6x-1/2=1 solve this equation
Answer:
cross ❌ multiply
6x-1=2
6x=2+1
6x=3
divide both sides by 6
x=1/2
-(3x + 1) > -7+3x
Plz help with this
Answer:
x<1
Step-by-step explanation:
Treat it like a normal equation
Distribute: -3x-1>-7+3x
Isolate x: -6x>-7+1
Because we are dividing by a negative number, we need to flip the sign
x<1
Answer:
0, -1
Step-by-step explanation:
1. Plug in for 5:
-(15 + 1) > -7 + 15
-16 > 8 (FALSE)
2. Plug in for 1
-(3 + 1) > -7 + 3
-4 > -4 (FALSE, they are equal)
3. Plug in for 0
-(0 + 1) > -7 + 3(0)
-1 > -7 (TRUE)
4. Plug in for -1
-(-3 + 1) > -7 - 3
-(-2) > -10
2 > -10 (TRUE)
5. Plug in for 20
-(60 + 1) > -7 + 60
-66 > 53 (FALSE)
6. Plug in for -32
-(96 + 1) > -7 + 96
-97 > 89 (FALSE)
You can find the answer by just plugging in for x. It's very easy and the rest is just addition and multiplication, so please put some effort. Hope this helps! :)
An estimated 1.8 million students take on student loans to pay ever-rising tuition and room and board (The New York Times, April 17, 2009). It is also known that the average cumulative debt of recent college graduates is about $22,500. Let the cumulative debt among recent college graduates be normally distributed with a standard deviation of $7,000. Approximately how many recent college graduates have accumulated a student loan of more than $30,000
Answer:
Approximately 256,140 recent college graduates have accumulated a student loan of more than $30,000.
Step-by-step explanation:
Normal Probability Distribution:
Problems of normal distributions can be solved using the z-score formula.
In a set with mean [tex]\mu[/tex] and standard deviation [tex]\sigma[/tex], the z-score of a measure X is given by:
[tex]Z = \frac{X - \mu}{\sigma}[/tex]
The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.
Average cumulative debt of recent college graduates is about $22,500, standard deviation of $7,000.
This means that [tex]\mu = 22500, \sigma = 7000[/tex]
Proportion more than 30000.
1 subtracted by the pvalue of Z when X = 30000. So
[tex]Z = \frac{X - \mu}{\sigma}[/tex]
[tex]Z = \frac{30000 - 22500}{7000}[/tex]
[tex]Z = 1.07[/tex]
[tex]Z = 1.07[/tex] has a pvalue of 0.8577
1 - 0.8577 = 0.1423
Approximately how many recent college graduates have accumulated a student loan of more than $30,000?
0.1423 out of 1.8 million.
0.1423*1.8 = 0.25614 million = 256,140
Approximately 256,140 recent college graduates have accumulated a student loan of more than $30,000.
A carpenter is measuring a cabinet to
ensure the sides create a right angle.
Determine whether the triangle is a right
triangle
Answer:
It is a right angle triangle.
Step-by-step explanation:
Use the pythagoras theorem. c^2 = a^2 + b^2.
5^2 = 4^2 + 3^2
25 = 16 + 9
25 = 25
Triangle RST reflectid over the x-and then translated 4 unita to the right What are the coordinates of the final image in its new position?
Answer:
R" (0,3)
S" (1,1)
T" (4,2)
Step-by-step explanation:
The reflection of the point (x, y) across the x-axis is the point (x, -y).
Translate right 4- add 4 to the x coordinate
R ( -4, -3 ) R' ( -4 , 3) R" ( 0 , 3)
S ( -3, -1) S' (-3 , 1) S" ( 1 , 1)
T ( 0 , -2) T' (0, 2) T" ( 4 , 2)
Please help me :) I will give Brainiest to whoever does! PLEASE HURRY
Answer:
18.33
Step-by-step explanation:
what is the slope of the line !?!?!
Answer:
Slope is -2
Step-by-step explanation:
Angles L and M are complementary. If m∠L = (x + 2)° and m∠M = (x – 6)°,
what is the value of x?
