I know this is like super easy but I really don't trust myself

I Know This Is Like Super Easy But I Really Don't Trust Myself

Answers

Answer 1

Answer:

80 questions

Step-by-step explanation:

If 16 questions is 20%, then 16 comprises of 1/5 of the total questions. This means that 16 times 5 makes 100%, so 80 is correct.

Answer 2
80 hope this helps lmk if I’m incorrect

Related Questions

Jo estimated the quotient of –41.71 divided by –6.03 by rounding each to the nearest integer. What is Jo’s error?

Negative 42 divided by negative 7 = 6
Jo should have rounded the dividend to –40.
Jo should have rounded the divisor to –6.
Jo should have divided –7 by –42.
Jo should have divided –7 by –7.

Answers

Answer:b

Step-by-step explanation:

Answer:

b

Step-by-step explanation: i took the test and got it right

does not make sense
u5iu42yufyuerhsdufghrshgbfyudirhuigrdyvfuthrdug

Answers

Huhhhhhhhhhh???????????

Answer:

my life doesn't make sense

Step-by-step explanation:

What is f(3) if f(x) = -4x + 1 ?

Answers

f(3)=10 I think this is it

Answer:

f(3) = -11

Step-by-step explanation:

should be lol


3. n X 721 = 72.1

n =

Answers

Answer:

n would be 0.10

Step-by-step explanation:

the only way to get 72.1 is to multplay something below it like 0.10 so that why it makes since

If f(x)=2x-3 find the following
f(7)=
f(-2)=
f(-4)=

Answers

Step-by-step explanation:

f(x)=2x-3

now,

f(7)=2× 7-3

=14-3

=11

f(-2)='-2×7-3

= -14-3

b= -17

f(-4)= -4×7-3

= -28-3

= -31

The value of f(7) ,f(-2) and f(-4) will be 11 , -17 and -31 respectively.

What is a function?

A certain kind of relationship called a function binds inputs to essentially one output.

A function can be regarded as a computer, which is helpful.

The machine will only accept specified inputs, described as the function's domain, and will potentially produce one output for each input.

In other words, the function is a relationship between variables, and the nature of the relationship defines the function for example y = sinx and y = x +6 like that.

Given,

f(x)=2x-3

f(7) so put x = 7

f(7) = 2(7) - 3

f(7) = 11

Now,

f(-2) so put x = -2

f(-2) = -2×7-3

f(-2) = -17

Now,

f(-4) so put x = -4

f(-4)= -4×7-3

f(-4) = -31

Hence,The value of f(7) ,f(-2) and f(-4) will be 11 , -17 and -31 respectively.

For more about the function,

brainly.com/question/23712366

#SPJ2

What is the slope function y=8x+6

Answers

8x is the slope .. 6 is the y-intercept

45% of a school brought in permission slips for Skateland. If the school received 150 permission slips, how many students are there in the school?

Answers

Step-by-step explanation:

What is 45% of 150?

Y is 45% of 150

Equation: Y = P% * X

Solving our equation for Y

Y = P% * X

Y = 45% * 150

Converting percent to decimal:

p = 45%/100 = 0.45

Y = 0.45 * 150

Y = 67.5

Brainliest?

Calculus Application

2. A ladder 20 feet long leans a vertical building. If the bottom of the ladder slides away from the building
horizontally at a rate of 2 ft/sec, how fast is the ladder sliding down the building when the top of the
ladder is 12 feet above the ground?

Answers

Answer:

-8/3 ft/s

Step-by-step explanation:

We are given:

distance of the top of the ladder from the ground (h) = 12 ft

height of the ladder = 20 ft

rate of change of the distance of the base of ladder from the wall (dx/dt):

2 ft/s

Finding the distance of the base of the ladder from the wall:

From the Pythagoras's Theorem, we know that:

hypotenuse² = height² + base²

replacing the given values

20² = 12² + x²

400 = 144 + x²

x² = 256                            [subtracting 144 from both sides]

x = 16 ft                            [taking the square root of both sides]

The rate of change of the height of the Ladder from the ground:

We know that:

h = 12 ft

([tex]\frac{dh}{dt}[/tex]) = ?

x = 16 ft

([tex]\frac{dx}{dt}[/tex]) = 2 ft/s

According to the Pythagoras's Theorem:

20² = x² + h²

differentiating both sides with respect to time

[tex]\frac{d(400)}{dt} = \frac{d(x^{2} + h^{2})}{dt}[/tex]

[tex]0 = \frac{d(x^{2})}{dt} + \frac{d(h^{2})}{dt}[/tex]

[tex]0 = \frac{d(x^{2})}{dx}(\frac{dx}{dt}) + \frac{d(h^{2})}{dh}(\frac{dh}{dt})[/tex]

