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A book cost $10 at one book store.About how much more does the book cost when the book store increase it prices 18%.
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Answer:
11.8
Step-by-step explanation:
18% of 10 so more the decimal only one time because you only have one 0 and you get 1.8. ok then 1.8 to 10 =11.8
The book cost $11.8 when the book store increases its prices by 18%.
What is the percentage?A percentage is a value per hundredth. Percentages can be converted into decimals and fractions by dividing the percentage value by a hundred.
Given, A book cost $10 at one book store which is 100% of its price.
Now, The book store increases its prices by 18%.
Therefore, The new price of the book is (100 + 18) = 118% of $10 which is,
= (118/100)×10.
= 1.18×10.
= $11.8
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1. -5(-4/7)=
2. 2(-3)=
3. -2(-2.6)
4. -5(0.8)
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2. -6
3. 5.2
4. -4
. 238/x = 17
HELP OMG HELP!!!!
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Answer:
Step-by-step explanation:
Answer:x = 14
My Step-by-step explanation:
Turn the problem around by switching around the division:
238/x=17 means 238/17=x so x = 14.
Tell whether the triangle with the given side lengths is a right triangle.
3.6 mm, 7.7 mm, 8.4 mm
The triangle is a right triangle.
The triangle is not a right triangle.
HELP QUICKLY
Answers
Answer:
Monkey says NO
Step-by-step explanation:
Monkey says A^2 + B^2 = C^2. Monkey do math, gets C = 8.5. So close, monkey sad. Not right triangle.
Solutions of 3x+2y=4 and 6x+4y=8
please tell me how many solutions there are , I will mark you brainiest!!!!
Answers
Answer:
Infinite solutions
Step-by-step explanation:
1) First, you can solve this easily by elimination. Multiply the first equation by -2 in order to cancel out terms when adding to the second equation.
2) Then, add the new set of equations together. However, everything cancels out, bringing us to 0 = 0. This means that the lines the equations make must be the same. Thus, all real numbers must make this equation true, meaning that there are infinite solutions.
Step-by-step explanation:
3x + 2y = 4
2y = -3x +4
y = -3/2x +2
6x+4y = 8
4y = -6x +8
y = -6/4x + 8
y = -3/2x + 8
same slope, bit different intercepts. they are parallel. no solutions
Each employee in a company is either right-handed or left-handed.
32 of the 54 employees are female.
18 of the 41 right-handed employees are male.
Complete the frequency tree for this information.
right-handed
32
left-handed
female
54
18
right-handed
left-handed
male
Total marks: 3
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Answer:
Right handed 41
Right handed male 18
Right handed female 23
Male employees 22
Female employees 32
Left handed 13
Left handed male 4
Left handed female 9
At Mr. Bill's Bike Shop it costs $3 per hour plus a $4 deposit to rent a bike. At Action
Wheels it costs $2 per hour plus a $7 deposit to rent a bike. The total cost, c, of renting a
bike for h hours at either bike shop can be represented by an equation. Write and solve a
system of equations to find how many hours each shop will have the same cost.
P
A. Write the system of equations based on the situation above.
B. Graph (Include: title, labels, points, lines and arrows)
YA
16
15
14
13
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System of Equations:
c = -3h - 4
c = -2h - 7
Graph in Attached Image :-)
please condense and/or solve and show work. 2log base 2 of x +log base 2 of 4=6
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2Log₂(x) + Log₂(2²) = 6
2Log₂(x) + 2 = 6
2Log₂(x) = 6-2
2Log₂(x) = 4
devide both side to 2
Log₂(x) = 2
2² = x
x = 4
help me with this answer please
Answers
Answer:
(0,1)
Step-by-step explanation:
0 because its intercept at 0 x-axis
1 because its intercept at 1 y-axis
also it is written in this way (0,1) because we write first the number on x-axis then y-axis
In circle N with the measure of arc MP= 98°, find mZMNP.
P
M
N
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Answer:Use the equation to find the arc length. KCJ or 105. is about 13.74 centimeters.
