Answer:
r = 0.84
Step-by-step explanation:
The mean reading time obtained with the stopwatch measurements was 4.34 ± 0.57 seconds (196.21 ± 21.79 wpm), versus 4.44 ± 0.59 seconds (192.24 ± 22.20 wpm) by computer measurement (r = 0.84).
What is the sum of the values of LuAnn's three cards?
Erin needs 1/4 pound of peat moss for
each juniper she plants. How many pounds
of peat moss are required for 10 junipers?
Answer:
do 1/4 x 10=2 1/2
Step-by-step explanation:
Camille had 30 dollars to spend on 3 gifts. She spent 10 – dollars on gift A and 6 dollars on
gift B. How much money did she have left for gift C? )
Answer:
$14
Step-by-step explanation:
30 - 10 - 6 = 14
Hope this helps
If a right triangle has one side measuring 8 and a hypotenuse measuring 16, what is the length of the missing
side?
Answer:
Step-by-step explanation:
Determine the y-intercept of the following equation.
(-x+4) (x+2)=y
Answer: (0,8)
Answer:
Step-by-step explanation:
At y-intercept, the value of x = 0
Plug in x = 0 in the equation
(0 +4)( 0+2) = y
y = 4*2
y = 8
Y-intercept (0,8)
What is 480% as a fraction in simplest form?
1. 48/100
12/25
4 4/5
4 80/100
Answer:
48/10
Step-by-step explanation:
The answer is answering "What is 480% as a fraction in simplest form?"
Carl’s dog, Alice, has a pet ramp she uses to go up the bed. A picture of Alice on her pet ramp is shown above. Enter the length of the ramp in feet. Round your answer to the nearest hundredth. *
Answer:
6.18 ft
Step-by-step explanation:
The ramp forms a right triangle.
We know two of the lengths of the right triangle, therefore, we would apply pythagorean theorem to find the longest length of the triangle, which is the length of the ramp.
The given lengths are 1.5 ft and 6 ft. The length of the ramp is the length of the longest side (hypotenuse length).
Thus, applying pythagorean theorem:
[tex] c^2 = a^2 + b^2 [/tex], where,
a = 1.5 ft
b = 6 ft
c = length of ramp
Substituting the values:
[tex] c^2 = 1.5^2 + 6^2 [/tex]
[tex] c^2 = 2.25 + 36 [/tex]
[tex] c^2 = 38.25 [/tex]
[tex] \sqrt{c^2} = \sqrt{38.25} [/tex]
[tex] c = \sqrt{38.25} [/tex]
[tex] c = 6.18 [/tex] (nearest hundredth)
length of the ramp = 6.18 ft
12. At the movie theater, they give out a free drink to every 75th customer and a free bag of popcorn to every 30th customer. Who is the first customer that is going to win both free items? * 1 point 16th customer 300th customer 150th customer 180th customer
Answer:
150th customer
Step-by-step explanation:
To find this we would need the lcm lowest common factor of 30 and 75
LCM 30 = 2,5,3,1
LCM 75 = 3,5,5
H.C.F = 2,3,5,5
= 150
the 150th custome would be getting both gift.
During the summer, Alex earns some money mowing his neighbors' lawns. He is being paid $6.00 per hour. In June, he worked 11 hours. In July, he worked 19 hours. How much money did he earn in June and July altogether?
Answer:
$180
Step-by-step explanation:
Alex gets paid for $6.00 PER hour
In June:
Alex worked for 11 hours.
In July:
19 hours.
You can do 19*6.00 (Lets just do 19*6 for now to make it easier)
19*6=114
Change it to $144.00
In June:
You can do 11*$6.00. '(Lets just do 11*6 for now to make it easier)
11*6=66.
Change it to $66.00
Add the money Alex earned.
June + July= $66+144=$180
Daniel is currently 26 years older than his son. In six years he will be three times older
than his son. How old are both of them now?
Answer: sorr i onlyknow ti ar
Step-by-step:
Daniel is...remember "is" in a word problem means "equal"
So Daniel=x+26. x representing Daniel's son's age which we do not know.
In six years he will be three times his son's age, "times" meaning multiplication.
Daniel+6=3x, so just equate the two equations. So you must solve;
x+26=3x-6. From there I think you could handle things.
(CO 3) On the production line the company finds that 85.6% of products are made correctly. You are responsible for quality control and take batches of 30 products from the line and test them. What number of the 30 being incorrectly made would cause you to shut down production?
