Find the value of each expression mentally.
145.1
_
100
Answers
Answer:
1.45100
Step-by-step explanation:
If it dividing then this is the answer
Related Questions
For each description, write each percent increase or decrease as a percentage of the initial amount.
Then write an equation for the situation. The first one is done for you.
a) There were 22% fewer sunny days this year than last year.
1) What is the percent of the initial amount?
2) What is the equation?
(You have 2 days to do this please :) )
Answers
At a recent football game of 8,450 in attendance, 150 people were asked what they prefer on a hot dog. The results are shown.
Ketchup Relish Chili
54 36 60
Based on the data in this sample, how many of the people in attendance would prefer ketchup on a hot dog?
4,225
3,380
3,127
3,042
Answers
By proportion that is:(54/150) * 8450= 54 * 56 1/3= 3042
Answer:
By proportion that is:(54/150) * 8450= 54 * 56 1/3= 3042
Step-by-step explanation:
What value of h makes the equation true?
- 3/5 ( 10h + 25 ) + 15 = 24
Answers
Answer: h= -4
Step-by-step explanation:
Distribute -3/5(10h +25) +15 =24
3/5 of 10 is 6. 3/5 of 25 is 15. Make those negative. Now it's
-6h -15 +15 =24 (Cancel +15-15=0)
-6h= 24. Divide by -6 both sides.
h= -4
: Enter your answer and show all the steps that you use to solve this problem in the space provided.
Are the ratios
25/45
and
15/27
proportional? Explain.
Answers
Answer:
Yes
Step-by-step explanation:
First ration we will divide by 5 (both numbers) and second one by 3 (again both numbers).
First ratio becomes (25:5)/(45:5) = 5/9
Second ratio becomes (15:3)/(27:3) = 5/9
Since we can simplify them in that way that both are the same that means they are proportional.
because when we make them smaller like 25/45 divide by 5 and 15/27 divide by 3 it forms 5/9
Answer:
Yes
Step-by-step explanation:
If you divide 25/45 by 5 you get 5/9
Then you divide 15/27 by 3 you also get 5/9
Since both are equal to 5/9 they are proportional.
I need help with this question
Answers
Answer: 62.8in
Step-by-step explanation:
The formula for circumference is C=2πr. Put the values of 10 in for r and 3.14 in for pi, and you get an equation that looks like C=2(3.14)(10). Solving this equation gets you 62.8.
Answer:
62.8
Step-by-step explanation:
Circumference=2rpi
c=2*10*pi
c=20*pi
c=20*3.14
c=62.8
Please Help!! Will give brainly!!
A triangle has vertices on a coordinate grid at J(5,10), K(5,-9), and L(-5,-9). What is the length, in units, of {JK} ?
Answers
Answer:
The length of JK is 19. All you have to do is subtract -9 from 10 since they have the same x-coordinate.
10-(-9)
10+9
19
Step-by-step explanation:
Hope this helps!!
Ava is buying 30 baseball caps and pays a total of $240. Each cap costs the same amount. Determine whether the situation below represents a direct proportion, and justify your reasoning. If so, find the constant of proportionality.
Pls find the answer winter break is almost ending
Answers
90% of people marry there 7th grade love. since u have read this, u will be told good news 2night. if u don't pass this on nine comments ur worst week starts now this isn't fake. apparently if u copy and paste this on ten comments in the next ten minutes you will have the best day of ur life tomorrow. you will either get kissed or asked out in the next 53 minutes someone will say i love you...
The answer is 8 so its a direct proportion
I think...
The constant of Proportionality is 8.
What is constant of Proportionality?If the ratio of one variable to the other is constant, then there is a proportional relationship between the two variables. If x and y are in a proportional relationship, then the ratio of y to x is the constant of proportionality. We can also express it as x is to y at times.
Given:
Total Baseball Caps= 30
Total amount of Cap= $240
let the number of caps sold be c.
Then, the equation is
30 c= 240
and, c= 240/30
c= 8
Hence, the constant of Proportionality is 8.
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write an equation 331 students went on a Field trip's buses were filled and 7 students traveled in cars. How many students were in Each bus
Answers
Answer:
Step-by-step explanation:
i belief it is a subtraction problem so the answer should be 324
Answer:
52
Step-by-step explanation:
6x=331−7
Then 6x=324
After that you find out that x= 324/6 equals 52
PLEASE HELP!!!!!
