Answer:
100
Step-by-step explanation:
1/10(3n+50)=35
3n+50=35*10
3n+50=350
3n=350-50
3n=300
n=300/3
n=100
When 4(0.5x+2.5y-0.7x-1.3y+4) is simplified, what is the resulting expression?
-0.8x+4.8y+16
0.8x-4.8y+16
-0.8x-4.8y+4
0.8x+4.8y+4
Answer:
-0.8x + 4.8y + 16
Step-by-step explanation:
4(0.5x+2.5y-0.7x-1.3y+4) = 4( 0.5x - 0.7x + 2.5y - 1.3y + 4)
= 4( -0.2x + 1.2y + 4)
= 4*(-0.2x) + 4 *1.2y + 4*4
= -0.8x + 4.8y + 16
Answer:
-0.8x + 4.8y + 16
Step-by-step explanation:
hope this helps
Estimate 12% of 77?
Answer: 9.24
Step-by-step explanation:
12*77 = 924
= 9.24
The answer to the given question is estimating 12% (percent) of 77, we get the answer 9.24.
To calculate 12% of 77 precisely, we can use the following formula: percent / 100 × given number
= 12% of 77
= (12/100) × 77
= 9.24
Therefore, 12% of 77 is 9.24.A percentage is a way of expressing a number as a fraction of 100. The symbol "%" is used to is used to indicate a percentage. For example, if we say that something is 25%, we mean that it is 25 out of 100 or 0.25 as a decimal. Percentages are used in many different areas, such as finance, statistics, and science. They can be used to represent proportions, rates of change, or as a way to compare different quantities. One common use of percentages is to calculate percentage change or increase. This is done by finding the difference between two values and expressing it as a percentage of the original value.
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A truck used 28 gallons of gas when driving 1008 miles. What is the rate per gallon?
Answer:
36 miles per gallon (mpg)
Step-by-step explanation:
To solve this problem, you are going to divide the total miles driven by the total gallons of gas used. This will mean that you will divide 1008 miles by 28 gallons. This will result in a final answer of 36 miles per gallon. My work is below and please let me know if you have any questions!
1008 / 28 = 36 miles per gallon
Answer:
1 gallon = 36 miles
Step-by-step explanation:
In order to find out you need to divide 2008 miles by 28 gallons
What is the value of the expression
-3-(-4)?
Answer:
The value of this expression is -7
Roberto has $200 in spending money. He wants to buy some video games that cost $25.50 each. Write and solve an inequality to find the number of
games, g, that Roberto can buy.
Inequality (use g as your variable):
Roberto can buy up to
video games.
Answer:
$200.00/$25.50 = g
Step-by-step explanation:
200.00 / 25.50 = 7 games
If the dimensions of a triangle are cut in ____, then the new perimeter is one-fourth of the original perimeter.
1. half
2. thirds
3. fourths
Answer:
Fourths
Step-by-step explanation:
If all the sides of the triangle added together is equal to P, then the sides of the new triangle would be P/4. Therefore the answer would be fourths.
Help need answers to this asap
7/8 ÷ 7/16 = Reduce your answer to the lowest terms.
How might this number be shown on a calculator? 6.2x1015 6.2011
Answer:
This is the answer to your question
Determine whether y=9(−5)x represents an exponential function.
Which problem situation could be used to solve the open sentence below? p/12=? please help it’s overdueee
Answer:
Its B, If P is the total amount of $ you would divide by 12 to find the number of times she took the garbage out
See image for question.
Please show workings and diagrams.
Answer:
a) 7 kmb) 298°Step-by-step explanation:
See attached diagram (not to scale).
All given details reflected.
a) Find the measure of XZ using the law of cosines:
y = √(5² + 3² - 2*5*3*cos 135°) = 7 km (rounded)b) Now using the law of sines find the measure of angle X:
7 / sin 135° = 5 / sin X sin X = 5 sin 135° / 7m∠X = arcsin (5 sin 135° / 7 ) = 28° (rounded)The bearing of Z from X is:
270° + 28° = 298°How do I do this?
Write the equation of a cubic function with the following transformations.
1) Horizontal shift to the right 5 units
2) Vertical shift up 4 units
3) Vertical compression by a factor of ½
Answer:
1/2f(x-5)+4
Step-by-step explanation:
the base function x^3 then the transformations happen.
1) f(x) becomes f(x-5)
2)+4 is added to the end of the equation f(x-5)+4
3)add 1/2 to the beginning of f(x) 1/2f(x-5)+4
Input any cubic function for f(x)
The measures of the angles of a triangle are in a ratio 2/3 / 5 . What are the measures of the angles?
Answer:
36°, 54°, 90°
Step-by-step explanation:
2:3:5 equal 10 parts in total
there are a total of 180 degrees in a triangle
180°/10 = 18°
2(18°) = 36°
3(18°) = 54°
5(18°) = 90°
Relative frequencies are calculated as ___________.
Total
Ranges
Medians
Percentages
Answer:
I believe the answer is D: Percentages
Step-by-step explanation:
I believe this is the answer because relative frequency is also titled as another approach to probability that is described in either proportions or percentages.
Please i need help fast! Which of the following sets of numbers could not represent the three sides of a triangle?
Answer:
{7, 21, 28}
Step-by-step explanation:
In order for three sides to add up to a triangle, the two shorter sides must have a sum of greater than the longest side.
