5. Julie has taken 5 tests in science this
semester. On the first three tests, her
mean score was 70%. On the last two
tests, her mean score was 90%. What
is the mean of all five scores?

Answers

Answer 1

Answer:

83.333333333

Step-by-step explanation:

add 70+90+90=250/3= 83.3333333


Related Questions

Math isn't my strong suit I need some help.

What is the slope of the line shown in the graph? A) Undefined B) Zero C) Slope = 3 D) Slope = −3

Answers

The answer is A) Undefined

The equation of the line is x = 3 therefore there is not slope for the equation

Can someone please answer this for me

Answers

Answer:

x=18

Step-by-step explanation:

We'll assume that the shorter sides are AB and CD. Then 7x-6=5x+30. You add 6 to both sides. 7x=5x+36. Isolate x. 2x=36. Divide, and x=18.

A.) what are the slope and y-intercept for the linear function represented in the table

B.) write the equation in Y=MX+B form

Answers

A) Pick any two points and use the formula (y2-y1)/(x2-x1) to find the slope:

(-8- -2)/(2-0) = -6/2 = 3

To find the y intercept, plug one of the points in the y=mx+b form and solve for b:

y=mx+b
4=3(-2)+b
4=-6+b
10=b

B) Using what we solved for, the equation would be y=3x+10

Help I need help with this problem 100 points 100^5+10^2 equal what.

Answers

Answer:

10000000100

Step-by-step explanation:

brainliest please or 100 points

PLEASE HELP!
BRAINLIEST ANSWER!!!!!!!!

Answers

Answer:

1) 1. 3/5

2. 6/10 which simplifies to 3/5

3. 9/15 which simplifies to 3/5

Step-by-step explanation:

let me know if there are specific questions you want me to answer. I did the first one, but I don't have time to answer them all right now. hopefully this gives you a good start

#4 Question ⇔ Answer

[tex]b:8:10=3:4:5\\ 9:12:15=3:4:5\ \left\{Calculation\right.[/tex]

[tex](3\times4):(4\times4):(5\times4)=12:16:20[/tex]

[tex]so\ the\ ratio\ will\ be\ the\ same[/tex]     ← Answer


s(x) = -2x - 2
t(x) = x² - 2
Find the value of s (t(3)).

Answers

Answer:

-16

Step-by-step explanation:

t(3)= 3²-2

= 7

s(t(3)) = -2×7-2

= -14-2

= -16

Providing brainliest

Answers

Answer:

Question 1:

Perfect square trinomial

A trinomial has three terms

Question 2:

Neither

The polynomial only has one term that is being squared.

Which answer choice shows the decimals in order from greatest to least ?
A. 1. 234,1. 237,1. 2,1. 48,2. 01
B. 1. 2,1. 234,1. 237,1. 48,2. 01
C. 2. 01,1. 48,1. 237,1. 234,1. 2
D. 1. 2,1. 48,2. 01,1. 234,1. 237

Answers

It’s A because I looked it up

square root of 15, 2 times the square root of 3, 3 times the square root of 3, square root of 17 least to greastes get it right and u win 100 dollars

Answers

Answer: 9

Step-by-step explanation: Im guessing right now

6 cm
5 cm
13 cm
Area of figure

Answers

Answer:

option A by symmetry of figure.and then using formula of triangle and rectangle.

Step-by-step explanation:

Solve 2x^2 - 4x - 3 = 0
Using the Quadratic formula

(Show step by step how to get the answer because I gotta show my work)

Answers

2x^2 - 4x - 3 = 0 ——— a = 2, b = -4, c = -3
quad formula is
-b +/- (square root) b^2 - 4ac /2a
-(-4) +/- (sr) -4^2 - (4 x 2 x -3) / (2 x 2)
4 +/- (sr) 16 - -24 / 4
4 +/- (sr) 40 / 4
put it into calc
4 + (sq) 40 / 4 = 2.5811 (4dp)
4 - (sq) 40 / 4 = -0.5811 (4dp)
mbb if this is wrong.. :’)

Maggie recorded her summer reading in the table below.


Problem

What is the constant of proportionality that relates number of pages read, y, to the number of hours she read, x?

Answers

Answer:

can I see the table so I can see where your x and y is

Geometric series:
Please help quick!

Answers

Answer:

The DNA is a double-stranded molecule that has a long chain of nucleotides. The RNA is a single-stranded molecule which has a shorter chain of nucleotides. Propagation. DNA replicates on its own, it is self-replicating. RNA does not replicate on its own.