Answer: 47°
Step-by-step explanation:
(x + 2)° + (x - 6)° = 90°
x + 2 + x - 6 = 90
2x - 4 = 90
2x - 4 + 4 = 90 + 4
2x = 94
[tex]\frac{2x}{2} = \frac{94}{2}[/tex]
x = 47°
which technique is best to use for x² + 4x = 15
U want to go x2 plus x so its x3 then 4x3times -15 so x=3.33333
Pat is required to sell candy bars to raise money for the 6th grade field trip. There is a 40% chance of him selling a candy bar at each house. He has to sell 5 candy bars in all. Let X be of number of houses it takes a. Name distribution (with parameter(s)) of X. What is the probability he sells his last candy bar at the 11th house
Answer:
It will take him about 13 houses to sell the 5 candy bars.
Pat has an 18% chance of selling his last candy in the 11th house.
Step-by-step explanation:
Since Pat is required to sell candy bars to raise money for the 6th grade field trip, and there is a 40% chance of him selling a candy bar at each house, and he has to sell 5 candy bars in all, to determine the number of houses it takes and determine the probability he sells his last candy bar at the 11th house, the following calculations must be performed:
5 / 0.40 = X
12.5 = X
So, it will take him about 13 houses to sell the 5 candy bars.
5/11 = X
0.45 = X
0.45 x 0.4 = 0.18
Thus, Pat has an 18% chance of selling his last candy in the 11th house.
If a car traveling 40 miles per hour takes 50
feet to stop, then accurate to the nearest
tenth, how many seconds will it take to stop?
Answer:
t = 0.85 s
Step-by-step explanation:
Given that,
The speed of a car, v = 40 mph = 17.8816 m/s
Distance, d = 50 feet = 15.24 m
Let the time be t. The formula for speed is given by distance divided by time. So,
[tex]v=\dfrac{d}{t}\\\\t=\dfrac{d}{v}\\\\t=\dfrac{15.24 }{17.8816 }\\\\t=0.85\ s[/tex]
So, the required time is 0.85 s.
CAN YOU PLEASE HELP IM BAD AT MATH LOL
Answer:
1090 in²
Step-by-step explanation:
The surface area of the two cube = 7x7x6 + 13x13x6 = 1308 in²
But noted that there are overlapping of the two cubes, thus we need to minus 7x7 in² from the answer. Also, we need to minus 13x13 from the answer as the bottom face of the larger prism do not require staining.
∴The required surface area is 1090 in²
The volume of the small cube and large cube will be 2540 in³.
What is a volume of a cube?Suppose that: The side length of the considered cube is L units. Then, we get:
Volume of that cube = L³ cubic units.
The edge length of the small cube is 7 in.
The edge length of the large cube is 13 in.
Then the volume of the small cube will be
Volume = 7³
Volume = 343 in.³
Then the volume of the large cube will be
Volume = 13³
Volume = 2197 in.³
Then the volume of the small cube and large cube will be
Volume = 2197 + 343
Volume = 2540 in.³
More about the volume of the cube link is given below.
https://brainly.com/question/26136041
#SPJ2
Reuben walks 2.5 km every day. How far does he walk in 7 days?
Write your answer in meters.
Reuben walks a total distance of 17500 meters in 7 days.
To find the total distance Reuben walks in 7 days, we can multiply his daily distance by the number of days.
Reuben walks 2.5 km every day, and we want to find the total distance in 7 days. To convert kilometers to meters, we know that 1 kilometer is equal to 1000 meters. Therefore, we can multiply the daily distance in kilometers by 1000 to get the daily distance in meters:
2.5 km/day * 1000 m/km = 2500 m/day
Now we can find the total distance walked in 7 days by multiplying the daily distance by the number of days:
2500 m/day * 7 days = 17500 meters
It's important to note that this calculation assumes Reuben walks the same distance every day without any variation. If his daily distance were to change, the total distance walked in 7 days would also change accordingly. Additionally, this calculation is based on the given information and assumes there are no rest days or breaks during the 7-day period.
