Write an expression that represents the height of a tree that begins at 2 feet and increases by 4 feet per year. Let y represent the number of years. PLEASE HELP ME

Answers

Answer 1

Answer: Answer:
2+4y

Explanation:
The height of the tree increases by 4 feet per year, so we know to multiply 4 by the number of years to find its height. The initial height of the tree is 2, so we add 2 to 4y.

Example: The height of the tree in 6 years
2+4y
2+4*6
=2+24
=26

I hope this helps!

Answer 2

Answer:

Answer:

2+4y

Step-by-step explanation:

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a machine takes 5.4 hours to make 9 parts. At that rate how many parts can the machine make in 25.8 hours

Answers

There are many ways to find the answer. One of them is to find how long does it take to make one part and then divide 25.8 by the result:

5.4 ÷ 9 = 0.6 (that's how long does it take to make one part)
25.8 ÷ 0.6 = 43 (that's how many parts can be made in 25.8 hours)

Help pls. it’s from khan academy

Answers

ANSWER: 7/6

step 1: Simplify both sides of the equation.
step 2:Subtract 2/3 from both sides.
step 3: Multiply both sides by 7/(-1).

James works as a waiter. He served meals with bills of $23.59, $40.65, $30.50, and $15.68. If his total for tips was $17.67, what percent tip did he receive for serving these meals? Round your answer to the nearest percent?

Answers

Total tips: $17.67

Total meals: 23.50 + 40.65 + 30.50 + 15.68 = $110.42

Percentage = $(total.tips)/(total.meals) = (17.65)/(110.42) = 0.159844...=$ about 16%

Final answer:

James received an average tip of 16% for the meals he served, calculated by dividing his total tips by his total bill amount and multiplying by 100.

Explanation:

To solve this problem, we first need to find the total amount of bills that James served, which is $23.59 + $40.65 + $30.50 + $15.68 = $110.42. James received a total of $17.67 in tips. The percentage of tips James received can be calculated by dividing the total amount of tips by the total amount of bills he served and then multiplying that result by 100 to get the percentage. So, the calculation would look like this:

($17.67 / $110.42) × 100 = 16.01%

Rounding to the nearest percent, James received an average of 16% tip for serving these meals.

Learn more about Percentage Calculation here:

brainly.com/question/32197511

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An angle measures 52° less than the measure of its supplementary angle. What is the measure of each angle?

Answers

Answer:

64º and 116º

Step-by-step explanation:

x + (x - 52) = 1080

2x - 52 = 180

2x = 232

x = 116º

x - 52 = 64º

Sarah is twice as old as her youngest brother if the difference between their ages is 15 years how old is her youngest brother

Answers

s=sarah age
b=brother age
s= 2 times b
s=2b

if difference beteeen ages is 15
sarah is older so
s-b=15

we now have
s=2b
s-b=15

since s=2b
sub 2b for s in othe equaiton
2b-b=15
b=15
wow, that's easy

brother is 15 years old

2x - x = 15
x = 15 yr, age of the youngest brother

Elmer has a collection of 300 fossils. Of these, 21 percent are fossilized snail shells.

Answers

In order to figure out the number of fossilized snail shell, multiply 21% by 300. first change 21% into a decimal, in order to do that, move the percent symbol two spaces to the left, and replace the "%" symbol to a decimal. 0.21 X 300= 63
so 21% of 300 is 63

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