Neuron Function: Food Preservation

Fertilizer Meaning: Exocrine Glands

Food Chain Examples: Cell Biology

PLS HELP WILL MARK YOU BRAINLIEST! NO FAKE ANSWERS!

Answers

Answer:

C

Step-by-step explanation:

the measure of an inscribed angle is half the measure of its intercepted arc, so

arc DE = 2 × ∠ DFE = 2 × 18° = 36°

DF is a diameter of the circle , then

arc DEF = 180° , then

arc EF = 180° - 36° = 144°

mDFE=m DE/2mDE=2(18)=36°

Now

mEF and m DE lies in one line hence supplementary

mEF:-

180-36144°

Functions need 4,5 and 6!!! With work please!!

Answers

Step-by-step explanation:

You plug in the number that needs to be plugged in and then you solve like a normal equation.

The circumference of a circle is 69.08 meters. What is the circle's radius? Use 3.14 for ​.

Answers

Answer:

Circumference = 2πr

69.08 = 2× 3.14 × r

69.08 ÷ 6.28 = r

11m = r

Answer: 22

Step-by-step explanation: Divide the total by pi or 3.14 and the diameter is 22 and the radius is 11

The sum of two
numbers is 152 and
their difference is 40.
Find the two numbers.

Answers

Answer: The numbers are 96 and 56

Step-by-step explanation:

x+y=152

x-y=40

If you subtract the equations from one another, you will get

x+y=152

-(x-y)=40

So, 2y=112, making y=56

If you plug y=56 into x+y=152, you will get x=96

perform the following operation and express the answer in scientific notation 5.450x10^-4x3.550x10^-7

Answers

Answer: 5.450 x 10^-4 x 3.550 x 10^-7

19.3475 x 10^-11

1.935 x 10^10

Answer:

1.93475 x 10^-10

Step-by-step explanation:

5.450X10^-4 * 3.550X10-7

= 1.93475 x 10^-10

what is the value of a

Answers

27 degrees, hope this helps!

Can -2/x be equal to x^-1? Why?

Answers

[tex]\mathbb{FINAL\;ANSWER:}[/tex]

[tex]\huge\boxed{\sf{Nope}}[/tex]

[tex]\mathbb{SOLUTION:}[/tex]

Hi! Hope you are having a nice day!

Recall the Properties of  Exponents:

[tex]\rm{a^{-b}=\displaystyle\frac{1}{a^b}[/tex]

Let's use this property to solve:

[tex]\rm{x^{-1}[/tex]

According to the property, we should flop the number over:

[tex]\rm{\displaystyle\frac{1}{x^1}[/tex]

Is that equal to [tex]\displaystyle\frac{-2}{x}[/tex]?

No.

Hope you could comprehend everything.

#CarryOnLearning

Examine the data below for a stalk of corn. Logarithmic regression Use logarithmic regression to find an equation of the form y = a b ln(x) to model the data. A = b =.

Answers

The value of a and b for the data values of stalk of corn using the logarithmic regression is -76.2038 and 37.6735 respectively.

What is logarithmic regression?

Logarithmic regression is a type of regression which is used to model the statement in which the growth or decay initially at rapid rate, and then slow down with respect to time.

The data of the table for the day and height of the stalk of corn is listed below.

Day (x)                9    12    22    40    

Height (y) in        5    17    45    60  

Mean of x values,

[tex]m_x=\dfrac{9+12+22+40}{4}\\m_x=17.5581[/tex]

Mean of y values,

[tex]m_y=\dfrac{5+17+45+60}{4}\\m_y=31.75[/tex]

For the above table, the value of correlation coefficient is 0.99133. For these values, the logarithmic regression can be given as,

[tex]y = -76.2038+37.6735\ln(x)[/tex]

Compare it with the following logarithmic regression equation, we get

[tex]y = a+b\ln(x)[/tex]

[tex]a=-76.2038\\b=37.6735[/tex]

Hence, the value of a and b for the data values of stalk of corn using the logarithmic regression is -76.2038 and 37.6735 respectively.