Step-by-step explanation: Use the equation to find the arc length. KCJ or 105. is about 13.74 centimeters.
Patryk has 7 cards.
There is a number on each card.
2 3 4 5 6 7 8
Patryk takes two of the cards at random.
He works out the product of the numbers on the two cards.
Work out the probability that the product is an odd number.
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Answer:
Probability that the product is an odd number = [tex]\frac{1}{7}[/tex]
Step-by-step explanation:
Given - Patryk has 7 cards. There is a number on each card. 2 3 4 5 6 7 8
Patryk takes two of the cards at random. He works out the product
of the numbers on the two cards.
To find - Work out the probability that the product is an odd number.
Proof -
As we know that Product of two numbers is odd iff both the numbers are odd.
So, we have to find the probabilty that both the card that Patryk choose is odd
Now,
Total number of cards = 7
Total number of odd cards = 3
So, Probability = ³C₂ / ⁷C₂
= [tex]\frac{3!}{2! (3-2)!}. \frac{2! (7 - 2)!}{7!}[/tex]
= [tex]\frac{3!}{2! (1)!}. \frac{2! (5)!}{7!}[/tex]
= [tex]\frac{3!}{(1)!}. \frac{ (5)!}{7.6.5.4.3!}[/tex]
= [tex]\frac{ 5.4.3.2.1}{7.6.5.4}[/tex]
= [tex]\frac{1}{7}[/tex]
∴ we get
Probability that the product is an odd number = [tex]\frac{1}{7}[/tex]
Write an equation of a line in slope-intercept form that passes through the point (8, 9) and has a slope of 3.
Answers
Answer:
y=3x-15
Step-by-step explanation:
y-y1=m(x-x1)
y-9=3(x-8)
y=3x-24+9
y=3x-15
cylinder a has a height of 8 cm cylinder b has a height of 12 find the surface area
Answers
Answer:
You can't answer the question. It is missing essential information. What is the radius of the circle at the end of the cylinder.
Step-by-step explanation:
have a good day
Mrs. Gilbert is interested in determining how many students spend 4 or more hours doing homework each week. She asks every student who earned Honor Roll for the first semester. Is her survey biased or unbiased?
A. biased, because she didn't ask random students
B. unbiased, because she asked every student on honor roll
C. biased, because she only asked students on honor roll
D. unbiased, because first semester is over
Answers
Answer:
C. Biased, because she only asked students on honor roll.
Step-by-step explanation:
Since Mrs. Gilbert's goal was to find how many students that spent >4 hours and not how many students that earned Honor Roll that spent >4 hours, the data is biased. Choose C.
6 - 3x = -6 PLEASE ANSWER FAST I NEED HELP!!!
Answers
Answer:
4
Step-by-step explanation:
Subtract 6 to both sides so you can get -12. Next divide -3 from x and -12. Finally your answer should be positive 4. Mark me brainily please if it is correct
hey please help, in your own words, what is a radical expression?
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factor tree 50 and 75 math
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Answer:
2 x 25 (50)
3 x 25 (75)
Step-by-step explanation:
Simplify the algebraic expression by combining like terms. Using algebra tiles might be helpful.
Link to Algebra Tiles
5x - 4 + x + 8 + 2x
Answers
Answer:
8x + 4
Step-by-step explanation:
Simplified
group like terms: (+5x + 1X + 2x) = 8x (-4 + 8) = 4 add the positive sign so you can get an equation: +4, so your simplified expression would be 8x + 4
8x + 4
Hope this helps!!
1. Solve the following expression if b=8. 10 b2(2=squared)
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Answer:
640
Step-by-step explanation:
In order of operations, do exponents before multiplying.
8 squared= 64
64 x 10=640
7b / b (when b = 2)
ANswer please
Answers
Answer:
7
Step-by-step explanation:
7b/b = 7...(b does not matter)
A group of workers can plant 2/5 acres in days.3/4 What is the unit rate in acres per day?
Answers
Answer:
8/15
Step-by-step explanation:
Unit rate is 8 / 15 acres per day.
What is work?
"Work is defined as when force is applied on an object and it gets move in particular direction."