[tex]0 = 2x(\frac{dx}{dt}) + 2h(\frac{dh}{dt})[/tex]

replacing the variables

[tex]0 = 2(16)(2) + 2(12)(\frac{dh}{dt})[/tex]

[tex]0 = 64 + 32(\frac{dh}{dt})[/tex]

[tex]-64 =32(\frac{dh}{dt})[/tex]                                [subtracting 64 from both sides]

[tex]\frac{-64}{32} =(\frac{dh}{dt})[/tex]                                    [dividing both sides by 32]

[tex]\frac{dh}{dt} = \frac{-8}{3} ft/s[/tex]

Hence, the ladder will slide down at a speed of 8/3 feet per second

Alex is ordering his girlfriend a bouquet of flowers for their anniversary. Roses cost $5 each and carnations cost $2 each. He would like to include at least 3 flowers.To stay in his budget, he must not spend more than $36.

1) Identify the combinations of roses or carnations Alex could purchase for his girlfriend.

A) 3 roses and 8 carnations
B) 6 roses and 6 carnations
C) 6 roses and 1 carnation
D) 4 roses and 11 carnations
E) 2 roses and 6 carnations


2) Norah graphed the system above.

Did she graph the system correctly?

O) No, Norah did not graph correctly.
O) Yes, Norah is correct.

Answers

Answer:

Y=2x+ 5y

Y<(less than or equal to) 36

X+y>( greater than or equal to) 3

Step-by-step explanation:

So to find one variable in the equation such as finding the amount of roses or carnations, you would have to do system of equations. Some ways of using system of equations is to use substitution, elimination, or graphing.

What is 67.98 ÷ 100000000

Answers

Answer:

0.00000067

Step-by-step explanation:

Which of the following is a true statement about the expression -9+9

Answers

add your choices so we can see what you’re working with

The explicit formula for an arithmetic sequence is an = 20 + (n − 1)(2). What is the 200th term?

Answers

Answer:

[tex]a_{200}=418[/tex]

Step-by-step explanation:

The explicit formula for an arithmetic sequence is given by :

[tex]a_n=20+(n-1)2[/tex] ...(1)

We need to find the 200th term of the sequence.

Put n = 200 in equation (1)

[tex]a_{200}=20+(200-1)2\\\\=20+199\times 2\\\\=418[/tex]

So, the 200th term of the sequence is 418.

largest two digit prime natural number​

Answers

Answer:

97

Step-by-step explanation:

Answer:

97 97 97

Step-by-step explanation:

its 97........

PLEASE ANSWER THIS MY BRAIN IS EXPLODING!!!! I NEED YOUR HELP!!!! SAVE ME FROM THESE MATH PROBLEMS!!!
(1)
This table shows the minutes students spent studying for their math exam and the scores they received.
Study time (min) 15 10 30 12 17 43 61 20 8 25 31 40
Exam score 80 78 92 72 75 85 99 83 68 88 86 90

Use a graphing calculator to model the data using a linear function.

What is the correlation coefficient of the data?

−0.75
−0.40
0.49
0.87

2)
A group of people tried joining a gym to see if it would help them to lose weight. This table shows the relationship between the number of weeks since each person joined the gym and the number of pounds they have lost.
Weeks 10 8 6 2 1 5 9 8
Pounds Lost (lb) 4 2.5 0 1 0.5 3 3.5 1.5

Which function best models the data?

y = 0.31x + 0.12
y=−0.43x+2.5
y=−1.5x+5.5
y=0.75x−3.5

(3)
What is the strength of the association between the two variables in the scatter plot?
The strength of association is?
A. Weak
B. Strong

Answers

Answer:

0.49

Step-by-step explanation:

This is what I would put. If my work isn't correct I am so sorry.

Solve the equation n/10 + 8 = 11

Answers

n in (-oo:+oo)

n/10+8 = 11 // - 11

n/10-11+8 = 0

1/10*n-3 = 0 // + 3

1/10*n = 3 // : 1/10

n = 3/1/10

n = 30

n = 30

Answer: I think 7

Step-by-step explanation:

Which table does NOT represent a function? A) A)
B)
C)
D) ​

Answers

Answer:

D

Step-by-step explanation:

If a number on the x side repeats then its automaticaly not a function.

D
Got it right on my TEST

Find the characteristic polynomial and the eigenvalues of the matrix.

