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3 years ago

True or False? The Length of time on the desk is a function of the temperature of the coffee

Mathematics

1 answer:

Andreyy893 years ago

4 0

Should be true. The coffee would not stay the same temperature as it was originally than it would over time.

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In a contest to guess the number of jelly beans in a jar, Alice guessed 25;Betty, 18;Clare,23;Dotty,19;Edith,24;and Fran,17. Two

vampirchik [111]

Answer:

<em>There are 21 jelly beans in the jar.</em>

Step-by-step explanation:

Suppose, the number of jelly beans in the jar is $x$

Two were off by 2, two were off by 3, two were off by 4. That means, the six guessed number will be: $(x+2), (x-2), (x+3), (x-3), (x+4), (x-4)$

Given that, Alice guessed 25; Betty, 18; Clare, 23; Dotty, 19; Edith, 24; and Fran, 17.

So, the sum of all six guessed number will be: $25+18+23+19+24+17=126$

Thus, the equation will be..........

$(x+2)+(x-2)+(x+3)+(x-3)+(x+4)+(x-4)= 126\\ \\ 6x= 126\\ \\ x=\frac{126}{6}=21$

So, the number of jelly beans in the jar is 21.

5 0

2 years ago

1.86÷2=1, point, 86, divided by, 2, equals

Tcecarenko [31]

<h2>Question;</h2><h2> 86÷2=1</h2><h2>Answer;</h2><h2>86÷2=43</h2><h2> </h2>

<h2>Hope it helps brainliest and liked my answer please</h2>

4 0

2 years ago

25 POINTS!! PRE-ALGEBRA MATH! PLEASE HURRY! I WILL GIVE BRAINLIEST!

yan [13]

Answer: We are using a line regression tool to solve the parameters asked in the problem. We can use online tools or that of Excel. According to the tool, the best fit values are

Slope0.3848 ± 0.03956

Y-intercept0.6053 ± 0.6370

X-intercept-1.573

1/Slope2.598

Step-by-step explanation: Best fit lines make sure that the standard deviation at each point is minimum from the best fit line.

3 0

2 years ago

Read 2 more answers

Solve for x <br> 7x-0.15=2x+0.6<br> Explain

11111nata11111 [884]

If you subtract 2x from each side you get 5x-0.15=0.6 because the subtraction of 2x on the right of the equal sign cancels out. Then, if you add 0.15 to both sides you will get 5x=0.75. Finally, if you divide both sides by 5 you get x = 0.15.

8 0

3 years ago

mrs. Dimas has $130 to buy basketballs for Edison Middle School. How many can she buy at $15 each? Intrepret your remainder.

evablogger [386]

She can buy 8 because 130/15=8.666666667, we round down cause she cannot buy 9, she can only buy 8.

5 0

3 years ago