Answer:
4
Step-by-step explanation:
so you start with the number -2 and than you add 6 because your multiplying the 2 subtraction symbols to get a positive so your answer would be 4
Candice is preparing for her final exam in Statistics. She knows she needs an 62 out of 100 to earn an A overall in the course. Her instructor provided the following information to the students. On the final, 200 students have taken it with a mean score of 54 and a standard deviation of 6. Assume the distribution of scores is bell-shaped. Calculate to see if a score of 62 is within one standard deviation of the mean.
Answer:
A score of 62 is not within one standard deviation of the mean.
Step-by-step explanation:
When the distribution is normal, we use the z-score formula.
In a set with mean [tex]\mu[/tex] and standard deviation [tex]\sigma[/tex], the zscore of a measure X is given by:
[tex]Z = \frac{X - \mu}{\sigma}[/tex]
The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.
Mean score of 54 and a standard deviation of 6.
This means that [tex]\mu = 54, \sigma = 6[/tex]
Calculate to see if a score of 62 is within one standard deviation of the mean.
Is Z between -1 and 1 when X = 62?
[tex]Z = \frac{X - \mu}{\sigma}[/tex]
[tex]Z = \frac{62 - 54}{6}[/tex]
[tex]Z = 1.33[/tex]
So a score of 62 is not within one standard deviation of the mean.
Tulsi and Gary are competing in a basketball free throw competition. Tulsi’s ratio of free throws made to free throws missed is 3 to 5. Gary’s ratio of free throws made to free throws missed is 10 to 15. Who has the better ratio for making free throws?
pls help
Answer:
Gary
I have no idea how to explain this but I do know for a fact that the answer is Gary.
How do you find the area of a rectangle with a base of 10 and a height of 2 1/2?
Answer:
The area would be 25.
Step-by-step explanation:
The formula for area is base × height.
2 [tex]\frac{1}{2}[/tex] × 10 = 25
Find the measure of each angle. Assume the lines are parallel
m<2 =
m<3=
m<4=
m<5 =
m<6 =
m<7=
m<8=
Please please please help
Will give brainily
Answer:
angles 3 5 and 7 equal 113
angles 2 4 6 and 8 equal 67
Which of the following statements best describes the transfer of thermal energy when an ice cube is placed in a cup of hot water?
A.
Heat flows from the water to the ice.
B.
Cold flows from the ice to the water.
C.
Cold flows from the ice, and heat flows from the water.
D.
Heat flows equally between the ice and the water.
Answer:
A. Heat flows from the water to the ice
The area of the parallelogram is 315 square units. What is the height of the parallelogram?
WILL GIVE BRAINLEST
Answer:
15
Step-by-step explanation:
A÷B= H (Area divided by base equals height)
315÷21= 15
Answer:
height = 15
Step-by-step explanation:
Area of a parallelogram: Base * height
Plug in the values we know.
21 * height = 315
Divide both sides by 21
height = 15
hi i need help asap
10(y - 3) +(6y - 5)
Answer:
16y -35
Step-by-step explanation:
10(y-3)+(6y-5)
10y-30+6y-5
10y+6y -30-5
16y -35
Angela owns a set of 6-inch tall glasses. Each glass has a diameter of 3 inches. Angela has three people over for dinner. Each guest will be served a full glass of milk. How much milk will Angela need (in cubic inches)? Use 3.14 for pi ()
Angela owns a set of 6-inch tall glasses. Each glass has a diameter of 3 inches. Angela has three people over for dinner. Each guest will be served a full glass of milk. How much milk will Angela need (in cubic inches)? Use 3.14 for pi ()
jtftfjjvvjvghchvjufvyffytrcf
please help quick
Answer:
The one on the top right
Step-by-step explanation:
It displays 8 steps each with a length of 1/2 to represent 8 x 1/2.
HTH :)
what is an equation that requires only one step to solve one operation called?
Answer
algebraic equation
Step-by-step explanation:
Help
Don’t use for points or will take it back
Answer:
60°
Step-by-step explanation:
Angles in a triangle add up to 180°
80°+40°=120
180-120=60°
Answer:
60
Step-by-step explanation:
The angles of the traingle must add up to 180 which means that
40+80+x=180
Solve for x
120+x=180
60=x
Terry goes to the store to buy a shirt. The original price is $32. The shirt is
marked down 20%. When he gets to the check-out stand, he learns that
everything in the store is another 10% off of the marked down price. Which
dollar amount below is closest to the amount Terry paid for the shirt?
