Answer:
0.85
Step-by-step explanation:
The Z-score for Tiffany's exam grade will be 0.85. The value of Z score for the different distribution is different.
What is the z score?The z-score is a numerical assessment of a value's connection to the mean of a set of values, expressed in terms of standards from the mean, that is used in statistics.
The Z score is found as;
[tex]\rm Z= \frac{x-\mu}{\sigma} \\\\ Z=\frac{80-77}{3.5} \\\\ Z=0.85[/tex]
Hence,the Z-score for Tiffany's exam grade will be 0.85.
To learn more about the Z score refer to;
https://brainly.com/question/15016913
#SPJ2
Help me! True or false????
Answer:
true
Step-by-step explanation:
Find the number that is exactly half way between -4 and 10
Answer:
7 as a halfway of a line
3 if you were using points on a graph
Step-by-step explanation:
10--4/2=7
use midpoint formula for 3
The number that is exactly halfway between -4 and 10 is 3
The distance between two point is the amount of length between the two points.
Midpoint of -4 and 10 is 10 - (-4) gives 10 + 4
The distance between -4 and 10 is 14 units
Halfway of the length between -4 and 10 is 14 /2 (7)
The number that is exactly halfway between -4 and 10 = -4 + 7 or 10 - 7 = 3
The number that is exactly halfway between -4 and 10 is 3
Find out more at: https://brainly.com/question/22059747
help me someone smart
Answer:
18: b. y= -x+6
19: c. y-3=2(x-3)
Step-by-step explanation:
i hope this helps :)
what is 2x + 20 + 2x = 60
Answer:
= 1 0
Step-by-step explanation:
Solve
1. Combine like terms
2 + 2 0 + 2 = 6 0
4 + 2 0 = 6 0
2. Subtract 20 from both sides of the equation
4 + 2 0 = 6 0
4 + 2 0 − 2 0 = 6 0 − 2 0
3. Simplify
Subtract the numbers4 + 2 0 − 2 0 = 6 0 − 2 0
4 = 6 0 − 2 0
Subtract the numbers4 = 6 0 − 2 0
4 = 4 0
4. Divide both sides of the equation by the same term
4x = 40
4x/4 = 40/4
5. Simplify
Cancel terms that are in both the numerator and denominator4x/4 = 40/4
x = 40/4
Divide the numbersx = 40/4
x = 10
What value of x makes the equation true?
Answer:
B.2.5
Step-by-step explanation:
The equation would be
[tex]-4x +8 = 2x -7[/tex]
I believe that you would know how to solve this.
You could also sub in 2.5 for the x to check.
Good Luck!!!!!
PLEASE HELP!! GIVING 20 PTS!!
Answer:
1. a translation of (-1,3)
2. a reflection across a line through points (0,4) and (3,4)
PLEASE HELPPPPPP me NOW IF U KNOW THE RIGHT ANSWER OMGGG
9514 1404 393
Answer:
68°
Step-by-step explanation:
Chords of the same length subtend arcs of the same measure.
Chord EF = Chord FG . . . . given
Arc EF = Arc FG = 68°
Solve for x.
Please help me.
Find the value of angle A and angle B
hello
so these angles you can apply the "vertically opposite angles are equal" rule
angle "A" is vertically opposite to 138º so therefore angle "A" is 138º
angle "B" is verticall opposite to 42º so therefore angle "B" is 42º
hope this helped and have good day :)
Sarah earns $400 per week and spends 15% of her earnings on transportation. How much does Sarah spend on transportation every week? *
Answer:
60 dollars a week.
Step-by-step explanation:
Just take 15 percent of 400, then you get your answer
Which image below is an acute triangle?
IM GIVING BRAINLIEST!!!PLEASE HELP!!!
The answer is C aka answer 3
3. Julissa's rose garden is in the shape of a trapezoid with a height of 35 feet. The bases of
the garden measure 50 feet and 32 feet. What is the area of Julissa's rose garden? *
C. 1,435 square feet
A. 58.5 square feet
B: 1,360 square feet
D. 2,870 square feet
Answer:
Step-by-step explanation:
i dont nkoe
WORTH 40 POINTS
write an equation given the following transformations
a hyperbola that is moved left 2 and up 5
all the info i have. steps would be appreciated
Answer:
Step-by-step explanation:
In this section, we will focus on graphing hyperbolas that open left and right or ... To easily sketch the asymptotes we make use of two special line segments ... From the center (5,4), mark points 3 units left and right as well as 2 units up and down. ... standard form for the equation of a hyperbola given the following information.
So there's arithmetic sequence a9 is 2 and s11 is 15.4,
Find a3
Answer:
a9=2
a11=15.4
a3=?
________
a3 = −38.2
Step-by-step explanation:
Hope this helps u . ♡
I really suck at math. Can anyone give me good tips to remembering math (algebra and geometry especially) or give me good websites to look into?
PLEASE HELP!!!
