Answer:
306.
Step-by-step explanation:
Firstly, we are aware 100% of 680 is obviously 680,
Next, we know half of a 100% is 50% therefore half of 680 is 340.
Then, we know 45% is 5% less than 50%
To find 5% of a number mentally, divide it by 10 as 100÷5=20
680÷20=34
Lastly 50% subtracted by 5%: 340-34=306.
Now we know, 45% of 680 is 306.
Hope this helps.
Hope this helps.Please mark BRAINLIEST.
The temperature of a city steadily drops during the day until it is half of what it was at the beginning of the day. It then decreases by an additional 6.8ºF after the sun goes down. The temperature at the end of the day is −3.1°F.
What was the temperature at the beginning of the day?
Enter your answer in the box.
ASAP PLZZ
Answer:
7.4
Step-by-step explanation i took the test
An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.
x - x/2 - 6.8 = -3.1
x = 7.4
The temperature at the beginning of the day was 7.4°F.
What is an expression?An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.
Example: 2 + 3x + 4y = 7 is an expression.
We have,
The temperature at the beginning of the day = x
The temperature during the day = x/2
The temperature after the sun goes down = 6.8°F
The temperature at the end of the day = -3.1°F
Now,
We can write an expression as,
x - x/2 - 6.8 = -3.1
x - x/2 = -3.1 + 6.8
x/2 = 3.7
x = 7.4°F
Thus,
The temperature at the beginning of the day was 7.4°F.
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A coin is flipped 80 times. It lands tails 47 times. What is the P (Heads)?
percentages pls
Answer:
%41.25
Step-by-step explanation:
80 - 47 = 33
33 divided by 80
convert to percentage
Help me, it's urgent
Answer:
a) 2.4 b) 2, -3
Step-by-step explanation:
sorry I only know a and b since yea
If there were 310 million people in the United States, what was the daily consumption rate in barrels per person in the United States? This is also called "barrels per capita." Round to the nearest hundredth of a barrel.
The daily consumption rate in the United States will be 10 barrels per person.
Your question is incomplete as you didn't provide the total barrels, therefore, an overview of the answer will be given. In their case, let's assume that the total barrels is given as 3.1 billion.
Therefore, the barrels per person will be:
= Total barrels / Population
= 3.1 billion / 310 million
= 10 barrels per person.
In conclusion, the correct option is 10 barrels per person.
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Tim asked his classmates if they preferred rock music or pop music. The ratio of students who liked pop music to rock music was 3 to 4. If Tim asked 14 classmates, how many like pop music?
Answer:
10.5 people like pop music.
Step-by-step explanation:
3/4 like pop music
3/4 = 0.75
75% of 14 = 0.75x14=10.5
Why is 100 4 tens and 14 tens
Answer:
That's false.
Step-by-step explanation:
4 tens would be 40 added together, and 14 tens would be 140 all together.
Solve pleaseee !!!..
Answer:
x=76
Step-by-step explanation:
#CarryOnLearning
Answer:x=76
Step-by-step explanation:
Distribute: -4(x-26)=-200 -4x + 104 - 104 = -200
Subtract 104 from both sides of the equation
-4x + 104-104 = -200-104
Simplify
Subtract the numbers
-4x +104-104=-200 - 104
-4x=-200 - 104
Subtract the numbers
-4x = -200 - 104
-4x = -304
-4x = -304
Solution
x=76
Use the IQR to determine if any of the data in the data set are outliers.
{23,80,43,23,0,20,23,23,20,28}
Using the IQR, the only outlier in the data set is: 0.
What is the IQR of a Data Set?IQR = upper quartile (Q3) - lower quartile (Q1).
Given the data set, 23,80,43,23,0,20,23,23,20,28:
Quartile (Q1): 20
Quartile (Q3): 31.75
IQR = 31.75 - 20 = 11.75
The outliers are data values that lie below:
Q1 - (1.5 × IQR) = 20 - (1.5 × 11.75) = 2.375
And data values that are above:
Q3 + (1.5 × IQR) = 31.75 + (1.5 × 11.75) = 49.375
Therefore, the only outlier is: 0.
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The local newspaper has letters to the editor from 80 people. If this number represents 2% of all of the newspaper's readers, how many readers does the newspaper have?
Answer:
The local newspaper has letters to the editor from 80 people. If this number represents 2% of all of the newspaper's readers, how many readers does the newspaper have?
Step-by-step explanation:
2%ofx=80
or, 2/100 *X = 80
or, 2x =800
or, x = 400
1.(154)10=(?)2
how to solve it help me!