Answer and explanation:
There should be 85.6% correctly made products
If there is less than 85.6% correctly made products then production would be shut down
therefore 100-85.6= 14.4% of products can be incorrectly made and not more than that
In 30 batches 14.4% =0.144*30=4.32 products
Therefore there must not be more than 4.32 products incorrectly made in a batch of 30 else production is shut down
M.2 Triangles and bisectors
What is VY?
Answer:
86 degrees because it is even with the 86 on the other side and all of the other angles match up.
Now It's Time to Practice on Your Own
The coordinates of the endpoints of PQ are P(-2, 2) and Q (-2, 7)
PQ is dilated by a scale factor of 3 to produce the image P'Q'.
Drag and drop the length of P'Q into the box.
Answer:
15
Step-by-step explanation:
took the k-12 test
Mike is working on solving the exponential equation 37x = 12; however, he is not quite sure where to start. Using complete sentences, describe to Mike how to solve this equation.
An equation is marked out by the presence of the equality sign. From the calculation, the solution to the equation is x = 12/37.
What is equation?The term equations refers to any mathematical statement that involves the equality sign.
Here we have the equation; 37x = 12, the first step is to divide both sides by 37 as shown;
37x/37 = 12/37
This leaves us with the result x = 12/37 which is the solution to the equation.
Learn more about equation;https://brainly.com/question/2263981
Find the circumference of the circle. Use 3.14 for it. Round to the nearest hundredth, if necessary.
225 in.
The circumference of the circle is about
inches.
Answer:
The circumference would be about 141.3 inches
Step-by-step explanation:
Place your radius into the formula for circumference (C=2πr)
C = 2 × 3.14 × 22.5
C = 141.3
I GIVE 20 POINTS!
given parallelogram PQRS below, RT=88. If TP= x+6, solve for x
Answer:
The answer is x = 82, gimme brainliest answer
Write the linear equation in slope-intercept form passing through the point with the given slope. (0, 3); slope = -2
The required equation of the line in slope intercept form is given as 2x + y = 3
Given that,
To determine the linear equation in slope-intercept form passing through the point with the given slope. (0, 3); slope = -2.
The slope of the line is a tangent angle made by line with horizontal. i.e. m =tanx where x in degrees.
Equation of the line is given as,
y - y₁ = m (x - x₁)
Substitute the value in the equation,
y - 3 = -2 (x - 0)
y = -2x + 3
2x + y = 3
Thus, the required equation of the line in slope intercept form is given as 2x + y = 3
Learn more about slopes here:
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Someone please help fast!!!
What part of the quadratic formula below is the part we call the discriminant?
Given the arithmetic series: 2 + 4 + 6 +. Find the sum of T41 to T47
The series: 2 + 4 + 6 +.... is an arithmetic series
The sum of T41 to T47 is 616
How to determine the sum of the seriesThe series is given as:
2 + 4 + 6 +....
The above series is an arithmetic series with the following parameters:
Initial value, a = 2
Common difference, d = 2
Start by calculating S40 using the sum of n terms formula
[tex]S_n = \frac n2 * [2a + (n - 1)d][/tex]
So, we have:
[tex]S_{40} = \frac {40}2 * [2*2 + (40 - 1)*2][/tex]
[tex]S_{40} = 1640[/tex]
Calculate S47 using the same formula
[tex]S_{47} = \frac {47}2 * [2*2 + (47 - 1)*2][/tex]
[tex]S_{47} = 2256[/tex]
Subtract S40 from S47
[tex]S_{47} - S_{40} = 2256 - 1640[/tex]
[tex]S_{47} - S_{40} = 616[/tex]
Hence, the sum of T41 to T47 is 616
Read more about arithmetic series at:
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A machine only accepts 25₵ coins.
A family has $3.75 to change into 25₵ coins.
How many coins can they get?
Answer:
15.
Step-by-step explanation:
3.75 / 25 = 15.
Can someone help me with this if you can? please and thanks :)))))
Answer:
Rounded: 7.580
Not rounded: 7.5795
Step-by-step explanation:
We fist need to turn the percent into a decimal then we can multiply it :)
8.15 x 0.93
7.580
Have an amazing day!!
Please rate and amrk brainliest!!
BEST ANSWER GETS BRAINLIEST AND A LOT OF POINTS
There is no actual way for us to help you since its a graph
Write the equation in point-slope form of the line that passes through the points (4, 7) and (5, 1). Use the first point to write the equation.