In two or more complete sentences, develop a logical argument to either support or refute the following statements. Be sure to provide evidence supporting your decision.
Mass extinction is not something that, as a society, we need to be concerned with today. That only happened when dinosaurs became extinct.
Answers
Answer:
Mass extinction isn't likely to happen within the next few centuries and by then, it'll be likely that humans will have adapted to the changing environment both in their bodies, and technology. humanity isn't at danger as adaptations can always be made, and technology is constantly progressing so even if something happens that could possibly wipe out the majority of humans, well have already seen it coming and we'll be prepared to defend our species.
Select all the expressions that equal 6^{-10}6 −10.
a. 6^{-5} \times 6^{2}6 −5 ×6 2
b. (\frac{1}{6^{2}})^{5}( 6 21 ) 5
c. (6^{-5})^{2}(6 −5 )2
d. \frac{6^{-3}}{6^7}676−3
e. \frac{6^{5} \times 6^{-3}}{6^{-8}}6−865 ×6 −3
Answers
Answer:
d. \frac{6^{-3}}{6^7}676−3
a. 6^{-5} \times 6^{2}6 −5 ×6 2
Step-by-step explanation:
pleasemark this answer as brainlest
The expressions (b), (c), and (d) are all equal \(6^{-10}\).
What is algebraic Expression?Any mathematical statement that includes numbers, variables, and an arithmetic operation between them is known as an expression or algebraic expression. In the phrase 4m + 5, for instance, the terms 4m and 5 are separated from the variable m by the arithmetic sign +.
We have:
\(6^{-10} = \frac{1}{6^{10}}\)
a. \(6^{-5} \times 6^{2} = 6^{-3}\)
\(\frac{1}{6^{3}} \neq 6^{-10}6 -10\), so this expression does not equal \(6^{-10}6 -10\).
b.\((\frac{1}{6^{2}})^{5} = \frac{1}{6^{10}}\)
This expression equals\(6^{-10}\).
c. \((6^{-5})^{2} = 6^{-10}\)
This expression equals \(6^{-10}\).
d.\(\frac{6^{-3}}{6^7} = 6^{-10}\)
This expression equals \(6^{-10}\).
e. \(\frac{6^{5} \times 6^{-3}}{6^{-8}} = 6^{10}\)
\(6^{10} \neq 6^{-10}\), so this expression does not equal \(6^{-10}\).
Therefore, the expressions (b), (c), and (d) are all equal \(6^{-10}\).
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Can someone help me.
Answers
Answer:
A. x = -6
B. x = 15
Step-by-step explanation:
A.
\(\frac{x}{3}-5=-7\\\frac{x}{3}-\frac{15}{3}=-7\\\frac{x-15}{3}=-7\\x-15 = -7*3\\x-15=-21\\x=-21+15\\x=-6\)
B.
\(\frac{x}{2}-5=2.5\\\frac{x}{2}-\frac{10}{2} = 2.5\\\frac{x-10}{2}=2.5\\x-10= 2.5*2\\x-10=5\\x=5+10\\x=15\\\)
I hope this helps brother! :D
x/3-5=-7
+5. +5
x/3=-2
*3. *3
x=-6
b.
x/2-5=2.5
+5. +5
x/2=7.5
*2. *2
x=15
Please answer all questions and number them
Answers
Answer:
1. 23
2. 6
3. a to the power of 2 c to the power of 2
4. 10 y to the power of 3
5. b to the power of 3
Step-by-step explanation:
IT"S SO EaSY
2) 23
3) b3
4) 6
Please Hurry. I need this answer quickly please.
Answers
Answer:63
Step-by-step explanation:
multiply 72 by 7 then divide i by 8
(72×7)/8
=63
It's 63.
simplify the equation 7/8×72 multiple 7×9 solution is 63
HELP ANSWER THIS I WILL GIVE TEN POINTS AND THANKS!
REMEMBER TO EXPLAIN STEP-BY STEP! AND GET THE CORRECT ANSWER!
The units and tens digits of one-two digit integer are the tens and units digits of another two- digit integer, respectively. If the product of the two integers is 4930, what is their sum?
Answers
Answer:
(10t + u)(10u + t) = 4,930
100tu + 10t^2 + 10u^2 + tu = 4,930
101tu + 10t^2 + 10u^2 = 4,930
10t^2 + (101u)t + (10u^2 - 4,930) = 0
(101u)^2 - 4(10)(10u^2 - 4,930)
= 10,201u^2 - 400u^2 + 197,200
= 9,801u^2 + 197,200
We see that u = 5 gives 442,225.