Answer:
I am sorry i dont know but can you help me plz
need help with this algebra ii question
Vertex form: y = |x - h| + k
Vertex = (h, k)
G(x) was shifted 3 to the right and up 2.
G(x) = |x - 3| + 2
Hope this helps!! :)
Please help ME I NEED THIS also theres a photo
Let p and q represent the following simple statements:
symbolic representation is .........p v q read as p conjunction q .
Plz mark me brainest .
I don’t get this at all help.?
Answer:
Step-by-step explanation:
a) Volume of prism: 6 units x 4 units x 7 units = 168 cubic units
b) Area of shaded base: 4 units x 7 units = 28 square units
Volume of prism: 6 x 4 x 7
I need help with this Compound Inequality.
What are the law of indices
Answer:
What are the laws of indices?
Laws of indices provide us with rules for simplifying calculations or expressions involving powers of the same base. This means that the larger number or letter must be the same.
Step-by-step explanation:
The first law: multiplication
The second law: division
The third law: brackets
Negative powers
Power of zero
Fractional powers
im stuck pls help me
A bag of M&M’s has 7 red, 2 green, 3 blue, and 8 yellow M&M’s. What is the probability of randomly picking: (Round to 4 decimal places)
Answer:
Y = 40%
R or G = 25%
O = 0%
Step-by-step explanation:
Total M&M's = 7+2+3+8 = 20
PY = 8/20 = .4 or 40%
P(R or G) = (2+3)/20 = 5/20 = .25 = 25%
PO = 0/20 = 0%
A fruit basket has 16 apples and 6 bananas in it. What is the ratio of bananas to apples in the fruit basket?
i believe it is 6: but I dont know for sure
If AB= 4 units and DC=4 units , what is the length of BC
Answer:
4 units i think
Step-by-step explanation:
i dont know how beacuse 4 is answer
If you randomly select a card from a well shuffled standard deck of 52 cards, determine the probability that the card you select is 8.
a) reduce fraction
b) decimal rounded to the nearest thousands
c) percent round to the nearest tenth of a percent
Answer:
a) 1/13, b) 0.077, c) 7.7%
Step-by-step explanation:
There are 4 cards of 8 in a deck, so the probability is 4/52, which can be reduced to 1/13. 1/13 rounded to the nearest thousandths is 0.077, which is 7.7%.
1.42 as a percentage
Answer:
142%
Step-by-step explanation:
1.42 multiply by 100%? not quite sure
See attachment. Please give step by step solution. Thank you
Answer:
x=19
Step-by-step explanation:
cross multiply
(−3)(+5)(3+5)=(−3)(+5)⋅2−3
(−3)⋅3=(+5)⋅2
3(−3)=(+5)⋅2
=19
2n + 5 = n - 5
Find the number that n is
And please explain :)
Answer:
-10
Step-by-step explanation:
- The weight of 72 identical marbles is 183.6 grams. What is the weight of each marble? Explain how you
know the decimal point of your quotient is placed reasonably.
Answer:
the weight of each marble is 2.55 grams
The length of a rectangular garden is 22 feet longer than its width. If the area of the garden is 408 square feet, what are the dimensions of the garden?
Length=
Width=
Answer:
Length = 34 ft
Width = 22 ft
I know for SURE!
Pls mar branliest!!
Answer:
Length = 34
Width = 12
Step-by-step explanation:
Let the lenght of the garden be denoted by L, and let the width of the gardne be denoted by W.
The length of a rectangular garden is 22 feet longer than its width: L=W+22
The area of the garden is 408 square feet: A=LW=408
SubW+22 in for L in the equation LW=408 :
LW=408
(W+22)W=408
[tex]W^{2}[/tex]+22W-408=0
(W-12)(W+34)=0
So we have W=12 and W=-34. However, W can't be equal to -34 as width can't be negative. Therefore, the width of the garden is 12feet.
L=W+22=12+22=34. The length of the garden is 34feet.
What is 21596 rounded to the nearest Highest Place
Answer:
if i'm correct 20,000
Step-by-step explanation:
Like nobody is helpping me i been postting the same questions alot of time what are you doing yall want to to answer what yall want to answer i post the easy question that yall can and it ju0st like. who ever want to help there are questions on my page they are easy im telling you! 50 pts for who ever do and brainliest
Answer:
Sure if they are not too hard
Step-by-step explanation:
Please help me I need this done
Answer:
I will help you but question is not clear
Evaluate the expression when t = 0.2.
300t2−0.5÷t
Enter your answer as a decimal in the box.
help asap
Answer:
9.5
Step-by-step explanation:
Just put the 0.2 in the correct.
Answer:
9.5
Step-by-step explanation: I'm in K12 good luck.❣