Answers
Answer:
Step-by-step explanation:
1) e) -3 - (-1) = -3 + (+1) = -2
f) [tex]3\frac{7}{8}- (-1\frac{1}{4}) = \frac{31}{8}-(-\frac{5}{4})\\[/tex]
[tex]= \frac{31}{8} + (+\frac{5}{4})\\\\= \frac{31}{8} + \frac{5*2}{4*2}\\\\= \frac{31}{8} + \frac{10}{8}\\\\= \frac{31+10}{8}\\\\= \frac{41}{8}\\\\= 5\frac{1}{8}[/tex]
Related Questions
There are 3,072 books in the school library. If 96 students team up to read all the books and each student reads the same number of books, how many books will each student need to read? *
Answers
Answer:
32
Step-by-step explanation:
Equivlency:
3072/96 =32
Which expression is equal to (−4x2−1)(2x2+3)?
−8x4−14x2−3
−8x4−10x2+3
−8x2−14x−3
8x4−14x2+3
Answers
Answer:
The first one:
−8x4−14x2−3
Step-by-step explanation:
(-4•2-1)(2•2+3)
-4•2 = -8
-8 - 1 = -9
(-9)(2•2+3)
2•2 = 4
4+3 = 7
(-9)(7) = -63
Now we find the one that equals -63:
-8•4-14•2-3
(-8•4)-14•2-3
-32-14•2-3
-32-(14•2)-3
-32-28-3
(-32-28)-3
-60-3
-60-3 = -63
BAM! THE ANSWER!
Answer:
The firs one is the right one
Step-by-step explanation:
Mr. Hawkins is covering a wall with
wallpaper. The room measures 14 feet by 12
feet in a rectangular shape. Each square foot
of wallpaper costs $2.90. What is the cost of
adding wallpaper to the room
Answers
Answer:
The total cost of adding wallpaper to the room is $487.20
Step-by-step explanation:
Basically, how I got the answer is:
1. The shorter sides of the rectangle are 12 and the longer sides are 14.
2. The formula for a rectangle is A = l x w. The "l" means length and the "w" means width. 14 is the length and 12 is the width. So you should now have A = 14 x 12. If you multiply 14 by 12, you will get 168.
3. Since 1 square foot of carpet costs $2.90, then you should multiply by 168, which will give you $487.20 and that's pretty much it.
Hope this helps! :)
The total cost of adding wallpaper to the room by Mr. Hawkins is $487.20.
What is Area?Area of a two dimensional shape is the total region which is bounded by the object's shape.
Given that the shape of the wall that Mr. Hawkins covering with wallpaper is rectangular.
The formula to find the area of a rectangular shape is,
Area of a rectangular shape = Length × Width
Given that,
Length of the wall = 14 feet
Width of the wall = 12 feet
Substituting the given measurements to the formula, we get,
Area of the wall = 14 × 12 = 168 feet²
Also, given that,
Cost for each square foot of wall = $2.90
Cost for 168 square feet = $2.90 × 168
= $487.20
Hence the total cost for adding wallpaper to the room is $487.20.
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which algebraic of an transformation on a coordinate grid does not preserve congruence
Answers
Answer:
rotation
Step-by-step explanation:
Can you help me find x and y intercept?
I dont understand how to do it.
Answers
Answer:
The y-intercept is where the line crosses the y-axis, and the x-axis is where the line crosses the x-axis. For example, the y-intercept for Line A is 2 because it crosses the y-axis at (0,2) on the coordinate plane.
Step-by-step explanation:
Answer: y= 12 and x= is a value
Step-by-step explanation:
x=2+7=x
y= 7+5=y which is 12
which points are separated by distance of 6 units?
A. (1,3) (6,3)
B. (7,2) (1,2)
C. (8,1) (1,1)
D. (5,6) (4,6)
Answers
what is (-2³)-2. PLEASE I NEED LOTS OF HELP. I BEG YOU
Answers
Answer:
-10
Step-by-step explanation:
-2³-2=-8-2=-10
2³= 8 = 2×2=4×2=8
c) (2x3 + 5x2 - 4x – 5) ÷ (2x + 1) calculate using long division
Answers
Nech sa páči dúfam že pomôže
What is a fraction form of 1.40?
Answers
Hope this helps :)
Please help ASAP Due in 1 hour!!! Marking Brainliest!!!