Answer:
The closest amount paid is $23
Step-by-step explanation:
Given
[tex]Price = \$32[/tex]
[tex]Mark\ down = 20\%[/tex]
Amount = 10% of Marked down price
Required
Determine the amount paid
First, we calculate the marked down price P2:
[tex]P_2 = Price(1 - Mark\ down)[/tex]
Substitute values for Price and Mark down
[tex]P_2 = \$32 * (1 - 20\%)[/tex]
Express percentage as decimal
[tex]P_2 = \$32 * (1 - 0.20)[/tex]
[tex]P_2 = \$32 * (0.80)[/tex]
Remove bracket
[tex]P_2 = \$32 * 0.80[/tex]
[tex]P_2 = \$25.6[/tex]
The payable amount is 10% off the marked down price,
This is calculated as:
[tex]Amount = P_2 - P_2 * 10\%[/tex]
Substitute $25.6 for P2
[tex]Amount = \$25.6 - \$25.6* 10\%[/tex]
Express percentage as decimal
[tex]Amount = \$25.6 - \$25.6* 0.10[/tex]
[tex]Amount = \$25.6 - \$2.56[/tex]
[tex]Amount = \$23.04[/tex]
The closest amount paid is $23
Based on what you've read, answer the following
1. What's the temperature change?
a. 35° F to 72° F
b. 40° F to 21° F
c. 120° F to 250° F
d. 15° F to 68° F
Answer:
a.+37 b.-19 c.+130 d.+43
Step-by-step explanation:
a.72-35 b.21-40 c.250-120 d,68-15
Arlene borrows $400 on a 4-year loan. She is charged 5% simple
interest per year. How much interest is she charged for 4 years? What
is
the total amount she has to pay back?
I
Answer:
For 4 years she is charged $20. She has to pay back $420
Step-by-step explanation:
Killian has $25 in his bank account. He wants to have at least $100. Working for his dad he earns $7.50 for each hour. Write an inequality that would help you find the number of hours he needs to work.
Answer:
Step-by-step explanation:
100-25<= 7.5x
x >= 10
Answer:
Responsability+nopartyscapes=200$!!!!
Step-by-step explanation:
I need help with this is this circumference or areas will mark you brainly if right
Tom has a collection of 13 snakes, 4 of which are purple and 5 of which are happy. He observes that
all of his happy snakes can add,
none of his purple snakes can subtract, and
all of his snakes that can't subtract also can't add.
Which of these conclusions can be drawn about Tom's snakes?
A)Purple snakes can add.
B) Purple snakes are happy.
C) Snakes that can add are purple.
D) Happy snakes are not purple.
E) Happy snakes can't subtract.
9514 1404 393
Answer:
D) Happy snakes are not purple
Step-by-step explanation:
The first statement tells us all happy snakes can add.
The second statement tells us that all purple snakes can't subtract, and the third statement tells us that purple snakes also cannot add.
Therefore, we must conclude that happy snakes are not purple.
compare-and-contrast analysis of how culture shapes the heroes in Heart of a Samurai and Black Ships Before Troy. Use transition words in your draft to help clarify relationships of ideas. KWHL What do you know? What do you want to know? How will you learn? What have you learned?
Answer:
Culture has a significant impact on heroes. For starters, it influences how a person or character perceives a particular situation or idea, as well as their point of view on a variety of ideas and topics. Next, it has an impact on how the hero is portrayed in the story. Third, it influences how a character reacts to an idea or situation.
Culture has an impact on heroes. We see an example of this in 'Black Ships Before Troy,' where in Achilles' culture, to be a hero, you must be brave and fight. This is also evident in 'Heart of a Samurai,' where Manjiro's culture dictates that in order to be a hero, you must provide for your family.
PLease Help!!
ALgebra 2
WIll be giving extra points
Answer:
B
Step-by-step explanation:
The lines show the solution to these equations:
y=2x-7 and y=-3x+3
Find the product.
2y2(3x + 5z)
5xy2 + 7y²z
6xy2 + 10y2z2
6xy2 7 10y?z
Answer:
6xy² + 10y²z is the product answer
Step-by-step explanation:
Here are the ingredients needed to make 8 pancakes.
