43
Answer:
101.76
Step-by-step explanation:
Answer:
(12.9 - 3.1) i'm in middle school so if i can do it you can
Step-by-step explanation:
893.76 divided by 0.21
Answer:
4.265
Step-by-step explanation:
893,76/ 0,21= 4.265
What is the solution set?
(2, 0)
(7, 0)
(0, -2)
(5, 3)
Which number replaces the question mark?
Answer:
13
Step-by-step explanation:
9+6-3+7-2=17
10+4-2+5-6=11
7+-4+9-5=13
What is the slope of a line containing (4,6) and (0,8)?
Answer:
[tex]m=\frac{-1}{2}[/tex]
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDASAlgebra I
Slope Formula: [tex]m=\frac{y_2-y_1}{x_2-x_1}[/tex]Step-by-step explanation:
Step 1: Define
Point (4, 6)
Point (0, 8)
Step 2: Find slope m
Substitute: [tex]m=\frac{8-6}{0-4}[/tex]Subtract: [tex]m=\frac{2}{-4}[/tex]Simplify: [tex]m=\frac{-1}{2}[/tex]Answer:
Slope is -1/2
Step-by-step explanation:
y2 - y1/x2 - x1
8 - 6/0 - 4
2/-4
-1/2
...... help lots of points available (plz answer it)
The function g(x) is a transformation of f(x). If g(x) has a y-intercept of -2, which of the following functions could represent g(x)?
A. g(x) = f(x) - 5
B. g(x) = f(x - 5)
C. g(x) = f(x) - 2
D. g(x) = f(x + 2)
Answer:
A.
Step-by-step explanation:
It just is trust
Write a polynomial function that has the given zeros.
1/2, 1 , 5
Answer:
1
Step-by-step explanation:
x²-1²...it can be written as (x+1),(x-1)...surely you will get -1 and 1 as your zero
Yesterday the temperature was 11°C. Today it is -11°C. In degrees Celsius, what is the change in
temperature?
How do I solve this equation and check the solutions?
Answer:
The value of x is 10.
Step-by-step explanation:
The steps to do this :
[tex]x - \sqrt{2x + 5} = 5[/tex]
[tex]x - 5 = \sqrt{2x + 5} [/tex]
[tex] {(x - 5)}^{2} = {( \sqrt{2x + 5}) }^{2} [/tex]
[tex] {x}^{2} - 10x + 25 = 2x + 5[/tex]
[tex] {x}^{2} - 12x + 20 = 0[/tex]
[tex] {x}^{2} - 2x - 10x + 20 = 0[/tex]
[tex]x(x - 2) - 10(x - 2) = 0[/tex]
[tex](x - 2)(x - 10) = 0[/tex]
[tex]x = 2 \: (rejected)[/tex]
[tex]x = 10[/tex]
An airline has two flights each day from City A to City B. A random sample of 10 morning flights left the gate an average of 15 minutes late with a standard deviation of 5 minutes. A random sample of 10 evening flights left the gate an average of 20 minutes late with a standard deviation of 3 minutes. Suppose both the morning and evening flights are 30 minutes late. To determine which flight is more late than usual, first find the z-scores. Round to one decimal place if necessary.
Answer:
Step-by-step explanation:
Let X denote the random variable that obeys the normal distribution.
Given that:
For morning flights
Mean [tex]\mu_1[/tex] = 15
standard deviation [tex]\sigma_1[/tex] = 5
Sample size [tex]n_1[/tex] = 10
[tex]X_1 \sim Normal ( \mu_1, \sigma _1)[/tex]
The Z - score is calculated as:
[tex]Z = \dfrac{x_1 - \mu_1}{\sigma_1}[/tex]
[tex]Z = \dfrac{30 -15}{5}[/tex]
[tex]Z = \dfrac{15}{5}[/tex]
Z = 3
For evening flights
Mean [tex]\mu_2[/tex] = 20
standard deviation [tex]\sigma_2[/tex] = 3
Sample size [tex]n_2[/tex] = 10
[tex]X_2 \sim Normal ( \mu_2, \sigma _2)[/tex]
[tex]Z = \dfrac{x_2 - \mu_2}{\sigma_2}[/tex]
[tex]Z = \dfrac{30 -20}{3}[/tex]
[tex]Z = \dfrac{10}{3}[/tex]
Z = 3.33
Hence, from the above z-scores, we will realize that the evening flight is more late than usual.
