MATHEMATICS COLLEGE

8th grade
Math pls help

Answers

Answer 1

Answer: the answer is y=2/3x+600

Answer 2

Answer:

Answer:

y=2/3x+600

Step-by-step explanation:

as x goes up by 3, y goes up by 2. So this means the slope is 2/3. also, you add 600 which is the y intercept

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A traveling circus with thrill rides Charge 7$ For admission $1.50 For each ride you take. If you pay $29.50 total, how many rides did you take?
In a random sample of 13 residents of the state of Washington, the mean waste recycled per person per day was 1.6 pounds with a standard deviation of 0.43 pounds. Determine the 98% confidence interval for the mean waste recycled per person per day for the population of Washington. Assume the population is approximately normal. Step 1 of 2 : Find the critical value that should be used in constructing the confidence interval. Round your answer to three decimal places.
What is the answer hurry please36k = -9
Select the scenario below that demonstrates sampling bias. Select the correct answer below: a) Justin wants to estimate the ethnic background distribution of residents of his town. He collects data from 1000 randomly selected town residents by using a random number generator. b) To estimate the mean salary of professors at her university, Patricia collects data by recording the salaries of all professors included in 12 randomly selected departments. c) Elizabeth wants to estimate the mean height of students at her school. She collects data by selecting a random group of students within her classroom. d) To estimate the mean grade point average of students at her school, Annie collects data by recording the grade point average of every 25th student on the list of students after randomly selecting first student.

Could someone help me out with this.

Answers

Answer:

45 units

Step-by-step explanation:

Since both figures are similar, the ratio of their similar sides will be equal to a constant. Hence;

8/10 = 12/EH

8EH = 12 * 10

8EH = 120

EH = 120/8

EH = 15

Perimeter of EFGH = 15 + 10 + 5 + 15 = 45 units

In 1998, the University of Wisconsin collected data on means of transportation to work. In 2008, Betsy (a University of Minnesota student) used the data for her own project. Betsy is using which data collection method?

Answers

Answer:

a. Secondary Analysis

Step-by-step explanation:

Secondary Analysis of data is simply analysing data that was collected by someone else.

It is simply carrying out a research with the data that was collected by another person, most times the data has been used for a primary purpose.

Secondary analysis is an empirical exercise which applies the same basic research principles as researches utilizing primary data and has steps to be followed just as any research method.

Betsy is using the Secondary analysis because the data she is making use of has been collected originally by the school and has been used already for a primary purpose or research.

She didn't collect the data herself.

What is the area of this triangle? Enter your answer as a decimal in the box. Round only your final answer to the nearest tenth. in² The figure contains a triangle. One side is 11.1 inches. A second side is 7 inches. The angle between the given sides is 84 degrees.

Answers

The area of a triangle with sides 11.1 inches, 7 inches and 84 degree angle between the given sides is 38.6 in²

What is an equation?

An equation is an expression that shows the relationship between two or more variables and numbers.

The area of the triangle is given as:

Area of triangle = (ab * sin∝)/2

where a,b are the sides and ∝ is the angle between the sides, hence:

Area of triangle = (11.1 * 7 * sin84)/2 = 38.6 in²

The area of a triangle with sides 11.1 inches, 7 inches and 84 degree angle between the given sides is 38.6 in²

Find out more on equation at: brainly.com/question/2972832

Answer:

38.6

Step-by-step explanation:

There are 13 apples in a basket. 4 of these apples are green. The rest are red. what is the ratio?

Answers

Answer:

9:4 4:13

Step-by-step explanation:

Answer:

a) 9:4 b) 13 : 9

Step-by-step explanation:

13 = total

4 = green

13-4 ( which Is 9) = red

Ratio of red apples to green apples?

9:4

RATIO of all apples to red

13: 9

Quarterly withdrawls of $650 for 6 years; interest rate is 4.5% compounded quarterly.Find the amount necessary to fund the given withdrawls.

Answers

Answer:

The amount needed to finance this level of withdrawals is $ 9422.06

Step-by-step explanation:

For a fixed amount periodically withdrawn, during $n$ periods, with an interest rate $i$ , there is a present value of:

$V_(p) = A [(1- (1 + i) ^(- n))/(i)]$ . From where,

$V_(p) = 650 [(1- (1 + 0.045)^(-24))/(0.045)] = 9422.06$

The amount needed to finance this level of withdrawals is $ 9422.0609

Oliver read for 450 minutes this month. His goal is to read for 10% more minutes next month if oliver meets his goal how many minutes will he read in all during the two months