For more such questions on distance
https://brainly.com/question/30395212
#SPJ8
2878344
3562038
X 3570 =
Answer:
ucgr4ychch379c
Step-by-step explanation:
I don’t feel like doing math today might give branliest whoever answers
EN Sved. 10:22 AM
The triangle shown can be used
to represent a slope of
10
8
7
6
5
4
3
2
1
1 2 3 4 5 6 7 8 9 10
1
Son
Use the Connect Line tool to
construct a similar triangle that
can also represent a slope of 3
This triangle should not be
congruent to the one shown.
I uploaded the answer to a file hosting. Here's link:
tinyurl.com/wpazsebu
Which angle measure is a complement of an angle whose measure is 62 degrees?
A 96
B 118
C 16
D 28
angle measure is a complement of an angle whose measure is 62 degrees=90-62=28.
Answer:
D 28 is your answer
3/4x=5/8 what does x= i couldnt find the answer
[tex]\frac{5}{8}\frac{3}{4}[/tex]=x
x=[tex]\frac{5}{8} *\frac{4}{3}[/tex]
x=[tex]\frac{5}{6}[/tex]
Are the functions
y = -2x + 1 and 2x - 3y = 6 parallel, perpendicular, or neither?
Answer:
they are perpendicular. If you want to check, go on desmos and put both equations there.
PLZ HELP PLZ HELP brainlyist for correct answer
20 points!!!!!1
plssssssss
Given the phrase "Rules of Exponents," what might the word "Rules" mean?
Answer
I think they are things that you have to follow in order to work with the exponents
lll give points and brainalist for correct answer / explanation
Answer:
D
Step-by-step explanation:
A. false; the diameter of a circle is double the radius
B. false; the diameter of a circle is double the radius
C. false; the diameter of a circle is double the radius
D. true! The diameter is double the radius
Sonya paid $4.39 for a hero. She paid $0.95 for an orange and $1.67 for a drink. What is the total amount Sonya paid for all three items?
What is the slope of the line below? Be sure to scroll down first to see all
answer options.
10
10
118
(7.-5)
(14,-7)
A. -2
B. -
00
NIN
Answer:
i think c
i'm not sure tho
Step-by-step explanation:
an angle of 34°. If the arc is 162 feet tall, how far away is the bus? Round to the nearest tenth.
Answer:
the answer is 134 hope this helps.
What is lower quartile the median upper quartile for these numbers 1,3,4,6,6,8,9
Answer:
Step-by-step explanation:
Quartile means fourth
break up the numbers in to 4 groups, start by finding the middle numbers and split the numbers in half. Then split both of those two groups in half to find the quartiles.
Lower quartile is the group with the smallest numbers.
Median is the middle number (of the whole group).
Upper quartile is the group with the largest numbers.
snfnannfmskfmskfkwkwmfne
Answer:
45 degrees
Step-by-step explanation:
DBC: 180 - 135
DBC: 45 degrees
Hope that helps!
I need help with 4,6,7 and 8
Answer:
4) 180
6)194.4
7) 691.2
8) 8.1
Step-by-step explanation:
I think....srry if im wrong
A building is acquired on January 1,at a cost of 930,000 with estimated useful life of 8 years and salvage value of 73,700
Answer:
Year 1 = $196,000
Year 2= $156,800
Year 3= $125,440
Step-by-step explanation:
$980,000 x 20 % = $196,000
Net book value
$980,000 - $196,000 = $784,000 (to be used as base for year 2)
Year 2
$784,000 x 20% = $156,800
Net book value
$784,000 - 156,800 = $627,200
Year 3
$627,200 x 20% = $125,440
Net book value
$627,200 - $125,440 = $501,760
*Salvage value is ignored in computing the yearly depreciation expense under double-declining-balance method. The reason of it is that, it will take longer to depreciate an asset compare to it’s useful life if we deduct salvage value from original cost in depreciating an asset.