Can somebody plz answer this math problem correctly thanks!
WILL MARK BRAINLIEST :D
Answers
Answer:
Ellen and Blake answered 20 questions correctly since Ellen had 0.8 correct and that is 80% same with Blake
Stephen scored a .84 or an 84%
I hope this helps :)
Step-by-step explanation:
plz mark B R A I N L I E S T
Answer:
Stephen: 21
Ellen: 20
Blake: 20
Step-by-step explanation:
If youre looking for more in depth answers:
Stephen received a 21 / 25 (84%)
Ellen received a 20 / 25 (80%)
Black received a 20 / 25 (80%)
Related Questions
A school conducts 27 tests in 36 weeks. Assume the school conducts tests at a constant rate. What is the slope of the line that represents the number of tests on the y-axis and the time in weeks on the x-axis?
Answers
Answer:
The slope is equal to [tex]\frac{3}{4}[/tex].
Step-by-step explanation:
In order to solve this question we need to know that.......
[tex]m = \frac{y_{2}-y_{1} }{x_{2} - x_{1} }[/tex]
Where "m" = slope," [tex]y_{2}-y_{1}[/tex]" = first difference, and [tex]x_{2} - x_{1}[/tex] is the difference of the x values of the two points that we chose to fid the slope.
(If you don't understand something I would recommend to read about first differences and how we can use the first differences to find the slope).
Now we need to find two points on the line. One of them is already given to us and it is (36,27). In order to find the second one we will have to find a point with "x" and "y" values that have the same relation ship to each other as the point (36,27). We can do that by doing the following
[tex]\frac{x/a}{y/a} =\frac{x_{1} }{y_{1} }[/tex]
In this case a any common factor of "x" and "y" except 1. So now we can do the following...
[tex]\frac{36}{27} = \frac{36/9}{27/9} = \frac{4}{3}[/tex]
Now we know that another point on this line is (4,3).
Now all we have to imagine (36,27) as ([tex]x_{2} ,y_{2}[/tex]), and imagine (4,3) as [tex](x_{1} , y_{1})[/tex]. so now......
[tex]m = \frac{y_{2}-y_{1} }{x_{2} - x_{1} } = \frac{27 - 3}{36-4} = \frac{24}{32} = \frac{3}{4}[/tex]
Sam read 30 of the assigned book already and reads 34 pages per night. Charlie read 100 already and reads 20 pages per night. How many nights will it take for Sam to be ahead of Charlie in the book?
Answers
Charlie: y = 100 + 20x
30 + 34x = 100 + 20x
14x = 70, x = 5(equal)
It will take 6 nights for him
What is the slope of the line whose equation is: y = 2/5x - 5?
Answers
a linear function forms a line. true or false
Answers
Mr. Kelly has 50 coins, all of which are either nickels or dimes. They have a
value of $3.85. Set up a system of equations to find out how many of each coin
Mr. Kelly has.
Answers
So i think its $4.35.
Step-by-step explanation:
I did addition to find out this answer my calculations seem to be correct.
$3.85 + 50 cents = 4 dollars and 35 cents
Find the slope of a line perpendicular to each given line.
Answers
Answer:
D) 2
Step-by-step explanation:
Reciprical of slope
-1/2
reciprical is
+2/1
2
PLEASE ANSWER QUICKLY
Gavin deposited $200 into his savings account that is compounded semi-annually at an interest rate of 9%. Gavin hoped he would have enough money in 8 years to buy a $400 gaming console for college. Is Gavin correct? Write and solve an equation, showing your work to justify your answer.
Answer:
Answers
ANSWERS AND STEPS???
Which of following is the graph of y -(X+ 1)-37
Answers
Answer:
The third graph(left to right)
Step-by-step explanation:
the vertex would be (-1,-3) from the formula.
Write the equation of a line parallel to y=2x+2 that passes through the point (-1, -7)
Answers
Answer: y=2x-5
Step-by-step explanation:
To find the line that is parallel to y=2x+2, we know the slope must be 2. Parallel lines NEVER touch. That tells us that the slope must be 2. Now, all we have to do is to plug in the point to find the y-intercept.
-7=2(-1)+b [multiply]
-7=-2+b [add both sides by 2]
b=-5
With the y-intercept, we can find the parallel line.
y=2x-5
In the picture, quadrilateral A'B'C"D' is an image of quadrilateral ABCD after a rotation. The center of rotation is E. Label the missing side and angle measurements
Answers
Answer:
Angle D is 45 degrees. The side length is 9 in.
Step-by-step explanation:
In a rotation, side lengths and angles do not change.
Alessandro and Francesca raced each other home from school. It took Francesca 13/15 as long as Alessandro to run home. Who got home first?
Answers
Answer:
Francesca got home first.
Step-by-step explanation:
Answer:
Francesca
Step-by-step explanation:
what fraction is equivalent to -3/7
A. 3/-7
B.-3/-7
C.-7/3
D.7/3
ALSO PLEASE SAY HOW I NEED TO EXPLAIN HOW ITS EQUIVALENT
Answers
Answer:
A
Step-by-step explanation:
It is equivalent because as along as only one has the negative sign, then it will still be negative. Both being negative makes it positive and flipping the fraction changes the value.