Learn more about the logarithmic regression here;

https://brainly.com/question/25226042

Answer: a= -76.204

b= 37.673

51 days

Step-by-step explanation:

Help Please I Need It Please

Answers

Step-by-step explanation:

just think calm and logically.

what are the parts of the surface area ?

rest assured, there is no such thing like a general equation for the surface area of a prism.

well sure, there could be, but there are so many different variations, to describe them would be more complicated than the formula. so, we only have a general approach for the volume of such regular prisms (ground area × height).

but for the surface area we just have to break this problem into smaller problems we can easily solve and then add the results together.

so,

we see, there are 5 sides of this special prism.

top, bottom, left, right and front.

so, we need to calculate these 5 areas and simply add them up.

left and right are rectangles. one is

11×18 = 198 in²,

the other is

12×18 = 216 in², together they are 414 in².

the front is a rectangle

8×18 = 144 in²

top and bottom are equal triangles. each is

8 × height / 2

or per Heron's formula

A = sqrt(s(s -a)(s - b)(s -c)) where s = (a + b + c)/2

our s here is

s = (8 + 11 + 12)/2 = 15.5

A = sqrt(15.5×7.5×4.5×3.5) = sqrt(1830.9375) =

= 42.78945548... in²

both together are 85.57891095... in²

so, the total surface area is

414 + 144 + 85.57891095... = 643.578911... in²

if we need to round to e.g. whole square inches, this would be

644 in²

What was the Enlightenment, and how did it change they way people viewed government? Write your answer in complete sentences.

Answers

Answer:

The Enlightenment was a seventeenth- and eighteenth-century intellectual movement that aimed to better society via fact-based reasoning and investigation. The Enlightenment introduced secular ideas to Europe, changing people's perceptions of problems like liberty, equality, and individual rights. Today, such ideas are the bedrock of the world's most powerful democracies.

Step-by-step explanation:

two ideas that emerged from the Enlightenment:

Intellectuals like Jean-Jacques Rousseau and John Locke introduced the idea that no monarch should have absolute authority. Both claimed that leaders' authority came from the people, not from God. And, according to Locke, if people disagreed with their leader, they had the right to have their government replaced with one that honored their rights.

Pre-Enlightenment Equality Powerful individuals known as the nobility had exclusive privileges to buy land, avoid taxes, and hold privileged jobs across Europe, while the lowest elements of society battled to make ends meet. The Enlightenment questioned this system, with intellectuals such as John Locke arguing that all men are created equal and that no one should be born with more power than another.

Joey is saving up enough money to purchase a game that costs $76. 75. He has $15. 50 saved and is going to save an additional $12. 25 per week. Solve the equation that represents this situation to determine how many weeks it will take Joey have enough money for his game

Answers

Answer:

It would take Joey 5 weeks

Step-by-step explanation:

76.75-15.50 = 61.25

61.25/12.25=5

Given that x =6 and Y = -4 evaluate each of the following expressions
2x^2 - y^3

Answers

Answer:

136

Step-by-step explanation:

2(6)^2-(-4)^3

2(36)+64

72+64

-Hope it helps :)

There is 1/6 of an extra large pizza left over. If three friends share the pizza equally, what fraction of a whole pizza will each friend get?​

Answers

Answer:

1/18

Step-by-step explanation:

Based on the given conditions, formulate: 1/6 divided by 3

Calculate the product or quotient: 1/18

Convert to fraction: 1/18

100 POINTS. ILL GIVE BRAINLIEST TO THE FIRST PERSON WHO GETS IT RIGHT.

Answers

Answer:

a

Step-by-step explanation:

Total for Likes Burritos: 70

Does not like burritos: 81

Total for does not like hamburgers: 95

I don't fully know if it's right because I got help from someone else

Write an equation for the translation of y = 4/x that has the given asymptotes x = 2, y = 2

Show work

Answers

According to the given asymptotes, the equation for the translation of the function is:

[tex]y = \frac{4}{x - 2} + 2[/tex]

What are the asymptotes of a function f(x)?The vertical asymptotes are the values of x which are outside the domain, which in a fraction are the zeroes of the denominator.The horizontal asymptote is the value of f(x) as x goes to infinity, as long as this value is different of infinity.

In this problem, the function is:

[tex]y = \frac{4}{x}[/tex]

The vertical and horizontal asymptotes are, respectively, given by: x = 0, y = 0.

