Mathematics High School

need help answer quick ​

Need Help Answer Quick

Answers

Answer 1

Answer:

number 10

k= 36

number 11

k=33

Related Questions

A student calculated the density of copper to be
8.37 g/cm3. The accepted value for the density of
copper is 8.92 g/cm3. What is the percent error in the
density?

Answers

Answer:

0.55/8.92×100

55/8.92

=6.17%

Convert 8 ounces into grams. Round your answer to the nearest whole number.

Answers

Answer:

227 g

Step-by-step explanation:

it would be 226.8 g

to find grams from ounces, multiply the ounces by 28.35 for an approximaye answer

Can someone help me with this

Answers

Answer:

Angle 3 is 65°, Angle 8 is 115°

Step-by-step explanation:

Angle 3 and 1- Linear Pair

Angle 8 and 1- Alternate Exterior

Jesse is reading a book that is 216 pages long. He is on page 88. What percentage of the book has he read?

Answers

Answer:

40.74

Step-by-step explanation:

Answer:

[tex]190.08\%[/tex]

Step-by-step explanation:

[tex] he \: had \: read \: \frac{88}{100} \times 216 = 190.08\%[/tex]

Find the area please ASAP

Answers

Answer:

30 units ^2

Step-by-step explanation:

area of triangle = (base × height) / 2

Nathan and jordan design surveys to determine the average amount of time bicyclists in a race spend training each week. Nathan surveys every fifth bicyclists crossing the finish line after a race. Jordan surveys the first five bicyclists to finish the race. Which best explains which sample is likely to be the most valid?

Answers

Answer: A) Nathan’s because his sample was more random

Step-by-step explanation: sampling methods quiz on edge

Nathan's sample is likely to be the most valid. Nathan's because his sample contained elements of the population.

What is a Survey?

In order to gather information on a service, product, or process, a survey is described as an act of looking at a process or asking a predetermined sample of people. Surveys used to gather data ask a specific set of individuals about their beliefs, actions, or knowledge.

Given, To find out how much time cyclists are in a race train on average each week, Nathan and Jordan develop questionnaires. Every fifth cyclist who crosses the finish line after a race is surveyed by Nathan. Jordan takes a survey of the top five cyclists who cross the finish line.

Since Nathan's sample contained elements of the population.

and it is more random.

The sample used by Nathan is probably the most reliable. Nathan's because the population was represented in his sample.

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What is the slope of the line represented by the equation y= -1/2x + 1/4

Answers

Answer:

-1/2 or -0.5

Step-by-step explanation:

answer is above

Four students are determining the probability of flipping a coin and it landing head's up. Each flips a coin the number of times shown in the table below.

Student
Number of Flips
Ana
50
Brady
10
Collin
80
Deshawn
20

Which student is most likely to find that the actual number of times his or her coin lands heads up most closely matches the predicted number of heads-up landings?

Answers

Answer:

Collin with 80

Step-by-step explanation:

Because he has the most flips, therefor he can most closely predict the number of heads up landings

Answer:

The correct answer is C.

Step-by-step explanation:

Collin is most likely to find that the actual number of times his coin lands heads up most closely matches the predicted number of heads-up landings.

Hopefully, this helps! :D

Ask your question below!

-0.8b = 10.4
what is b to make this equation true

Answers

if we divide 10.4 by -0.8 we get: -0.0769 which is the answer!

Answer:

- 13

Step-by-step explanation:

Step 1:

-0.8b = 10.4       Equation

Step 2:

b = 10.4 ÷ - 0.8     Divide

Answer:

b = - 13

Hope This Helps :)

Evaluatetheexpression

Answers

Answer:

Where's the expression?

Step-by-step explanation:

You forgot to include to expression in your question :)

Click to review the online content. Then answer the question(s) below, using complete sentences. Scroll down to view additional questions.
Online Content: Site 1

In a scatterplot what does the term outlier mean?

Answers

Answer:

An outlier is defined as a data point that emanates from a different model than do the rest of the data. ... If the outlier is omitted from the fitting process, then the resulting fit will be excellent almost everywhere (for all points except the outlying point).

An outlier for a scatter plot is the point or points that are farthest from the regression line. ... If a number of points are the same farthest distance from the regression line, then all these points are outliers. If all points of the scatter plot are the same distance from the regression line, then there is no outlier.

Step-by-step explanation:

Answer:

An outlier is defined as a data point that emanates from a different model than do the rest of the data. ... If the outlier is omitted from the fitting process, then the resulting fit will be excellent almost everywhere (for all points except the outlying point).