Answer:
Step-by-step explanation:
Answer:
[tex]y-7=-6(x-1)[/tex]
Step-by-step explanation:
So first you need to find the slope of the line. You do this by doing [tex]m=\frac{y^{2}-y^{1}}{x^{1}-x^{2}}[/tex]. You would plug the points from the line into the equation to get [tex]m=\frac{1-7}{5-4}[/tex], and when you simplify you would get [tex]m=\frac{-6}{1}[/tex] or [tex]m=-6[/tex]. This means your slope is -6.
Now, point slope form is written as [tex]y-y^{1} = m(x-x^{1} )[/tex] so to write the equation you would plug in the slope and the first point to get [tex]y-7=-6(x-1)[/tex]
Sue and Jesse go to a restaurant for lunch. A 8% sales tax is applied to their $24.60 bill. If sue and Jesse add a 16% percent tip after the tax applied,what is the total cost including tip?
Answer:
19.01
Step-by-step explanation:
24.60 - 8% = 22.632
Your going to round and its gonna be 22.63
Now your gonna subtract 16% from 22.63 = 19.0092
If you round your total will be 19.01
I hope this helps!
( Can you mark me brainliest )
Step 1: C = 2r Step 2: 6 = 2r Step 3: r = 6/2 Step 4: r = 3 Step 5: A = 360°/x° × × r^2 Step 6: A = 360°/72° × × (3)^2 Step 7: A = 5 × × (3)^2 Step 8: A = 45
Identify the step where Gwen first made an error
A. Step 5
B. Step 6
C. Step 3
D. Step 7
Answer: A
Step-by-step explanation:
She found the ratio of the circumference to the sector. not the ratio of the sector to the circumference.
i will make you Brainliest if you know what fraction is equal to 1.5
Answer:
3/2
Step-by-step explanation:
There are a lot of fractions that equal 1.5, but if you're asking for the most simplified fraction, 3/2 is the answer.
Select the correct answer.
What is the first step when solving the equation below for x?
A) Add 1.9 to both sides of the equation.
B) Divide each side of the equation by 4.
C) Add 0.2 to both sides of the equation.
D) Subtract 0.2 from both sides of the equation.
For school project to a student Shona and Miguel well record the number of text message each of them sent each day for a 60 day period . The box plot summarize the record data?
The median of Shona data is 35, while the median for Miguel is 40. The range of Shona and Miguel are 35 and 30 respectively
What is a box plot?A box plot provides the summary of a data using the five number summary that is minimum, lower quartile, median, upper quartile and maximum.
The median of Shona data is 35, while for Miguel is 40.
The range of Shona = 60 - 25 = 35
The range of Miguel = 55 - 25 = 30
The median of Shona data is 35, while the median for Miguel is 40. The range of Shona and Miguel are 35 and 30 respectively
Find out more on box plot at: https://brainly.com/question/14277132
Iris Setosa is a beautiful wildflower that is found in such diverse places as Alaska, the Gulf of St.
Lawrence, much of North America, and even English meadows and parks. The data in the table were
collected by Dr. Anderson and were published by his friend and colleague R. A. Fisher in a paper entitled
"The Use of Multiple Measurements in Taxonomic Problems" (Annals of Eugenics, part II, pp. 179-188,
1936)
The probability that the average petal length will be between 1.3 and 1.6cm will be 0.5328.
How to calculate probability?From the complete question, x has an approximately normal distribution with a mean of 1.5cm and standard deviation of 0.2cm.
The associated probability for z values will be found in the normal distribution table and the probability will be subtracted. This will be:
= 0.6915 - 0.1587
= 0.5328
In conclusion, the probability that the average petal length will be between 1.3 and 1.6cm is 0.5328.
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Find the value of A that makes the following equation true for all values of x. 2^x=A^(x/12)
Step-by-step explanation:
[tex]2 {}^{x} = a {}^{ \frac{x}{12} } [/tex]
[tex]2 {}^{x} = a {}^{ \frac{1}{12} \times x} [/tex]
[tex]2 = a {}^{ \frac{1}{12} } [/tex]
[tex] ln(2) = \frac{1}{12} \times ln(a) [/tex]
[tex]12 ln(2) = ln(a) [/tex]
[tex]e {}^{12 ln(2) } = e {}^{ ln(a) } [/tex]
[tex]2 {}^{12} = a[/tex]
Answer:
D) 2^12
Step-by-step explanation:
It’s correct on Khan academy