According to the question,
Group of workers plant 2/ 5 acres in 3 /4 days
3 / 4 days = 2/ 5 acres
1 day = [tex]\frac{2}{5}[/tex] × [tex]\frac{4}{3}[/tex]
⇒ 1 day = 8 / 15 acres
Hence, Unit rate is 8 / 15 acres per day.
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URGENT will give brilliant mark For the reaction 2Na + Cl2 ------ 2NaCl, how many grams of sodium chloride can be produced from 500g of chlorine? ( atomic masses : Na = 23 , Cl = 35.5 g/mol) *
1 point
112 g
319 g
409 g
825 g
Answers
Answer:
825 g
Step-by-step explanation:
Here's my work:
500g Cl2 l 1mol Cl2 l 2 mol NaCl l 58.5 g NaCl
l 71 g Cl2 l 1 mol Cl2 l 1 mol NaCl
= 823.94 - the rounding can be a little off
The first thing you have to do is convert the 500 g of Cl2 into moles. So you get the mass of Cl which is 35.5, but Cl is diatomic by itself so you multiply 35.5 x 2 and get 71. now on the third column you are comparing the mol ratios of the equation. The equation is 2Na + Cl2 ---> 2NaCl, so you see that there is no coefficient in front of Cl2 so that means there is 1 mol, and then you see that in the product there is a coefficient of 2 in front of NaCl so that means there is 2 moles. Then finally you have to convert the moles backs into grams where you just add the masses of Na and Cl . You multiply across the top and then divide that number by the bottom row.
Can you answer the Situation For 50 points
Problem Situation: Jimmy is reading a book for school that is 175 pages long. So far, He has read 50 pages. She can read 25 pages per hour. How many hours will it take her to finish the remainder of the book?
Which answer choice best represents the unknown quantity in this problem
A: h, the number of hours it will take to finish the book
B: p, the number of pages she can read per hour
C: b , the total number of pages in the book
D: a, the number of pages she has already read
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Answer:
a
Step-by-step explanation:
How Many texts?please help.
Answers
Answer:
176
Step-by-step explanation:
91/9.10=0.10
17.60/0.10=176
Answer:
176
Step-by-step explanation:
can someone help me please
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Answer:
11. Jason needs to sell 35 bird feeders to make a profit of $135.12. 80 guests must attend the picnic to pay for the permit.Line A passes through the points (-4, 3) and (-2, -1). Line B passes through the points (-4, 4) and (-5, 7). At what point do the lines intersect?
Answers
Answer:
he
Step-by-step explanation:
njducnekm sjdnbdis djsbsj susbshd dbid
Mateo is an unsuccessful bitcoin investor. He made a loss of 93% by selling a bitcoin for $637.
At what price did Mateo buy the bitcoin?
Answers
Answer:
$9100
Step-by-step explanation:
Cost price = 100/(100-loss%)* Selling price
CP = 100(100-93)*637
CP = 100/7*637
CP = $9100
If you toss a coin and spin the spinner, what is the probability of landing on heads and spinning blue?
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Answer:
Step-by-step explanation:
There are two sides on a coin, heads and tails. So, the probability of flipping heads is going to be 1/2, as there is one chance out of the two options that you will flip a head. As for spinning blue, there are 3 options that are blue out of the four color options given. So, the probability of spinning blue would be 3/4. Hope this helped :) Take this with a grain of salt, though. It's been a while since I reviewed probabilities.
The required probability of landing on heads and spinning blue is 3/4.
What is probability?Probability is defined as the possibility of an event being equal to the ratio of the number of favorable outcomes and the total number of outcomes.
There are two sides to a coin, heads, and tails.
So, the probability of flipping heads is going to be half, as there is one option out of the two options that you will flip a head.
As for spinning blue, there are three choices that are blue out of the four color options given.
So, the required probability = favorable outcomes / total outcomes
So, the required probability = 3/4
Hence, the probability of spinning blue would be 3/4.
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HELP ME OMG I ONLY HAVE 2 mins
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I need some more help, I will mark brainliest