PLEASE HELPPPPP♥️♥️♥️♥️♥️♥️
It takes 3/4 of an hour to paint 3/5 of a room how long does it take to paint one room
Answer:
1 1/4 hours
Step-by-step explanation:
.75/.6=x/1
cross multiply
.75=.6x
divide by .6
x=1.25 hours
(I didn't write this awnser it was written by
Katieg3593 I just thought I would share the awnser).
HELPPPPPPPPPPP
WHAT IS 67+8,900+12+14+15????
Answer:
9,008
Step-by-step explanation:
67 + 12 = 79
14 + 15 = 29
79 + 29 = 108
8,900 + 108 = 9,008
plz mark me brainliest
Answer:
9008
Step-by-step explanation:
67+8,900= 8967
8967+12= 8979
8979+14 = 8993
8993+15=9008
-38=-2(n+6)+6(3n+1) Can you please solve marking branlest show work
Answer:
n = -2
Step-by-step explanation:
-38 = -2n -12 +18n +6
-38 =16n -6
-38 +6 =16n
-32= 16n
n=-2
Here is a table of values for y = f(x).
Х
0 5 10 15 20 25 30 35 40
f(x) 5 6 7
8
9
10 11
12 13
Mark the statements that are true.
A. f(15) = 8
✓ B. The range for f(x) is all real numbers.
✓ C. f(5) = 6
I D. The domain for f(x) is the set {5, 6, 7, 8, 10, 11, 12, 13).
the complete question in the attached figure
statements
case A) f(15)=8-----> is correct
for x=15
f(x)=8
case B) the domain of f(x) is the set {5,6,7,8,10,11,12,13}--> is not correct
because the domain of f(x) is the set {0,5,10,15,20,25,30,35,40}
case C) f(5)=6-----> is correct
for x=5
f(x)=6
case D) the range for f(x) is all real numbers----> is not correct
because
the range of f(x) is the set {5,6,7,8,9,10,11,12,13}
the answer is
A and C
Write a linear equation to represent this
A sculpting tool is in the shape of a solid triangular prism. The tool is made of 12 in.3 of metal and is 4 in. Long. What is the height of the base if it is 2 in. Wide?
Answer:
The height of the base if it is 2 in. Wide is 3 inches
Step-by-step explanation:
Volume of rectangular prism = [tex]\frac{1}{2} \times Length \times Base \times Height[/tex]
Volume of given rectangular prism = [tex]12 in^3[/tex]
Length of prism = 4 in
Base of prism = 2 in
Substitute the values in formula
So, [tex]12 = \frac{1}{2} \times 4 \times 2 \times Height[/tex]
[tex]\frac{12 \times 2}{4 \times 2}=Height[/tex]
3 = Height
Hence the height of the base if it is 2 in. Wide is 3 inches
Answer:
3 inches
Step-by-step explanation:
Marco buys a certain brand of shampoo for $7.25 plus 7.5% tax. How much will Marco pay in total for the shampoo? (Round your answer to the nearest hundredth)
Answer:
$6.35
Step-by-step explanation:
Answer:
$7.79
Step-by-step explanation:
7.25 + 7.25(0.075)
7.25 + ~0.54
7.79
What is 569 divided by 67.8
Answer: 8.39233038348
Step-by-step explanation:
Answer:
8.39233038348
Step-by-step explanation:
569/67.8=8.39233038348
Find each number 60% of 45
Answer:
27
Step-by-step explanation:
[tex]60\%\ of\ 45\\=\frac{60}{100} *45\\=\frac{60}{20}*9\\=3*9\\=27[/tex]
50 POINTS !!! Imogen bought i number of invitations to send out for her party. After she sent out 19, she was left with 11. What is the
value of ?
O 8
O 11
19
30
Answer:
Step-by-step explanation:
Just add 19 and 11 and you will get your answer!
HOPE THIS HELPS!
Answer:
da answer is 30
Step-by-step explanation: