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yulyashka [42]
3 years ago
12

Plz help ill mark u brainliest

Mathematics
1 answer:
egoroff_w [7]3 years ago
5 0

Answer:

<em>Part A:  3,</em>

<em>Part B:  - 4</em>

Step-by-step explanation:

<em>~ Part A ~ </em>

The problem would be in terms of such an expression: ( - 6 - ( - 3 )^2 )/ -5

Now knowing the expression, let us simplify in terms of basic algebra:

( -6 - 9 )/ -5 = ( - 15/ - 5 ) = <em>Answer; 3</em>

<em>~ Part B ~ </em>

We know the problem to be p^2/ r, but we must substitute the value of p being -10, and r ⇒ -25: ( - 10 )^2/ -25

Now let us simplify the expressions:

( - 10 )^2/ -25 = 100/ - 25 =<em> Answer; -4</em>

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Which has the same difference as 12-6
Mrac [35]
12 - 6 = 6
18 - 12 = 6
24 - 18 = 6 
30 - 24 = 6 
and there can be many numbers that has same difference as 12-6 .....

Hope it helps !!!
6 0
3 years ago
Please help, i have no idea how to do this
notsponge [240]

Answer:

  8 square units

Step-by-step explanation:

The figure is a trapezoid. The area of it is given by the formula ...

  A = (1/2)(b1 +b2)h

where b1 and b2 are the lengths of the parallel bases and h is the distance between them.

Your figure shows the base lengths to be 5 and 3, and their separation to be 2. Filling the numbers in the formula, we have ...

  A = (1/2)(5 +3)(2) = (1/2)(8)(2) = 4·2 = 8

The area of the figure is 8 square units.

_____

The right-pointing arrows on the horizontal lines identify those lines as being parallel. The right-angle indicator and the 2 next to the dotted line indicate the perpendicular distance between the parallel lines is 2 units.

4 0
3 years ago
The merry-go-round at the fair rotates 12 times each minute, and children are 15 feet from the center of the wheel when they are
LiRa [457]
Answer: 16.33 feet/s

Explanation:

1) Data:

a) circular motion
b) revolutions: 12 rpm
c) r = 15 feet
d) v = ?

2) Formulae:

angular velocity: ω = number of rpm × 2π / 60 seconds

linear velocity: v = ω × r

3) Solution:

ω = 12 × 2π / 60 s = 0.4π rad / s

v = 0.4π rad / s × 13 feet = 5,2 π feet / s ≈ 5,2 (3.14159) feet / s = 16.33 feet/s.

That is the answer.
4 0
3 years ago
Read 2 more answers
Alain throws a stone off a bridge into a river below.
harkovskaia [24]

the answer is 3 seconds

6 0
3 years ago
Solve for b. (g+l)b=n
denis23 [38]

Answer:

         n

b = ---------

      (g+l)

Step-by-step explanation:

We need to isolate b.  Starting from (g+l)b=n, we divide both sides by (g+l), obtaining

         n

b = ---------

      (g+l)

7 0
4 years ago
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