PLEASE HELP ME Mathmath

Answers

Answer 1

Answer:

Answer:

871 and 1/2 feet is correct

Step-by-step explanation:

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We loveeeeeee the earth it is our planet

PLSSSSSSSSSSSSSSSSSSSSSSSSSSSSS HELP MEAsh cannot decide which of two washing machines to buy. The selling price of each is $360. The first is marked down by 30%. The second is marked down by 10% with an additional 20% off. Find the sale price of each washing machine. Use pencil and paper. Explain why ash should buy the first washing machine rather than the second if the machines are the same except for the selling price.

Answers

Answer:

The answer is the first one.

Step-by-step explanation:

Okay, so the first one is solved like this:

You do 360*30%. 30% is 0.3 in decimal form. So 360*0.3=108. 108 is the amount that is discounted, NOT the price. You have to do 360-108, which is 252. The discounted price is $252.

Now the second one is solved like this:

You do 360*10% FIRST because the problem says it was marked 10% BEFORE the 20%. 10%=0.1, so 360*0.1=36. You subtract 360-36, which is 324. Then, you multiply 324 by 20% or 0.2, to get 64.8, which is the discount of 20%. You subtract 324-64.8, which is $259.20. So the first one is the answer because it is cheaper since 252 is less than 259.20. If you need this explanation, don't use this word for word. Summarize this in YOUR own words!

He should by the first washing machine because it cost less than the second washing machine.

How many solutions does the equation 4y - 4y - 12 = 14 -2 have?O One
Zero
OTwo
O Many

Answers

Answer:

Zero solutions

The sides are not equal

Step-by-step explanation:

$4y - 4y - 12 = 14 -2\n\n\mathrm{Add\:similar\:elements:}\:4y-4y=0\n-12=14-2\n\n\mathrm{Subtract\:the\:numbers:}\:14-2=12\n-12=12\n\n\mathrm{The\:sides\:are\:not\:equal}\n\mathrm{No\:Solution}$

Three times a number is less than 96.

Answers

Answer:

x is greater than sign then 32

Step-by-step explanation:

(Giving brainliest!!)Terrance packs two boxes inside a crate. The total weight of the crate and two boxes is 98.45 pounds. One box weighs 32.8 pounds, and the other box weighs 39.34 pounds. How much does the crate weigh?

A) 72.14 pounds
B) 59.11 pounds
D) 26.31 pounds

Answers

If the total weight of the crate and two boxes is 98.45 pounds and one box weighs 32.8 pounds, and the other box weighs 39.34 pound, the weight of the crate is D) 26.31 pounds.

How the weight of the crate is determined:

The weight of the crate can be determined by addition and subtraction.

Addition and subtraction involves the two of the four basic mathematical operations, including division and multiplication.

The total weight of the crate and two boxes = 98.45 pounds

The weight of one box = 32.8 pounds

The weight of the second box = 39.34 pounds

The total weight of the boxes = 72.14 pounds (32.8 + 39.34)

The weight of the crate = 26.31 pounds (98.45 - 72.14)

Learn more about addition and subtraction at brainly.com/question/4721701.

#SPJ3

Answer:

the crate weighs 26.31

Step-by-step explanation:

add 32.8 and 39.34 together and then subtract 98.45 from the sum. ^^

Step-by-step explanation:

Use the value of the linear correlation coefficient r to find the percentage of the total variation that can be explained by the linear relationship between the two variables. r = 0.234 (Your answer should be a percent rounded to two decimal places as needed.)

Answers

Answer:

5.47% of the total variation between the two variables can be explained by the regression line.

Step-by-step explanation:

Given :

R value = 0.234

The R value is the correlation Coefficient ; which gives the type and level of correlation between two variables.

However, to Obtian the percentage variation which can be explained by by the regression line, we have to obtain the Coefficient of determination, R².

R² value is Obtained by taking the squared of the correlation Coefficient

Hence,

R² = 0.234² = 0.054756

R² = 0.05476 * 100% = 5.4756%

Hence, R² = 5.48%

This is interpreted as ; 5.47% of the total variation between the two variables can be explained by the regression line.

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482 – 412 + 286 - 12 x 204solve

People tend to evaluate the quality of their lives relative to others around them (Frieswijk et al., 2004). In one study, researchers conducted interviews with n = 9 frail elderly people. During the interview, each person was compared with a fictitious person who was worse off than the elderly person. The scores below are the measures from a life-satisfaction scale for the elderly sample. Assume that the average score on this scale in the population is u = 20. Are the data sufficient to conclude that the elderly people in this sample are either significantly more or less satisfied than others in the general population? The life-satisfaction scores for the sample are 18, 23, 24, 22, 19, 27, 23, 26, 25. a. Which kind of t-test should you use? b. How many tails should the test have? Circle a word or phrase in the problem that told you this. c. State the null and alternative hypotheses in statistical notation: d. Determine the critical t using an alpha = .05. Sketch the null distribution, note the location of the critical t, and shade the critical region. e. Calculate the t-statistic and plot it on the sketch you drew above. f. Make a decision (either reject the null or fail to reject it)

In a random sample of 500 college students, 23% say that they read or watch the news every day. Develop a 90% confidence interval for the proportion of all students who read or watch the news on a daily basis. Interpret your results. If you wanted to develop a 95% confidence interval with a margin of error of .01, how many students would need to be surveyed?