HELP ME PLEASE!!!!! IM DYING WITH ALL THIS MATH HW

Mathematics

2 answers:

sashaice [31]2 years ago

7 0

Nxjdkdnc knockzjznsbdbxbzmzmmd xbxidnrnfu. Xizneshzudnd check x

trasher [3.6K]2 years ago

5 0

3x=129 , x =43 distribute 3 to get x by itself

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Evaluate 5a3 + 3b4 when a 4 and b= - 5

valkas [14]

5a^3 + 3b^4

insert the numbers into the equation.

5(4)^3 + 3(-5)^4

evaluate

5(64) + 3(625)

evaluate

320 + 1875

the solution is:

2195

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2 years ago

It costs $35 per hour to rent a boat at the lake. You also need to pay a $25 fee for safety equipment. You have $200. For how lo

Rama09 [41]

$200 - $25 = $175

175/35= 5

5 hours

3 0

3 years ago

Read 2 more answers

The city planning committee wants one tree planted every 20 ft along Dayton Ave. if the perimeter of the plot of land is 234 ft

Vladimir [108]

Answer:

2 trees

Step-by-step explanation:

Since the city is planting a tree every 20 feet across Dayton Avenue, then we need to find the length of the side that is on Dayton Avenue.

We are missing 3 sides to this. But it's extremely important to note that the side adjacent to Dayton Avenue is the same length as the other missing two sides combined. This is because both of these lengths contain the 1 feather and 2 feather mark - these signify congruence.

This means that the side lengths of both of them combined will be $234-52-68=114$

This means the side adjacent to Dayton Avenue is

$114\div2=57$ feet long.

Now that we know that the side is 57 feet long, we have to divide this by 20, as a tree is being placed every 20 feet. If we get a decimal, we will have to round down because it gets planted only, and only if, 20 more feet has been accomplished. If we are a fraction of the way there, a tree doesn't get planted.

$57\div20=2.85$