Answer:
https://www.mathpapa.com/algebra-calculator.html
Step-by-step explanation:
Mathpapa is a pretty good and reliable algebra calculator would say to use it. It also has Inequalitys and system of equations calculators.
Answer: Symbolab, and this site are going to carry you through algebra.
Can someone please help me with math.
Answer:
21.c
22.b
23.c
Step-by-step explanation:
The Martinez family picked 3-4 lb of apples. Ana picked 1 of those apples.
How many pounds of apples did Ana pick
help i’m literally taking the test rn on here looking for the answer
find the domain and the range
Answer:
D: all real numbers, R: y ≤ -4
Step-by-step explanation:
R: y ≤ -4
Because the line doesn't go beyond -4.
Evaluate 3x^2, when x is 5
Help meee
Answer:
75
Step-by-step explanation:
Answer:
75
Step-by-step explanation:
3(5^2) = 3(25) = 75
I WILL MARK BRAINLST
Answer:
neither a function or a relation
Step-by-step explanation:
The graph does not pass the vertical line test, thus not a function.
In the graph, x-coordinates are not related to y-coordinates through a relation, thus not a relation.
Someone help please thanks.
Answer:
t=x+44
Step-by-step explanation:
the x ounces are being added to the vase's pre-existing 44 ounces so therefore the equation is t=x+44
Can anybody help me? No links please lol
Answer:
60% OF 6 = 3.6
↓
OF means multiplicatin
60% will turn into a decimal which is
↓
0.6 x 6 = 3.6 :)
Hope this helped!
-Maddison <3
Step-by-step explanation:
Answer:111/60=1.85
Step-by-step explanation: 185is answer
YOUR WELCOME (:
\
The above diagram shows 4 island countries in the Marina Ocean. Each inch on the map represents a distance of 750 miles. The capital of each island country is marked with a star.
If a pilot takes off from the capital of Orange Island and flies to the capital of Red Island, how far has he flown?
A.
5,500 miles
B.
1,500 miles
C.
3,000 miles
D.
4,500 miles
Answer:
c because each island is 750 and if you x's 4 x750 it gives you 3,000 which is c
Answer:
C.
3,000 miles
Step-by-step explanation:
pls, tell me if wrong have a good night/day <3
What is the POINT in this equation y+5= 9/4 (x+25) *
Answer:
The vertex (your "point") is (-25, -5).
Step-by-step explanation:
Compare the given equation to
y - k = m(x - h). We see that the slope, m, is 9/4; the x-coordinate of the vertex is h = -25, and the y-coordinate of the vertex is k = -5.
The vertex (your "point") is (-25, -5).
The question is right there please read and help I’ll give u Branliest plz
Can someone help me please?
Mike and Julie receive $20,000 in gifts from friends and relatives for their wedding. They deposit the money into an account that pays 2.75% interest, compounded daily.
Will their money double within 10 years?
Will their money double within 15 years?
Answer:
A= P(1+r/n)^nt
P=20,000
r=2.75%/100=0.0275
n=365
t= 10 and 15
Will their money double within 10 years?
A=20,000(1+0.0275/365)^365t
=20,000(1.00007534)^365(10)
=26,330.340 --> $26,330.34
No
Will their money double within 15 years?
A=20,000(1+0.0275/365)^365t
=20,000(1.00007534)^365(15)
=30,211.321 --> $30,211.32
No
Step-by-step explanation:
The conditional relative frequency table below was generated by column using frequency table data comparing the number of calories in a meal to whether the meal was prepared at home or at a restaurant.
A 4-column table with 3 rows titled number of calories and location of meal preparation. The first column has no label with entries greater than or equal to 500 calories, less than 500 calories, total. The second column is labeled home with entries 0.15, 0.85,1.0. The third column is labeled restaurant with entries 0.55, 0.45, 1.0. The fourth column is labeled total with entries 0.28, 0.72, 1.0.
A nutritionist attempts to determine an association between where food is prepared and the number of calories the food contains. Which is most likely true?
An association cannot be determined because the value 0.55 is similar to the value 0.45.
There is an association because the value 0.15 is not similar to the value 0.55.
There is an association because the sum of each column is 1.0.
An association cannot be determined because the sum of the rows going across is not 1.0.
There is an association because the value 0.15 is not similar to the value 0.55
For the nutritionist to determine whether there is an association between where food is prepared and the number of calories the food contains, there must be an association between two categorical variables.
The conditions that satisfy whether there exists an association between conditional relative frequencies are:
1. When there is a bigger difference in the conditional relative frequencies, the stronger the association between the variables.
2. When the conditional relative frequencies are nearly equal for all categories, there may be no association between the variables.
For the given conditional relative frequency, we can see that there exists a significant difference between the columns of the table in the picture because 0.15 is significantly different from 0.55 and 0.85 is significantly different from 0.45
We can conclude that there is an association because the value 0.15 is not similar to the value 0.55
Answer:
B
Step-by-step explanation:
A new club of 20 members will elect a
president and a vice president to attend the
pep rally. How many combinations of
president and vice president are possible?
Answer:
Step-by-step explanation: