Step-by-step explanation:
Hi,
Think about it this way.
20%
40%
60%
80%
100%
We had to add 20% 5 times in order to get 100%.
The same goes for the fraction.
1/5
2/5
3/5
4/5
5/5
We had to add 1/5 5 times to get it to 5/5.
So...
20% is the same thing as... 20/100 and simplified, it's the exact same thing as 1/5.
They're basically the same exact thing except they're written in different ways.
I hope this helps, I didn't really understand what you needed exactly, but if you need anything else, feel free to let me know :)
Have a wonderful day.
A rectangular prism is 5 inches long and 10 inches wide. Its volume is 500 cubic inches. What is the height of the rectangular prism?
Answer:
10
Step-by-step explanation:
5 x 10 = 50
500 divided by 50 = 10
H=10
Find the angle measures in the regular polygon.
A) 720*
B) 140*
C) 135*
D) 360*
Please help!!
the angle measures in the regular polygon is B)140
Write an expression to represent the sum of three times the square of a number and -7.
In your expression, what is the value of the constant?
OA. 3
OB. 1
OC. 2
D.-7
A local elementary school claims that 59% of its students bring their own lunch on a daily
basis. The principal surveyed 100 students and found that only 48% bring their own lunch.
What does the test statistic calculation look like in this situation for an appropriate
hypothesis test? (4 points)
Answer:
[tex]z=\frac{0.48-0.59}{\sqrt{\frac{0.59(0.41)}{100}}}[/tex]
Step-by-step explanation:
The z score in terms of the null hypothesis and surveyed statistic is in the form [tex]z=\frac{\hat{p}-p_0}{\sqrt{\frac{p_0(1-p_0)}{n}}}[/tex], (similar to [tex]z=\frac{x-\mu}{\sigma}[/tex]) where [tex]p_0[/tex] is the population parameter (in this case, 0.59) and [tex]\hat{p}[/tex] is the statistic (in this case, 0.48). Finally, [tex]n[/tex] is the sample size, 100. Substitute in your values, and you get the above answer.
The test statistic calculation look like in this situation for an appropriate hypothesis test is negative.
A local elementary school claims that 59% of its students bring their own lunch on a daily basis.
What is the z score in terms of the null hypothesis and surveyed statistic is in the form?The z score in terms of the null hypothesis and surveyed statistic is in the form,
[tex]\frac{P-P_0}{\sqrt{P_0(1-P_0)/n} }[/tex]
where [tex]p_0[/tex] is the population parameter (in this case, 0.59) and P is the statistic (in this case, 0.48)
Finally, is n the sample size, 100.
Substitute in your values, and you get the above answer,
[tex]Z=\frac{0.40-0.59}{\sqrt{\frac{0.59(0.41}{100} } }\\ \\=-3.8630[/tex]
The test statistic calculation look like in this situation for an appropriate hypothesis test is negative.
To learn more about the static calculation visit:
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Draw the image of a triangle with vertices (2, 1), (3, 3), and (5, 1). Then perform the
following transformation: a 180° clockwise rotation about the origin.
Answer:
It would be B
Step-by-step explanation:
How many sevens in
seven hundre
What specific measure of a geometric figure is shown in the image?
O A 165 degree angle
O A 15 degree angle
O a 15 mm side length
a 180 mm side length
Answer:
15
Step-by-step explanation:
F 2,826 m2
CONSTRUCTED RESPONSE
9. A wheel has a radius of 9 inches and
travels as it spins. How far does the
wheel travel in one revolution? Show your
work. Use 3.14 for n and round to the
nearest inch,
Answer:
57inches
Step-by-step explanation:
In order to determine how far the wheel travels, we will have to find the circumference of the wheel. This is expressed as;
Circumference of the wheel = 2πr
r is the radius of the wheel = 9in
Substitute
Circumference of the wheel = 2(3.14)(9)
Circumference of the wheel = 56.52inches
Hence the wheel travels 57inches to the nearest inch
A piece of lead for a mechanical pencil is 3.15 × 10–4 meter in diameter.
What is the diameter of the lead in standard notation?
A.
31,500,000 meters
B.