Answers
Answer:
the answer is d
Step-by-step explanation:
a function is where you have 1 output for every input so you can't have an x value with 2 different outputs
Answer: I’m sure it’s D
Step-by-step explanation:
HELP PLZZZZZ ASAP
What is the new price of a clock that is on sale for 25% off the original price of $30.00?
$25.00
$22.50
$23.50
$7.50
Answers
Answer: $22.50
Step-by-step explanation:
25% of 30 = 7.5
30 - 7.5 = 22.50
Answer:
$22.50
Step-by-step explanation:
$30.00 x %25 or .25 = $7.50
$30.00 - $7.50 = $22.50
Which is the best estimate for the percent equivalent to StartFraction 3 Over 8 EndFraction?
Answers
Answer:
The answer is 38%.
Mike got 31 out of 50 for a test.
The pass mark is 60%.
Did Mike pass the test?
Answers
Answer:
Yes Mike passed the test.
Step-by-step explanation:
31/50 is equal to 62% which is higher than the needed mark to pass.
Answer:
Yes
Step-by-step explanation:
Change denominator to 100 by multiply both denominator and numerator by 2, so 31*2= 62, so he passed the test.
Determine whether the statement is true or false. If it is false, rewrite it as a true statement. As the size of a sample increases, the mean of the distribution of sample means increases.
Answers
Answer:
False
-As the size of the sample increases, the mean of the distribution of sample doesn't change.
Step-by-step explanation:
From central limit theorem, as the size of a sample size increases, the sample mean and sample standard deviation will be far much more closer in value to the population mean(μ) and standard deviation(σ).
Thus, as the size of the sample increases, there will be no changes to the mean of the distribution of the sample mean.
BRAINLYEST TO THE FIRST PERSON TO GET THEM RIGHT AND 5 STARS!!!!! simplify 7/10 x 1/3 x 2/3 A. 7/45 B. 14/90 C. 1 2/5 D. 6 3/7 Simplify
4 2/5 x 3
A. 66/5
B. 4 2/5
C. 12 2/5
D. 13 1/5 Simplify
4 3/5 x 3
A. 69/5
B. 7 1/5
C. 12 3/5
D. 13 4/5 Simplify
4 2/5 x 3 2/5
A. 374/25
B. 9 3/5
C. 12 4/25
D. 14 24/25 Simplify
(3/4)^2
A. 3/4
B. 6/8
C. 9/16
D. 2 1/4
Answers
Answer:
1) 7/45
2) 13 1/5
3) 13 4/5
4) 14 24/25
5)9/16
Step-by-step explanation:
ez
A truck driver travels from a distributor to a retailer every week. The driver records the distance that he is from the retailer at dilferent
times during his trip. After several weeks of collecting data, the driver creates a scatter plot of the data. The best-fit line is y = 73.6 --
67.8x, where x is the number of hours spent driving and y is the distance, in miles, from the retailer.
Which of the following statements are true? Select all that apply.
The distance from the retailer decreases with time.
The distance from the retailer increases with time.
OOOOO
The distributor is 73.6 miles away from the retailer
The distributor is 678 miles away from the retailer
The truck is traveling at a rate of 67.8 miles per hour.
Answers
Answer:
B. The distance from the retailer decreases with time, D. The distributor is 73.6 miles away from the retailer, E. The truck is traveling at a rate of 67.8 miles per hour.
Answers: B, D, E.
Step-by-step explanation:
How many times does 25 go into 63
Answers
Answer:
2 times
Step-by-step explanation:
25 x 2 is 50. And 25 x 3 is 75, and 75 is larger then 63.
what fraction of 5 liter is 1500 ml
Answers
algebra 1 please help
Answers
Answer:
that seems hard
Step-by-step explanation:
i cant see the pic tho
A cylinder has a height of 9 inches and a diameter of 12 inches. What is its volume?
Answers
Answer:
The volume of the cylinder is 4071.5
May I have brainliest please? :)
What is the best estimate of the quotient of 118.6 ÷ 29
Answers
Answer:
4.1Step-by-step explanation:
The quotient id the output of the value when 29 is divided by 118.29
On dividing;
118.6/29 = 4 + {26/29}
4 + {26/29} = 4 + 0.08966
4 + 0.8966 = 4.08966
Hence the best estimate will be the estimate of the value to the nearest one decimal place and that is 4.1.