√442,225 = 665
(10t + 5)(50 + t) = 4,930
500t + 10t^2 + 250 + 5t = 4,930
10t^2 + 505t - 4,680 = 0
2t^2 + 101t - 936 = 0
t = (-101 + √(101^2 - 4(2)(-936)))/(2×2)
= (-101 + √17,689)/4
= (-101 + 133)/4 = 32/4 = 8
So the numbers are 58 and 85.
58 + 85 = 143
HELP MEEEEE PLS I GIVE BRAINLIEST TO WHOMEVER GIVES ME LEGIT ANSWER!
Answers
Answer:
5/14
Step-by-step explanation:
5/12 divided by 7/6
5/12 x 6/7
which equals 5/14
angle F and angle G are complementary. Angle F measures (2x+7) and angle G degress measures 15. Find the value of x and the measure of each angle
Answers
Answer: X = 34
Angle F = 68
Angle G = 15
Step-by-step explanation: 2x+22=90
2x=68 divided by 2 on both sides, X = 34
Answer:
x = 34
Angle F = 75
Angle G = 15
Step-by-step explanation:
Complementary = 90°
2x+7+15=90
2x+22=90
2x = 64
x = 34
Angle F
2 * 34 + 7 = 75
Which expression represents the following calculation?
Find 7.4 times the difference between 87 and 24.
Possible answers (choose one but explain why you choose it, thanks.)
A. 7 . 4 × 87 − 24
B. 24 × ( 87 − 7 . 4 )
C. 24 × 87 − 7 . 4
D. 7 . 4 × ( 87 − 24 )
Answers
Answer: The expression that represents the following calculation is 7.4 × (87 - 24).
Step-by-step explanation: According to BODMAS, we can solve this question. In BODMAS, we have to solve the following in order :
B => Bracket
O => Of
D => Division
M => Multiplication
A => Addition
S => Subtraction
Using BODMAS, we can solve this question by solving the Bracket first. Then as in the Bracket, we have Subtraction, so we will solve that, and after solving the Bracket, we will go for Multiplication. Then, finally, we will get our required answer.
To learn more about BODMAS,
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A charity organization had to sell a few tickets to their fundraiser just to cover necessary production costs. After selling 101010 tickets, they were still at a net loss of \$800$800dollar sign, 800 (due to the production costs). They sold each ticket for \$70$70dollar sign, 70.
Answers
Answer:
Price of each ticket = $70
The revenue generated from sales of 10 tickets = 70 x 10 = $700
After selling the 10 tickets, organization was still at loss of $800. This means total product cost of tickets = $800 + $700 = $ 1500
Net Profit = Revenue - Cost
Revenue from n tickets will be = 70n
Cost = $1500
So, net profit as a function of number of tickets sold = P(n) = 70n - 1500
Step-by-step explanation:
please help!
Try to solve the equation below.
2x^2+18=10
Explain why this equation has no real number solutions.
Answers
Answer:
Step-by-step explanation:
The discriminant of this equation, i.e, D=\(b^{2}-4ac\) is less than 0:
D= 0-(4*2*18) --> which is clearly negative
When D is less than 0, the equation has no real number solutions.
Therefore, \(2x^{2}+18=0\) has no real roots
Answer:
Step-by-step explanation:
0 has no roots so thats one, and im just trying to complete a challenge so sorry if im wrong :( but make other person brainliest they did good job :)
Each number from 1 through 20 is written on a separate index card and placed inside a box. Which fraction in simplest form represents the probability that an index card with a number greater than 12 is chosen on the first attempt?
a
1/20
b
2/5
c
9/20
d
3/5
Answers
Answer:
The answer would be B 2/5
Step-by-step explanation:
I need help with how to solve this question. The answer is 6.25 I just don't know how. You deposit $2000 in an account that earns simple interest at an annual rate of 4%. How long must you leave the money in the account to earn $500 in interest?
Answers
!Help Help Help! lols
Answers
Answer:
Tricia travels at a rate of 50 miles per hour
Step-by-step explanation:
Answer:
75 miles per hour
Step-by-step explanation:
150 divided by 2 is 75
Sample Answer: Make a table with inputs showing the number of bottles of water and outputs showing the total cost of the water. Use 1, 2, 3, and 4 bottles for the inputs. Find the corresponding outputs. Plot the ordered pairs in the table of the form (input,output).
