Mathematics, 01.04.2021 23:00 dbag1162
At midnight, the temperature in a city was 5 degrees Celsius. The temperature was dropping at a steady rate of 2 degrees Celsius per hour.
Write an inequality that represents t, the number of hours past midnight, when the temperature was colder than -4 degrees Celsius. Explain or show your reasoning.
2.
Tyler is simplifying the expression 6β2x+5+4x.
Here is his work:
6β2x+5+4x
(6β2)x+(5+4)x
4x+9x
13x
His work is incorrect. Explain the error he made.
3.
Simplify the expression 6β2x+5+4x. Hint: Your final expression shoul donly have two terms.
4.
Factor to write an equivalent expression:
36aβ16
5.
Expand to write an equivalent expression:
β14(β8x+12y)
6.Diego's family car holds 14 gallons of fuel. Each day the car uses 0.6 gallons of fuel. A warning light comes on when the remaining fuel is 1.5 gallons or less.
Starting from a full tank, can Diego's family drive the car for 14 days without the warning light come on?
Please help me thank you
Answers: 2
Mathematics, 21.06.2019 16:30
Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?
Answers: 1
Mathematics, 21.06.2019 18:20
Do social recommendations increase ad effectiveness? a study of online video viewers compared viewers who arrived at an advertising video for a particular brand by following a social media recommendation link to viewers who arrived at the same video by web browsing. data were collected on whether the viewer could correctly recall the brand being advertised after seeing the video. the results are given below.correctly recalled the brandarrival 409153browsing20484b. conduct the hypothesis test, using the 0.025 level of significance.what is the value of the test statistic? Ο2stat=what is the p-value? p-value=is this value significant atΞ±=0.025?
Answers: 2
Mathematics, 21.06.2019 19:00
Let hh represent the number of hummingbirds and ss represent the number of sunbirds that must pollinate the colony so it can survive until next year. 6h+4s > 746h+4s> 74 this year, 88 hummingbirds pollinated the colony. what is the least number of sunbirds that must pollinate the colony to ensure that it will survive until next year?
Answers: 1
Mathematics, 21.06.2019 21:00
If 30 lb of rice and 30 lb of potatoes cost ? $27.60? , and 20 lb of rice and 12 lb of potatoes cost ? $15.04? , how much will 10 lb of rice and 50 lb of potatoes? cost?
Answers: 1
At midnight, the temperature in a city was 5 degrees Celsius. The temperature was dropping at a stea...
Geography, 12.04.2021 19:20
Mathematics, 12.04.2021 19:20
Mathematics, 12.04.2021 19:20
Advanced Placement (AP), 12.04.2021 19:20
Mathematics, 12.04.2021 19:20
Mathematics, 12.04.2021 19:20
Mathematics, 12.04.2021 19:20
Mathematics, 12.04.2021 19:20
Business, 12.04.2021 19:20
Chemistry, 12.04.2021 19:20
Social Studies, 12.04.2021 19:20