What are the X and y intercepts?
Answers
Answer:
2,1
Step-by-step explanation:
-6 x 1
I don't understand
Answers
Answer:
It's literally -6.
Step-by-step explanation:
Answer:
-6
Step-by-step explanation:
Any negative number times a positive number, is automatically going to be a negative number.
- X + = -
- X - = +
+ X + = +
Raymond drove from San Antonio to Dallas in 5.2 Hours. It is 390miles from San Antonio to Dallas. If Raymond drove at a constant rate of speed, and did not stop on the trip, how fast was Raymond driving?
Answers
Answer:
75 mph
Step-by-step explanation:
The speed of Raymond from San Antonio to Dallas is given by S = 75 mph
What is Speed?Speed is defined as the rate of change of position of an object in any direction. Speed is measured as the ratio of distance to the time in which the distance was covered. Speed is a scalar quantity as it has only direction and no magnitude
Speed = Distance / Time
Given data ,
Let the speed of Raymond from San Antonio to Dallas be S
Let the distance between San Antonio to Dallas be represented as D
Now , the value of D = 390 miles
Let the time taken for Raymond to travel D miles be T = 5.2 hours
Now , the speed is = Distance / Time
On simplifying , we get
The speed of Raymond from San Antonio to Dallas S = D / T
The speed of Raymond from San Antonio to Dallas S = 390 / 5.2
The speed of Raymond from San Antonio to Dallas S = 75 mph
Hence , the speed is 75 miles per hour
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I need help with this
Answers
Answer:
the answer is c and maybe b and aslo maybe a also maybe d
Step-by-step explanation:
hahah I hope this help but it is b b is the correct answer
Which scenario could be represented by this graph?
a. Randy turns the oven off. After heating his food for 10 minutes, he turns the oven off. The a-axis represents time; the y-axis represents the oven temperature.
b. Randy places a thermometer inside a beaker of water and brings it to a boil. When the water begins boiling, he turns off the heat and waits until the water returns to room temperature. The x-axis represents time; the y-axis represents the temperature reading.
c. Randy turns off the oven. After the oven returns to room temperature, he waits 10 minutes and then turns the oven back on. The x-axis represents time; the y-axis represents the oven temperature
d. Randy place is a thermometer inside a beaker of water and brings it to a boil. the x-axis represents time; the y-axis represents the temperature reading
Answers
Answer:
The answer is C
Step-by-step explanation:
When he turned the oven off the temperature dropped. Then is stayed at a steady 0° until he turned it back on, causing the graph to move up again because the temperature rose.
Answer:
The answer is C
Step-by-step explanation:
When he turned the oven off the temperature dropped. Then is stayed at a steady 0° until he turned it back on, causing the graph to move up again because the temperature rose.
A pre-algebra book is 8 1 half inches by 9 1 fourth inches. Determine the perimeter of the textbook.
Answers
Answer:
Rectangular book--
two 8 1/2 sides
two 9 1/4 sides
8 1/2*2=17
9 1/4*2=18 1/2
17+18 1/2= 35 1/2
The perimeter of the textbook is 35 1/2 inches or 35.5 inches.
-this is not mine btw creds to sunflowerem :))
Giving Brainliest To the First Correct Answer:)
Answers
Answer:
10
Step-by-step explanation:
12/2=6+4=10
Expand the expression.
t(–1.2w + 3)
Answers
Answer:
-2.5
Step-by-step explanation:
srry if I'm wrong...........
The expression t(–1.2w + 3) can be expanded as -1.2wt + 3t.
What is an expression?An algebraic expression in mathematics is an expression which is made up of variables and constants, along with algebraic operations (addition, subtraction, etc.). Expressions are made up of terms.
Given expression,
t (-1.2w + 3)
Using distributive property
-1.2wt + 3t
Hence, -1.2wt + 3t is the expanded form of the expression t(–1.2w + 3).
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Is the sum positive negative or zero without adding -8+20
Answers
Answer:
positive
Step-by-step explanation:
-8+20 will have a positive sum because the positive number 20 is greater than the negative number 8
Answer:
Positive
Step-by-step explanation:
Without adding you can tell wether a number is positive or negative with addition because it is basically a number line. Think of subtracting -8 from 0 which would give you -8. Now add 20 to it causing it to get out of the negatives and become positive.