Which instructions did you include in your explanation? Check all that apply.
Identify the input.
Identify the output.
Create a table for four input values.
Plot the points from the table.
Answers
The instructions that you would include in your explanation are:
Identify the output.
Create a table for four input values.
Plot the points from the table.
The instructions to be includedIn the given question, a series of instructions are provided. To properly explain your process, you have to explain how you got the output. There is no need of explaining the input as they are already provided.
Next, you will Show how you created the table and why you created it in that way. Finally, indicate how the points were plotted on the table. An explanation such as this will help anyone to follow through.
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Answer:1 to 2
2 to 4
Step-by-step explanation:
I need help on these 5 questions:
Answers
Step-by-step explanation:
(2x-3)² - (4x+1)(x − 4)
4x² - 12x + 9 - 4x² - 16x + x - 4
group like terms
4x² - 4x² - 12x+x+9-4
-11x + 5
find the area of the shaded polygons
Answers
Answer:
372
Step-by-step explanation:
\(\frac{ h(b_{1} + b_{2} )}{2}\) where b is base and h is height. b1 is the top base which b2 is the bottom base (honestly, doesn't matter which one is which)
PLS HELP ITS FOR TOMORROW!!! D:
Answers
\(1.) \: \: \: \: \: = 66 \frac{2}{3} \)
explanation
The units of speed (km per hour) indicate which quantity you have to divide by which.
As the question is given in fraction form it is better to answer in fraction form.
If you find the answer as a decimal it is
66.66666. . which is a recurring decimal. It can be rounded to 66.6 but then it is no longer accurate.
A fraction is exact.
2.)To find gallons per hour, divide the gallons by the hours.
That would be 1/2 of the fuel consumed in 2 hrs
Take half of 5 which is 2 and 1/2
Take half of 2/3 which is 1/3
_________________
add 2 + ½ + ⅓_________________
½ = ³/6⅓ = 2/63/6 + 2/6 = ⅚2 + 3/6 +2/6 = 2 + ⅚_________________
2 and 5/6 gallons are consumed each hour
3.)\(13 \div \frac{1}{2} \)
multiply by the reciprocal\(13 \times 2\)
multiply\( = 26\)
4.)\( = 4\)5.) \( = \frac{9}{50} \)6.) Simplify\( = \frac{4}{5} \)\( = \frac{7}{8} \)\( = \frac{1}{15} \)\( = \frac{1}{9} \)\( = \frac{2}{11} \)\( = \frac{2}{3} \)\( = \frac{3}{20} \)\( = \frac{1}{6} \)\( = \frac{27}{49} \)
hope it helps
#carry on learning
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Duffy completed a 50-meter dash in 36 seconds. That was 90 percent of the time it took Paul to complete it. What was Paul's time?
A. 36 seconds
B. 42 seconds
C. 40 seconds
Answers
Answer: C
Step-by-step explanation: Cross multiply.
36/90 = x/100
3600/90 = 40
Please help me! I have an assignment due in an hour and I honestly need help on this.
Answers
Relationships
1,2 - Alternate Interior Angles
3,4 - Alternate Exterior Angles
6,7 - Alternate Exterior Angles
6,8 - Corresponding Angles
1,3 - Vertical Angles
2,5 - Same-Side Interior Angles
2,8 - Linear Pair
Driving at a constant speed, Reggie travels 300 kilometers in 1 hour.
What is Reggie’s speed in kilometers per hour?
Reggie drives at a speed of
kilometers per hour.
Answers
Answer:
Reggie drives at a speed of 300 km/hr
Step-by-step explanation:
Given parameters:
Distance covered by Reggie = 300km
Time taken = 1hour
Unknown parameter:
Speed of Reggie in km per hour = ?
Speed is a physical quantity which is classified as a scalar parameter. As a scalar, speed has magnitude but no directional attribute.
Also, speed is the rate of change of distance with time.
Mathematically;
Speed = \(\frac{Distance}{Time}\)
Now, to solve for speed, input the parameters given.
Speed = \(\frac{300km}{1hr}\) = 300km/hr
Therefore, Reggie drives at a speed of 300km/hr
Which linear equation shows a proportional relationship?
y = −2
y = 3x + 1
y equals three halves times x
y equals one half times x minus 3
Answers
Answer:
The correct answer:
y equals three halves times x (y = (3/2)x)