To have the desired asymptotes, the function has to be shifted 2 units to the right and 2 units up, hence it is given by:

[tex]y = \frac{4}{x - 2} + 2[/tex]

More can be learned about translations at https://brainly.com/question/4521517

Timothy invested a total of $7,500 in two accounts. One account pays 3% interest annually; the other pays 2% interest annually. At the end of the year, Timothy earned a total of $175 in interest. Write and solve a system of equations' to find how much money Timothy invested in each account.
Timothy invested ___in 3% account and ______in the 2% account

Answers

Answer:

Timothy invested $2500 in 3% account and $5000 in the 2% account

Step-by-step explanation:

Let the investments be x and y.

Required equations are:

x + y = 75000.03x + 0.02y = 175

Solve the system by elimination, multiply the second equation by 50 and subtract the first one:

50(0.03x) + 50(0.02y) - x - y = 50(175) - 75001.5x - x = 12500.5x = 1250x = 2500

Find the value of y:

2500 + y = 7500y = 5000

if 1 pound=Rs.135 and dollar 1=Rs105 then convert pound 63 into dollar

Answers

Answer:

81

Step-by-step explanation:

63×135=8505

8505÷105=81#

In 63 pounds, there are equivalent 81 dollars.

What is unit conversion?

A unit conversion expresses the same property as a different unit of measurement.

For instance, time can be expressed in minutes instead of hours, while distance can be converted from miles to kilometers, or feet, or any other measure of length.

Given is that -

1 pound = Rs.135

1 dollar = Rs. 105

Now, we can write that 1 rupee as -

Rs. 1 = 1/105 dollar

So, in 1 pound we can write -

1 pound = 135 x 1/105 dollars

63 pounds = 63 x 135 x 1/105 = 81 dollars

Therefore, in 63 pounds, there are equivalent 81 dollars.

To solve more questions on triangles, visit the link-

https://brainly.com/question/2773823

#SPJ2

Other Questions
Meg is heading back to her car after a hike to Misty Falls. The waterfall is at an elevation of4,000 feet, and the trail descends an average of 500 feet for every 1 mile she hikes. You canuse a function to approximate Meg's elevation after she hikes x miles.write and equation for the function, if it is linear, write the form h(x)=mx+b, if it is exponential, write it in the form h(x)=a(b)^x Suppose that you had to choose someone, like a friend or relative, to make decisions for you. This person might need to make decisions about important issues, such as your finances or your future. Which of these people would you trust most to make decisions for you? someone who is from another country someone who is rich someone who is considered an excellent studentExplain the reasons for your choice in the space below. What is the perimeter of a square if it has an area of 10 sq. cm. What fractions are less than 5/6 Assume that a wave has an amplitude of 1 unit and transports 2 units of energy. How much energy will the wave transport if its amplitude increases to 4 units? HELP ME PLEASE! The owners of an amusement park charge an admission fee, c, in dollars for children and an admission, p, in dollar for adults. They sold 500 child tickets and 800 adult tickets. Enter an equation that represents the total amount in dollars, t, collected from sale of tickets He must give the message to the right person In the winter, the air particles in your tires are moving slowly so your tire will be _____, but in the summertime the air particles are moving rapidly so your tire will be _____. Question 4 options: Warm, Cold Moving, Not Moving Firm, Exploding Flat, Firm. Evolutionary theory predicts that related organisms will share similarities that are derived from common ancestors. Which of the following CANNOT be concluded from the fossil evidence?OPTIONSThe chronological sequence in which different organisms first appeared.Evidence of every species that has ever existedLinks between groups leading to various modern speciesRelation through common descent from older organisms HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP MEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE PLSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS How many reports for colleges does the ACT registration fee cover?& . 4. 2 C. 5D. 1 When DNA is subjected to high temperatures, what happens?The DNA molecule crystalizes.The antiparallel strands reorient themselves to become parallel.The phosphodiester bonds are broken.The double helix converts into a triple helix.The hydrogen bonds that hold the strands together are broken. During lunch, Julio drinks 2 3/4 cups of milk. Alan drinks 3/8 cups of milk. Fernando drinks 1 1/6 cups of milk. How much milk do the 3 gentleman drink In this form of rule, the government has total control of all economic resources, and distributes property and income to the people. There is no private ownership; the government controls all resources.a. Communismb. Socialismc. Fascism Why has Earths climate changed so rapidly in recent years? QUICK HELP, CMON PPLat least 20 characters How many moles are in 59.6 grams of BaSO4 what was westward expansion?use your own words! how many ways can i choose 5 goldfish from 28 What type of training may help to improve pain tolerance and function for someone experiencing back pain