[5 3]
[-4 4]

Answers

Answer:

Step-by-step explanation:

Given the matrix

[5 3]

[-4 4]

The characteristic polynomial is expressed as |A - λI| = 0  where λ are the eigen values and I is am identity matrix A 2*2 identity matrix is expressed as;

[1 0]

[0 1]

Substitute into expression will give;

[tex]= \left[\begin{array}{cc}5&3\\-4&4\\\end{array}\right] - \lambda \left[\begin{array}{cc}1&0\\0&1\\\end{array}\right] = 0\\= \left[\begin{array}{cc}5&3\\-4&4\\\end{array}\right] - \left[\begin{array}{cc}\lambda &0\\0&\lambda \\\end{array}\right] = 0\\= \left[\begin{array}{cc}5-\lambda&3\\-4&4-\lambda\\\end{array}\right] = 0[/tex]

Find the determinant of the resulting matrix;

|A - λI| = (5- λ)(4- λ)- 3(-4) = 0

|A - λI| = 20-5 λ-4 λ+ λ²+12 = 0

|A - λI| = 20-9λ+λ²+12 = 0

-9λ+λ²+32 = 0

Rearrange;

λ²-9λ+32 = 0

Hence the characteristic polynomial is expressed as λ²-9λ+32 = 0

Get the eigen values by finding the roots of the equation;

λ = 9±√9²-4(1)(32)/2

λ = 9±√81-(128)/2

λ = 9±√-47/2

λ = 9±√-47/2

λ₁ = 9-√47 i/2 and λ₂ = 9+√47 i/2

On a local sports​ team, 30 ​% of 50 players are ​-handed. How many left ​-handed players are​ there?

Answers

Answer:

35 players are left-handed

Step-by-step explanation:

50% of 50 is 25

40% of 50 is 20

30% of 50 is 15

50 - 15 = 35

A seagull ate exactly 12 anchovies everyday for one week,How many ancovies did it eat in all?​

Answers

Answer:

Step-by-step explanation:

7 days in a week so 12 times 7, which is 84 anchovies

PLEASE HELP! I WILL GIVE BRAINLIST AND THANKS list three physical properties of matter

Answers

Answer:

mean,range,and mode.

I learned this just last Thursday, duh ;)

Step-by-step explanation:

45 1/3 x 8 1/9 = m
m = ?
If you answer I will rate you 5 stars. Thank you!

Answers

Answer:

367 19/27

Step-by-step explanation:

Use symbolab bruv, its easy.

Please help me im having trouble answering this question

Answers

Answer:

I'm not 100 percent sure but I think the area is 12.

The ___ is located at (-4, 3.5).
The Brooklyn Bridge is located at ___.​

Answers

Answer:

Statue of Liberty,(-5,-4.5)

Step-by-step explanation:

Answer:

third one for both

Step-by-step explanation:

There are 550 people at the school
carnival.
Part A
If 385 of the people are students, what
percentage of the people at the school
carnival are students?
Part B
If 30% of all the people at the carnival are
on a ride, how many people are on a ride?

Helppppp me I have 30 minutes

Answers

Answer: part A is 20%

Part B is 165

Step-by-step explanation:

Part B: 30% x 550= 165

The percentage of people who are students will be 70%. And the number of people who are on the ride will be 165.

What is the percentage?

The amount of any product is given as though it was a proportion of a hundred. The ratio can be expressed as a quarter of 100. The phrase % translates to one hundred percent. It is symbolized by the character '%'.

The percentage is given as,

Percentage (P) = [Final value - Initial value] / Initial value x 100

There are 550 people at the school carnival. If 385 of the people are students, then the percentage is calculated as,

P = (385 / 550) x 100

P = 70%

If 30% of all the people at the carnival are on a ride. Then the number of people on a ride will be given as,

⇒ 30% of 550

⇒ 0.30 x 550

⇒ 165 people

The percentage of people who are students will be 70%. And the number of people who are on the ride will be 165.

More about the percentage link is given below.

https://brainly.com/question/8011401

#SPJ2

Helppppppppppppppppppppppp meeeeeeee

Answers

Answer:

A I think

Step-by-step explanation:

A) would be correct


I hope you can see it
Can someone help me ty

Answers

i believe the answer is b

this is because pemdas calls for multiplication before subtraction

answer choice one shows 1 - (4x3)
answer choice two shows (4x3) - 1
answer choice three shows 4 + 3 - 1
answer choice four shows 4(3-1)

hopes this helps!

pls help! will give brainliest!

Answers

Answer:

192 and 288

Step-by-step explanation:

PLS HELP DUE VERY SOON
Write an equation that represents the green line

Answers

Answer: The answer is

Step-by-step explanation:so are u asking fo X,Y?

Answer:

The green line represents the true relationship between the variables. ... this is an overfit model, and I'll show you how to detect it shortly . Fitted line ... Calculates the regression equation.

