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jekas [21]
3 years ago
7

Please Help ASAP!!! Its My Pre Algebra Exam!

Mathematics
1 answer:
const2013 [10]3 years ago
6 0

Answer:

The brainly terms of service states that you can not use Brainly for tests or exams. Please do not do this.

Step-by-step explanation:

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Find the sum of – 52 , -36 , 42, 8 ,-22 and 46
vampirchik [111]
-52-36-22+46+42+8 = -18
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3 years ago
Pls help me!asap and have a good day tysm......
mash [69]

Answer:

Simplified: C/2 -4

Step-by-step explanation:

the "/" means fraction

6 0
3 years ago
At noon, ship a is 30 nautical miles due west of ship
Dmitry_Shevchenko [17]
Let the origin of the coordinate system be the position of ship B at noon. Then the distance between the ships as a function of t (in hours) is
.. d = √((30 +23t)² +(17t)²)
.. = √(818t² +1380t +900)

The rate of change of distance with respect to time is
.. d' = (1/2)(2*818*t +1380)/√(818t² +1380t +900)
.. = (818t +690)/√(818t² +1380t +900)

At t=4, this is
.. d' = (818*4 +690)/√(818*16 +1380*4 +900)
.. = 3962/√19508
.. ≈ 28.37 . . . . . knots

The distance between the ships is increasing at about 28.37 knots at 4 pm.

8 0
3 years ago
PLEASE HELP ASAP!!!!! What is the ratio of the volumes of a cylinder and a cone have the same base radius and height? Explain. P
Sindrei [870]
The ratio of the volume of cylinder and cone is 3:1
Because the volume of:
Cylinder = The area of base x height
Cone     = 1/3 The area of base x height
8 0
3 years ago
Keiko is mixing 4 cups of concrete to make a stepping stone. She needs 1.5 cups of sand and 2.5 cups of cement mix. Which statem
Charra [1.4K]
Ur answer would be B.. Hope it helps let me know if its right or not!
8 0
3 years ago
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