Answer:
A
Step-by-step explanation:
the negative sign is exchangeable between the denominator and numerator because positive multiplied or divided by a negative will aways be a negative
A pitcher holds 3 liters of lemonade. If the contents of the pitcher are equally divided among 8 people, how much lemonade will each person receive?
Answers
Answer:
0.375 litres
Step-by-step explanation:
Given that:
Total amount of lemonade held by pitcher = 3 litres
Number of people in which lemonade is to be given equally = 8
Amount of Lemonade received by each person will be:
Total amount of lemonade / number of persons
3 litres / 8
= 0.375 litres
Each person receives 0.375 litres of lemonade
An ornithologist wants to look at the relationship between the breadth of peregrine falcon eggs and the mass of
the falcon chicks that hatch from them. The data show a linear pattern with the summary statistics shown
below:
Answers
Answer:
-44.3+1.9x
Step-by-step explanation:
12 is 20% of what number?
Answers
Answer:
60
Step-by-step explanation:
HELP PLEASE!!!!!!!!!!!!
Answers
Answer:
y = 3x-5
Step-by-step explanation:
The difference between each y for each change of 1 in x is 3, so it's y-intercept is -5, and its slope is 3.
Solve for r
96=84-12r
Answers
Answer:
-1
Step-by-step explanation:
96=84-12r
96-84=-12r
12=-12r
-1=x
x=-1
Step by step explanation:
Analyze the weather map in 2 to 3 complete sentences. Describe what the weather will be in Olympia, Washington, where a black arrow is pointing.
Please use these Key terms to explain why: weather front and pressure system.
Answers
Answer:
rainy
Step-by-step explanation:
because of the rain cloud is problye going to rain.
Which of the following statements uses the multiplicative identity?
(-8)(1) = -8
-8 + 0 = -8
(-8)(-1) = (-1)(-8)
-8 + 1 = 1 + (-8)
answer quick plz plz plz
Answers
9514 1404 393
Answer:
(-8)(1) = -8
Step-by-step explanation:
The multiplicative identity element is 1. Multiplying by 1 does not change the value. This is illustrated by ...
(-8)(1) = -8
In ΔHIJ, i = 550 inches, j = 150 inches and ∠H=92°. Find the length of h, to the nearest inch.
Answers
Answer:575
Step-by-step explanation: deltamath
shoutout to lester bc i know he's gonna answer this ;) !
Answers
Answer:
A (-3,9)
Step-by-step explanation:
ok easy they they us
R(2,1) and R'(-4,8)
subtract 6 from y and add 7 to y
ok lets solve for S'
S(3,2) now subtract 6 and add 7
(3,2)+(-6,7)
(-3,9)
Doug is analyzing the daily profits from the past month for three of his restaurant franchises. He has calculated the mean and standard deviation of the data, in dollars, as shown below.
Location A Location B Location C
Mean = 6,127.85
SD = 413.51 Mean = 6,296.07
SD = 440.67 Mean = 6,191.28
SD = 330.83
For which store does 68% of the data lie between $5,714.34 and $6,541.36 (1 SD from the mean)?
2.
For which location does 95% of the data lie between $5,529.62 and $6,852.94 (2 SD from the mean)?
3.
Which location had the highest average daily profit during the past month?
Answers
Answer:
it is b a c on plato
Step-by-step explanation:
rotate the triangle 90 degrees anticlockwise about the clock
Answers
Answer:
see pdf
Step-by-step explanation:
9515 1404 393
Answer:
see attached
Step-by-step explanation:
The figure turns 1/4 turn to the left, with the point at the cross remaining stationary.
(x + y)3 - (x - y)3 when x = 2 and y=-1
Answers
Step-by-step explanation:
When x = 2 and y = -1,
(x + y)³ - (x - y)³
= (2 - 1)³ - [2 - (-1)]³
= (1)³ - (3)³
= 1 - 27
= -26.
Giving brainless! Don’t answer if you don’t know I’ll flag you.
Answers
Answer:
The sales tax is $0.40
Step-by-step explanation:
10 x 0.04 = 0.4
0.04 is 40% when multiplying
Write the following in standard form:
2x*3x^2
Answers
Answer
1296
Step-by-step explanation:
The explanation is 2x is written as 2*2 = 4
then 3x is written as 3*3 = 9 so
so you do 4*9 = 36 * 2 = 1296
Answer:
The answer to your problem is: 6x³
I NEED THIS PLEASE EXPERS.
Answers
Answer: The answer is 24 :)
Give brainlest if I’m right
Answer:
The answer I think it will be 24 but not sure.
Step-by-step explanation:
pls help will give brainless to the person help picture is the question
Answers
Answer:
Part 1) Geometric sequence
Part 2) 64 minutes or one hour and four minutes to complete station 5.
Part 3) 512 minutes or 8 hours and 53 minutes to complete station 8.
Step-by-step explanation:
Trust me. I used my calculator.
What is the perimeter of this triangle HELP!!
A-4
B-20
C-40
D-60
Answers
Answer:
60 and
x=4
Step-by-step explanation:
please help for gods sake,,,
Answers
Answer:
Step-by-step explanation:
for the table you just add 45 to all the numbers, so it will be 135, and 270
you will just have to graph that.
Answer:
$90 to rent and 15$ per guest. equation is y=15x+90. initial value is 90, rate of change is 15.
Step-by-step explanation: