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JulijaS [17]
4 years ago
10

4(2 - 2 + y)= Sorry im bad at math

Mathematics
2 answers:
podryga [215]4 years ago
5 0

Answer:

y = 4

Step-by-step explanation:

Use the distributive property to multiply all terms in the parentheses by 4

You will get (8 - 8  + 4y) = 0

Then, 4y = 0

Divide each side by 4 to get

y = 4

Vikentia [17]4 years ago
5 0

Step-by-step explanation:

open the brackets

8 -8+4y= 4y

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The answer is $19,360 because we multiply the annual interest rate of 6% or .06 by 3.5 years and we get a total interest of .21.  The answer is found by performing $16,000 times 1.21 and we get $19,360.  

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4. Which is equivalent to 2x3 - 3x2 + 7 = X-3
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Step-by-step explanation:

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2 years ago
What are the 5 levels of organization in an ecosystem? Please put them in order from level 1 to level 5.
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3 years ago
A skydiver drops her watch as she jumps out of a plane flying at an altitude of 6,400 feet. If the equation for height as a func
fomenos

Answer:

To hit the ground, it will take the watch:

  • <u>20 seconds</u>.

Step-by-step explanation:

Making use of the provided equation:

  • <u>h (t) = - 16t ^ 2 + initial height </u>

Which can be modified specifically for this case:

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Time must be replaced a certain number of times until the value is zero, this can be done one by one, but since it would be too many iterations I will show you some examples and what you could deduce in each case.

<em>With t = 1 second: </em>

  • h (1) = - 16 (1) ^ 2 + 6400 feet = 6384 feet (only the watch has dropped 16 feet)

<em>With t = 7 seconds: </em>

  • h (7) = - 16 (7) ^ 2 + 6400 feet = 5616 feet (has fallen 784 feet)

<em>With h = 15 seconds: </em>

  • h (15) = - 16 (15) ^ 2 + 6400 ft = 2800 feet (3600 ft has fallen, it is not long)

<em>With h = 21 seconds: </em>

  • h (21) = - 16 (21) ^ 2 + 6400 feet = -656 feet (When obtaining a negative number, it is understood that the time was too long, therefore a shorter time must be taken)

<em>With h = 20 seconds: </em>

  • <u>h (20) = - 16 (20) ^ 2 + 6400 feet = 0 feet </u>

<u>Since with 20 seconds the exact value of zero is obtained, this time is the exact time it would take the watch to fall to the ground</u>, since when this time is reached the height (h) will be zero, that is, at ground level .

5 0
3 years ago
A developer bought 78 trees at a total cost of $4050. The shade trees cost $45 each and the evergreens cost $60 each. How many o
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Answer:

Step-by-step explanation:

for 5 feet is $60

2 feet is $150.

sorry if this doesn't help!

6 0
3 years ago
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