3,150 meters
C.
0.000315 meter
D.
0.0000315 meter
Answer:
it is he answer is 7.
Step-by-step explanation:
Find the the measure of angle 6
Answer:
∠6 = 61°
Step-by-step explanation:
In order to solve this, you need to know what "vertical angels" are. Based on the fact that the angle that is 61° and angle 6 make a pair of vertical angles, we know that both of these angles are equal to each, therefore ∠6 = 61°.
88 divided by 47.84 please help me with this pls I need the process plz
Answer:
1.8394
Step-by-step explanation:
A moving truck states that it holds 300 cubic feet of boxes. The truck is 25 feet in length and 8 feet in height. What is the width of the moving truck?
Can someone help me on this?
Answer:
<2=107
Step-by-step explanation:
Alternate interior angles are congruent they have equal measure
ude types 984 characters in 8 minutes. What is her typing rate in characters per minute?
A.
125 characters per minute
B.
120 characters per minute
C.
123 characters per minute
D.
128 characters per minute
Help fast
Write an equation of the form y = mx for the line shown below.
Answer:
y = -3x
Step-by-step explanation:
To get slope intercept, you divide both y values by both x values like this
[tex]\frac{y_2 - y_1}{x_2 - x_1}[/tex]
In this case this will be [tex]\frac{(-3 - 6)}{(1 - (-2))}[/tex]
This will become [tex]\frac{-9}{3}[/tex]
Divide those two to get -3, and now you get your slope intercept.
WILL MAKE BRAINLIEST!!
find the slope of each line
Answer:
17) [tex]- \frac{3}{2}[/tex]
18) [tex]\frac{5}{4}[/tex]
19) [tex]-\frac{1}{2}[/tex]
20) [tex]\frac{2}{5}[/tex]
Step-by-step explanation:
Slope intercept form: y = mx + b
y = (x , y)
x = (x , y)
slope = m
b = y-intercept
~
PEMDAS is the order of operations, and stands for:
Parenthesis
Exponents (& Roots)
Multiplication
Division
Addition
Subtraction
~
17) -4y + 16 = 6x
Isolate the variable, y. Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS.
First, subtract 16 from both sides of the equation:
-4y + 16 (-16) = 6x (-16)
-4y = 6x- 16
Next, divide -4 from both sides of the equation:
(-4y)/-4 = (6x - 16)/-4
y = (6x)/-4 + (-16)/-4
y = -3x/2 + 4
Slope: [tex]-\frac{3}{2}[/tex]
~
18) 0 = -12y -36 + 15x
Isolate the variable, y. Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS.
First, add 12y to both sides of the equation:
0 (+12y) = - 12y (+12y) + 15x - 36
12y = 15x - 36
Next, divide 12 from both sides of the equation to isolate the variable, y:
(12y)/12 = (15x - 36)/12
y = (5/4)x - 3
Slope: [tex]\frac{5}{4}[/tex]
~
19) 3x = -6y
Isolate the variable, y. Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS.
Divide -6 from both sides of the equation:
(3x)/-6 = (-6y)/-6
y = 3x/-6
y = -(3/6)x
Simplify. Divide common factors from both the numerator and denominator.
-(3/6)/(3/3) = - 1/2
Slope: [tex]-\frac{1}{2}[/tex]
~
20) -2x -5 = -5y
Isolate the variable, y. Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS.
Divide -5 from both sides of the equation:
(-2x - 5)/-5 = (-5y)/-5
y = (-2x - 5)/-5
y = (2/5)x + 1
Slope: [tex]\frac{2}{5}[/tex]
What is the value of (-0.6)(-2.5)?
A -3.1
В 1.5
C 1.9
Answer:
B
Step-by-step explanation:
Which two triangles are congruent? Complete the congruence statement.
Answer:
△ VUW = △ KJI
Step-by-step explanation:
In △ VUW, △ KJI,
UW = JI ( Sides are equal )
∠ VUW = ∠ KJI ( From the diagram )
∠ UWV = ∠ KIJ ( From the diagram )
By ASA rule of congruency,
△ VUW is congruent to △ KJI.