Step-by-step explanation:

Just copy the first part of the person above me or this one its the same but I put the first graph on and go it right. ;)

recipe call for 5 teaspoons of seasoning for every 7 batches of chicken. If you have 14 batches of chicken, how many teaspoons of seasoning will you need?

Answers

Answer:

10 teaspoons

Step-by-step explanation:

Solve |4x +3| < 5

I’m stuck on this question

Answers

x= 0.3 is a possible answer

Answer:

x < 1/2

x > -2

Step-by-step explanation:

We know that 4x + 3 < 5 and 4x + 3 > -5

4x + 3 < 5

~Subtract 3 to both sides

4x < 2

~Divide 4 to both sides

x < 2/4 or x < 1/2

4x + 3 > -5

~Subtract 3 to both sides

4x > -8

~Divide 4 to both sides

x > -2

Best of Luck!

What are the Slope and the Equation of the Image?

Answers

change in y/change in x

y2-y1/x2-x1

-1--5/0-2

-1+5/-2

4/-2

-2

slope is -2

now take one ordered pair and plug it into the equation (for this example i will use the SECOND ordered pair

y = -2x +b

-1 = -2(0)+b

-1 = b

the equation is

y = -2x - 1

157 is 16.6% of what number

Answers

157 = .166 x

157/0.166 = x

945.78313253 = x

157 is 16.6% of 945.78313253, which rounds to 946.

The 157 is approximately 16.6% of 945.78313253012 rounded to the nearest decimal place.

To find the number that 157 is 16.6% of,  set up the following equation:

16.6% = 0.166 (since percentages expressed as decimals)

0.166 × x = 157

To isolate x, we divide both sides of the equation by 0.166:

x = 157 / 0.166

Simplifying the division:

x ≈ 945.78313253012

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#1 What is the difference between
an expression and an equation?

Answers

An expression is a number, a variable, or a combination of numbers and variables and operation symbols. An equation is made up of two expressions connected by an equal sign.

i don't understand this i need help like helppp please ​

Answers

Answer:

[tex]x = 110 \\ (exterio \: angles \: of \: a \: traingle \: sum \: up \: to \: 360)[/tex]

Answer:

x = 110

Step-by-step explanation:

Assuming you require the value of x

The sum of the external angles of a triangle = 360°

The 3 angles shown are external angles.

Subtract the sum of the 2 given angles from 360 for x

x = 360 - (140 + 110) = 360 - 250 = 110


Cindy peeled 9 oranges every 24 minutes. At that rate, how many
would she peel in 32 minutes?

Answers

Answer:

12

Step-by-step explanation:

9/24 = 0.375 (how many peeled per minute)

0.375 x 32 = 12

Answer:

12 oranges

Step-by-step explanation:

Step 1:

9/24 = x/32        Equation

Step 2:

24x = 288        Multiply

Step 3:

x = 288 ÷ 24        Divide

Answer:

x = 12

Hope This Helps :)

On Monday morning Sergio Pappas had $14.78 in cash.
During the week he earned $45.00 for cutting lawns
and $35.75 for yard work, and he spent $25.23 on food
and $22.12 on gas.
# Problem Solution
a. What were Sergio's total earnings for the week?
b. What total amount did he have to spend during the week?
c. What was his balance at the end of the week?

( please do not comment if you do not know the answer, would be appreciated )

Answers

Answer:

Step-by-step explanation:

a-As he had earned $45.00 for cutting lawns and had earned $35.75 for yard work during the week and had not earned more than that, in order to find the total amount of money he earned during the week, we have to add $45.00 and $35.75 together which will be $80.75. So we can say that he had earned $80.75 during the week.

b- Since he had spent $25.23 on food and $22.12 on gas, we have to add them to get the total amount of money spend during the week. So after adding the amount of moneys spent, we will get $47.35.

c- Finally, to find out how many money he was left with, we have to subtract the amount of moneys spent from the total amount of earnings for the week. So, after subtracting $47.35 from $80.75 he is left with $33.4.

Fine the slope of the line graphed ?

Answers

Answer:

C. 2/5

Hope this helps!!!!!!!!

Julissa is running a 10-kilometer race at a constant pace. After running for 18 minutes, she completes 2 kilometers. After running for 54 minutes, she completes 6 kilometers. Her trainer writes an equation letting t, the time in minutes, represent the independent variable and k, the number of kilometers, represent the dependent variable.