6th grade math I mark as brainliest

Answers

Answer:

8

Step-by-step explanation:

The exponent is the top number, which in this case would be 8.

Answer:

169.83

Step-by-step explanation:

big brain

2) It took 3 people 4 hours to build a raft. How long would it take 6 people to build the same raft?

Answers

Answer:

2 hours

Step-by-step explanation:

Double the people, divide the hours by 2.

Answer:

8 hours.

Step-by-step explanation:

3:4=6:x

Other Questions
100% of apples observed in the summer are red, leads to the assertion all apples are red."Identify the misuse of statistical data in the above statement.A)Loaded questionsB)Data manipulationOvergeneralizationD)Discarding unfavorable data Helpppp plzzz plzzz help 4x+(7-3)5=10 please help with this one Which table represents points on the graph of h(x) = RootIndex 3 StartRoot negative x + 2 EndRoot? A. A 2-row table has 5 columns. The first row is labeled x with entries negative 8, negative 1, 0, 1, 8. The second row is labeled y with entries 4, 3, 2, 1, 0. B. A 2-row table has 5 columns. The first row is labeled x with entries negative 2, negative 1, 0, 1, 2. The second row is labeled y with entries 10, 3, 2, 1, negative 6.C.A 2-row table has 5 columns. The first row is labeled x with entries negative 6, 1, 2, 3, 10. The second row is labeled y with entries 2, 1, 0, negative 1, negative 2.D.A 2-row table has 5 columns. The first row is labeled x with entries negative 4, negative 3, negative 2, negative 1, 0. The second row is labeled y with entries negative 8, negative 1, 0, 1, 8. Which of the following was not an effect of the March 2011 earthquake and tsunami in Japan?A.Accidents occurred in Japanese nuclear plants.B.Trains continued to run in Tokyo after the earthquake.C.Tremors continued for days after the major earthquake hit. Erick and Mia live the same distance from the park and decide to meet at the parkone afternoon. The graphs show their distances from home over the same 30-minuteperiod as they walked to the park. Each section of each graph represents 10 minutes.ErickMiaDistance from HomeDistance from HomeTimeTimeWhich of these statements are true? 15. (03.03 MC)Tasha has two credit cards with low balances. She uses them for groceries and entertainment and pays them off in full when they are due each month. What could befuture consequence of this behavior? (5 points)An increased interest rateA higher credit scoreLoss of creditMore interest who asked????????????? Rosita went to the mall.She purchased a smoothie for $4,a scarf for $12,and a scrunchie for $8.Rosita plans to add 4+12+8 to determine the total amount that she spent. Describe how Rosita can use the communicative property to more easily calculate the total Help me please? How did Mondrian use these principles of art to create a certain feeling or effect in his artwork? Based on The Riddle of the Rosetta Stone, what role did Sylvestre de Sacy play in Jean-Franois Champollions career? A. De Sacy gave Champollion a job, which allowed him to earn a living while continuing to decipher the writings on the Rosetta Stone. B. De Sacy taught Champollion everything he knew, which allowed him to decipher the writings on the Rosetta Stone. C. Champollion was inspired by de Sacy, who had already successfully deciphered the writings on the Rosetta Stone. D. Champollion studied with de Sacy, who had already attempted to decipher the writings on the Rosetta Stone. In what way(s) would the tornado change on a larger scale in nature?a.The tornado would be more powerful.c.both A and Bb.The tornado would not be stationary.d.none of the above what is the LCM of 20 an 11 An example of a population is all people who shop at Target while a sample is only those people who buy orange juice at Target. A. True B. False 3) What is the number of possible outcomes if two marbles are picked out of a bag that contains three red marbles and three blue marbles? (Note: Order does not matter.] A) 2 B) 3C) 4D) 6 WILL MARK BRAINLESIT If the circumference of a dining table is 28 ft, what will be the diameter of the dining table? Do I have enough money in my account to purchase my air pods if they have a price of $200 but I have a coupon for 20% off, but I also have to pay 6% tax? Early turnpikes were privately owned. At first, each owner set the toll. Different roads had different 2. Some cost far more than others to use. In the 1800s, the government stepped in. Soon every turnpike in a state had the same set of fees.A. surfaces B. ratesC. dangerD. lines E. guards Gregory watches TV for an average of 90 minutes per day on weekdays and an average of 135 minutes per day on the weekends. What is the ratio of the average number of minutes he watches TV on weekdays to minutes he watches TV on weekends? Jeans are on sale for 20% off the regular price. Which function would give you the total cost for purchasing a pair of jeans that costs x dollars?f( x) = x - 0.2 xf( x) = 0.2 x - xf( x) = 0.2 x