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Katarina [22]
3 years ago
15

Evaluate 6 - 2(-1) + | -5 | =

Mathematics
1 answer:
tester [92]3 years ago
8 0

Answer:

  13

Step-by-step explanation:

The product of two negative numbers is positive. The absolute value of a number is its magnitude written with a positive sign.

  6 -2(-1) +|-5|

  = 6 + 2 + 5

  = 13

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Put the following in order from smallest to largest 1/4, 0.29,23%,1/5,0.027​
kow [346]

Answer:

0.027​,1/5,23%,1/4, 0.29

Step-by-step explanation:

Please mark brainliest and have a great day!

7 0
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:

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

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
Factor -8x^3-2x^2-12x-3
Naya [18.7K]

Answer:

64

Step-by-step explanation:

so first you do 8 times 3 is 24 and you do 2 times 2 is 4 and 12 times 36 and add the 24  4 and 36 which gives 64

5 0
3 years ago
Original amount:60 end amount:70.02
denpristay [2]

Answer:

im not sure what your asking, but the amount increased by 10.02, if that helps!

Step-by-step explanation:

moo!

6 0
3 years ago
Help here is the question
goblinko [34]
Your marked down price would be $562.02. I included a picture of how I got that, but I'll try to explain it as well. 0.87 in a percentage is 87% (I know this because in order to get a percentage you multiply 0.87 by 100 and get 87%). Once I did that I set up a ratio where I made 100% and $646.00 equal to each other because that is the original price. And I made 87% equal to nothing or if you want to you can put x there. I then cross multiplied 87 and 646 which gave me 56202, and then divided that number by 100 which gave me my answer of $562.02, which is 87% of your original price.  

4 0
3 years ago
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