Which equation can be used to represent k, the number of kilometers Julissa runs in t minutes?
k – 2 = k minus 2 equals StartFraction 1 Over 9 left-parenthesis t minus 18 right-parenthesis.(t – 18)
k – 18 = k minus 18 equals StartFraction 1 Over 9 left-parenthesis t minus 2 right-parenthesis.(t – 2)
k – 2 = 9(t – 18)
k – 18 = 9(t – 2)

Answers

Answer:

4th option is coreect

Step-by-step explanation:

Answer:

4th answer is correct.!

Step-by-step explanation:

Janice is babysitting this summer. She already has $35 in her account before
she begins babysitting. If she makes $25 each week, how much does she have after 3 weeks?

Answers

Answer:

110

Step-by-step explanation:

well if she has 35 in her account already and she babysits for 3 weeks and makes $25 each week that would be 25 times 3 or 25+25+25=75 then you would add 75 to 35 witch is 110

convert 7.25 kL to mL

Answers

Kl=1000
So that would be 7250 ok

Please answer this question for me PLEASE!! Legit answers only!
Fill in the blanks with the correct answer/option

Step 1 answer options
1.variable or constant
2. $294, $150, $175, $450

Step 2 Initial value/y-intercept = /answer options
1. $150, $450, $575, $350

Step 3: Slope intercept form :
y=450x + 575
y=294x + 450
y=150x + 575
y=450x + 150

Answers

Answer:

$150, $575, y=150x+575

Step-by-step explanation:

hi! the first answer is $150 because the slope is the change in y values divided by the change in x values.

(1625-1175)/3 = 150

the second answer is $575 because the y-intercept is the y value at x=0. the savings amount increases by 150 every month, so to get to 0, we multiply 150 by 4, which is 600. we subtract this from 1175, which is 575.

the third answer is y=150x+575 because the initial amount (y-intercept) is 575 so it is constant, and it increases by 150 every month (therefore accompanied by a variable).

hope this helps!

HELP MATH QUESTION!!

Answers

Answer:

The last answer is correct

Step-by-step explanation:

there is a 10 point slope in between 13 and 3

PLEASE HELP ME! (80 POINTS UP FOR GRABS!!)

Which table has a constant of proportionality between y and x of 4?

A.
B.
C.

Answers

Answer: A

Step-by-step explanation:

Answer: A-

Step-by-step explanation:

Liam rented a pedal board for 5.5 hours and paid a total of $93.75. What is an equation in point-slope form that
models the cost of renting a pedal board for x hours? How can Liam use the equation to find the one-time service
charge?

Answers

Answer: if y is the total cost of the rental, then y-93.75=12.5(x-5.5) models the cost of renting a pedal board for x hours. liam should rewrite the equation from the previous step so that y is isolated on one side. the constant on the other side is then the service fee.

Step-by-step explanation:

yeah that’s all

The point-slope form equation is an equation that has a slope "m" and passes through a point or two points.

The equation to find the one-time service charge is 93.75 = 17.05x + b

The point-slope form equation is written as:

y = mx + b

Where

m = gradient

b = slope of the line

Liam rented a pedalboard for 5.5 hours and paid a total of $93.75.

Therefore, the cost of renting a pedalboard for 1 hour

= $93.75/5.5

= $17.05

a) An equation in a point-slope form that  models the cost of renting a pedal board for x hours is written as:

y = mx + b

Where

y = Total charge = $93.75

m = Cost of renting a pedalboard per hour = $17.05

x = Number of hours for renting a pedal board

Hence, the equation is given as:

93.75 = 17.05x

b)The equation to find the one-time service charge where the service charge is b is given as

Hence, the equation is given as:

93.75 = 17.05x + b

Where b = service charge

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Find the value of x in the triangle shown below.
Choose 1 answer:

D) x=8

Answers

Answer:

B is the correct answer 100%.....

[tex]b \: \: \sqrt{32} [/tex]

Hopes to get BRAINLIEST

Thank you ☺️☺️☺️☺️

The blade of a windmill turns 60 times in 2 minutes. How many times does the blade turn in 15 minutes

Answers

Answer:

450

Step-by-step explanation:

60 divided by 2= 30

it spins 30times per minute

30 times 15= 450

The area of a square garden is 81 ft^2 so what is the length of each side

Answers

Answer: 9ft

Step-by-step explanation: 9•9 is 81

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