Please help I will give brainilest
please help pls pls pls
Answer:
volume= πr²h
= 3.14×3×3×12
=339.12
now we substract 1/2 from it
1/2×339.12
= 169.56cm³
The value of which of these expressions is closest to e ?
Answer: B.
Step-by-step explanation: took the quiz.
4 3/8 + 5 1/8 = (make sure you simplify the fraction)
Answer:
9 and 1/2
Step-by-step explanation:
4+5=9
3/8+1/8=4/8
4/8=1/2
1/2+9=9 1/2
Answer:
the answer would be 9 1/2
Which three test points could be used to draw the graph of the solutions to
X^2+2x-1=0?
Answer: x=-1+2
Step-by-step explanation:
Answer:
Step-by-step explanation:
Subtract 2x from both sides of the equation.
X2-1=−2x
Add 1 to both sides of the equation.
X2=−2x+1
Take the square root of both sides of the equation to eliminate the exponent on the left side.
X=±√−2x-1
The complete solution is the result of both the positive and negative portions of the solution.
First, use the positive value of the ± to find the first solution.
X=√−2x+1
Next, use the negative value of the ± to find the second solution.
X=−√−2x+1
The complete solution is the result of both the positive and negative portions of the solution.
X=√−2x+1
X=−√−2x+1
A school bought 5 copies of a textbook this week. The
school spent a total of $185 for the 5 copies. How much
did each copy of the textbook cost?
$37
B
$32
с
$306
D
$307
Answer:
A:37
Step-by-step explanation:
A school got 5 copies, and the total for ALL the copies is $185. So you need to take 185 and divide it by 5 because we need to find out how much each of the copies costs. If you do that then you will get the answer of $37 per copy
The price for each copy is $37 if the school bought 5 copies of a textbook this week the school spent a total of $185 on the 5 copies option (A) is correct.
What is a fraction?Fraction number consists of two parts one is the top of the fraction number which is called the numerator and the second is the bottom of the fraction number which is called the denominator.
We have:
Number of copies school bought = 5
Price for 5 copies = $185
Let's assume the price for each copy = $x
So the value of x can be evaluated:
[tex]\rm x = \frac{185\times1}{5}[/tex]
x = $37
Thus, the price for each copy is $37 if the school bought 5 copies of a textbook this week the school spent a total of $185 on the 5 copies option (A) is correct.
Learn more about the fraction here:
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What is the value of w in the equation w + 95 = 116
Step-by-step explanation:
w+95=116w=116-95w=21hope it helps.
stay safe healthy and happy.Answer:
w=21
Step-by-step explanation:
Check the image for the steps.
Bryan and Kevin were training for a big
race. They trained a week before the race by
racing one another. How many different ways
could the 2 friends place when racing each
other?
What combination of transformations is shown below?
Answer:
B. or the second one
Step-by-step explanation:
URGENT!!! PLEASE HELP
Answer: System 1 has an infinite number of solutions and System II has no solutions.
Step-by-step explanation:
If we look at system 1, we see that if we multiply the first equation by 2 and subtract the y value so that its on the same side as x, the equations are the same. That means that no matter the x or y value, it will be a solution.
If we look at system 2, however, we see that if we multiply the top equation by 3, the equations are the exact same except for the fact that the top equation has a -21. This means that no matter the x or y, there will never be a solution.
4.2+7/20=420/100+BLANK/100
Answer:
4.2=420/100
4.2-4.2=0
7/20=x/100
x=5×7=35
Often sales of a new product grow rapidly at first and then level off with time. This is the case with the sales represented by the function S(t)=500−400t−1, where t represents time in years. Find the rate of change of sales for the following number of years.
a.1
b.10
Answer:
Here we have the function:
S(t) = 500 - 400*t^(-1)
Then the rate of change at the value t, will be:
S'(t) = dS(t)/dt
This differentiation will be:
S'(t) = -400/t^2
Then:
a) the rate of change at t = 1 is:
S'(1) = -400/1^2 = -400
The rate of change after one year is -400
b) t = 10
S'(10) = -400/10^2 = -400/100 = -4
The rate of change after 10 years is -4, it reduced as the years passed, as expected.