250 ml milk
1 egg
140g flour
5G butter
Simon makes 4 pancakes. Work out how much milk he needs.
Craig makes 12 pancakes. Work out how much butter he needs.
Answer:
250ml milk ÷ 2 = 125 ml of milk
(5÷8) x 12 = 7.5G butter
hope this helped :)
Triangles X Y Z and X prime Y prime Z prime are shown.
ΔXYZ was reflected over a vertical line, then dilated by a scale factor of One-half, resulting in ΔX'Y'Z'. Which must be true of the two triangles? Select three options.
△XYZ ~ △X'Y'Z'
AngleXZY ≅ AngleY'Z'X'
YX ≅ Y'X'
XZ = 2X'Z'
mAngleYXZ = 2mAngleY'X'Z'
Answer:
1,2,4
Step-by-step explanation:
I just took the test and got it right and its the only logical answer.
If ΔXYZ, after reflection and dilation by a scale factor of 1/2, ΔX'Y'Z' is created, the following would be true:
1. △XYZ ~ △X'Y'Z'
2. AngleXZY ≅ AngleY'Z'X'
4. XZ = 2X'Z'
Dilation of ShapesWhen a shape is dilated, the new image formed is similar to the original shape.Similar shapes have proportional side but congruent corresponding angles.Thus, if ΔXYZ, after reflection and dilation by a scale factor of 1/2, ΔX'Y'Z' is created, the following would be true:
1. △XYZ ~ △X'Y'Z'
2. AngleXZY ≅ AngleY'Z'X'
4. XZ = 2X'Z'
Learn more about dilation on:
https://brainly.com/question/10253650
Algebra:
a(3b-1)=2b+2
Solve for b
Answer:
b = [tex]\frac{3ab - a - 2}{2}[/tex]
Step-by-step explanation:
We have an algebraic expression and are asked to solve for b.
a(3b - 1) = 2b + 2
To solve we need to isolate b :
Distribute :
(a(3b) - a(1)) = 2b + 2
3ab - a = 2b + 2
2b + 2 = 3ab - a
Subtract 2 from both sides :
2b = 3ab - a - 2
Divide 2 from both sides :
b = [tex]\frac{3ab - a - 2}{2}[/tex]
Answer:
b = 2+a/ 3a-2
Step-by-step explanation:
All the pencils have the same width. How wide is each pencil? (the struggle is real lemme just say)
Answer:
2 centimeters wide? I-
Step-by-step explanation:
The triangle on the grid will be translated two units down. On a coordinate plane, triangle A B C has points (2, 1), (0, negative 1), (2, negative 1). Which shows the triangle when it is translated two units down? On a coordinate plane, triangle A prime B prime C prime has points (0, negative 1), (0, negative 3), (2, negative 3). On a coordinate plane, triangle A prime B prime C prime has points (0, 1), (negative 2, negative 1), (0, negative 1). On a coordinate plane, triangle A prime B prime C prime has points (2, negative 1), (2, negative 3), (0, negative 3). On a coordinate plane, triangle A prime B prime C prime has points (2, negative 1), (2, negative 3), (0, negative 1).
please answer im taking the unit test on edge2021 and i need help ;(
Answer:
It would be triangle A'B'C' with points (2, -1); (0, -3); and (2, -3).
Step-by-step explanation:
If you were to translate triangle ABC down by two, then the y-value of each point would decrease by two. Hence, (2, 1) would become (2, -1); (0, -1) would become (0, -3); and (2, -1) would become (2, -3).
Answer:
c
Step-by-step explanation:
i got it right on test
A LOT OF POINTS!!!! PLZ ANSWER
Answer:
f(3x)= 3x+5/6x+2
substitute the value of X in the given question.
if u want simplified form then u can try rationalising.
f(3x)= 3x+5/6x+2 hope helped thanks for points
Pls help im failing I’ll brainlest for the right answer
Answer:
65 miles per hour
Step-by-step explanation:
Help Please!!! Find the slope.
Answer:
(-1,-1),(1,-4)
Step-by-step explanation:
it is the wright answer
A table contain 30 milligrams of medications. How many tablets will be needed to provide with 240 milligrams of medication
Answer:
8 tablets
Step-by-step explanation:
Answer:
8 tablets
Step-by-step explanation:
240/30
Please help at least do 3 questions please Don’t guess (can be more than one)