Since 7 + 21 = 28, and 28 = 28, that group of sides cannot add up to be a triangle.
Have a nice day!
Becky used 8 gallons of gas driving to visit her friend. Her car used gas at the rate of 24 miles per gallon. How far did she drive?
Answer:
192
Step-by-step explanation:
8 x 24 = 192
39/8 as a decimal... I've forgotten how to turn fractions into decimals
Answer:
4.222222 or jus 4.2 with - over the 2 to indicate multiple 2's
Answer:
4.875
Step-by-step explanation:
Pretty simple, just divide the numerator by the denominator.
1) f(x)=(x - 3)(x - 5)
A f(x) = x2 - 8x+15
B. f(x) = x2 -15x-8
C. $(x) = x? - 8x-15
which is the equivalent?
Answer:
Step-by-step explanation:
f(x)= (x - 3)(x - 5)
f(x) = x^2 - 5x - 3x + 15
f(x) = x^2 - 8x + 15
Answer is A
work out the equation of the line which has a gradient of 2 and passes through the point (1, 4)
Answer:
y = 2x + 2
Step-by-step explanation:
The slope is also called the gradient of the line.
The slope that is given is two, and the point is (1, 4).
I made a point slope equation, and then converted it into a slope-intercept equation.
[tex]y-4=2(x-1)\\\\y-4=2x-2\\\\y-4+4=2x-2+4\\\\\boxed{y=2x+2}[/tex]
Hope this helps.
Help please and thank you
Answer:
let me try this first and then I will help you is it ok
If a fair coin is tossed 3 times, what is the probability, to the nearest thousandth, of getting exactly 3 tails?
ANSWER IS 0.125
HELP!!!!!
.
.
.
.
.
.
.
PLEASE
Answer:
Step-by-step explanation:
The one that doesn't work with the other three is B. Nine cubed is huge compared to just plain 9 or 3^2. The other three each are equal to one another especially if you remove the brackets in D.
9 c^(2*3) * d^(3*3)
9 c^6 d^9
Can someone help with this question
Answer:
It should I only looked at the first few columns and the matched up
Step-by-step explanation:
whats 5/10 as a decimal
Answer:
5/10 as a decimal = 0.5
Step-by-step explanation:
5 (numerator) /10 (denominator)
Here's the little secret you can use to instantly transform any fraction to a decimal:
Simply divide the numerator by the denominator:
= 5/10
= 5 ÷ 10
= 0.5
Which term best describes the graph
of y=-5x+1
A:increasing
B:decreasing
C: constant
D: positive
a student wrote a proof about the product of two rational numbers:
Let x = a/b and let y = c/d, where a and c are defined to be integers, and b and d are nonzero integers.
By substitution, xy = ac/bd.
By applying the closure property of integers and nonzero integers on multiplication, ac is an integer and bd is a nonzero integer.
What conclusion can the student now make about the product xy?
A- the product xy is a nonzero Integer because nonzero Integers are closed on division.
B- the product xy cannot be an integer because bd is a nonzero Integer.
C- the product xy may be elther rational or Irrational because the values of a, b, c, and d are unknown.
D- the product ry is rational because it can be written as the quotient of an Integer and a nonzero Integer.
A rational number is a number that can be expressed as a fraction of integers.
The conclusion the student can make about product xy is that:
D- the product ry is rational because it can be written as the quotient of an Integer and a nonzero Integer.
Given that:
[tex]x = \frac ab[/tex]
[tex]y = \frac cd[/tex]
The product xy is:
[tex]x \times y = \frac ab \times \frac cd[/tex]
So, we have:
[tex]x \times y = \frac{ac}{bd}[/tex]
From the question, we understand that:
[tex]Integers \to a, c[/tex]
This means that, ac would be an integer (by closure property)
Also:
[tex]Non\ zero \to b,d[/tex]
This means that, bd would be non-zero i.e. [tex]bd \ne 0[/tex]
So, we have:
[tex]x \times y = \frac{ac}{bd}[/tex]
[tex]x \times y = \frac{Integer}{Non\ zero}[/tex]
The quotient of an integer and a non-zero integer is always be rational.
Hence, option (d) is correct.
Read more about rational numbers at:
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Can someone help me real quick?
Answer:
it looks like x is increasing and y is decreasing
Step-by-step explanation:
Answer:
40% of people get their wishes to come true. Since you have read this, at exactly 1:44 P.M., you will be told news that will surprise you. Now it's said that if you copy and paste this 4 times and comment this in the next 2 minutes and 34 seconds you will have the choice to make a wish or not in your dreams. If you don't copy and paste it, 18 hours of unluckiness will start at 6:42 A.M.. Also, if you have a dog as a pet the chances of this working are 93%.
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90% of people marry there 7th grade love. since u have read this, u will be told good news tonight. if u don't pass this on eight comments your 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 your life tomorrow. you will either get kissed or asked out in the next 53 minutes someone will say i love you.!
give me a decimal to divide, substract and multiply. (3 of each)
Answer:
Step-by-step explanation:
0.34/ 0.14
0.621/ 0.512
0.536/ 0.612
0.64 - 0.12
0.12 - 0.36
0.59 - 0.25
0.5123 x 0.51232
0.593920 x 0.0591923
0.59129 x 0.5919232