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Helen [10]
3 years ago
9

What is the value for the expression -5+ 5  

Mathematics
1 answer:
Effectus [21]3 years ago
3 0
The value of that expression is zero.
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What is the area of (10 times 8) (2x times 3x)
Phoenix [80]

Answer: 80 and 6x

Step-by-step explanation:

10 x 8 = 80

2x times 3x = 6x

3 0
3 years ago
Help me please on this please open the whole photo so you can see other problems ​
OlgaM077 [116]

Answer: 1. 57

               2. 43

              3.  20

             4.  32

             5.    16

Step-by-step explanation: am here to help

7 0
3 years ago
A ball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. The ball's height h (in feet) after t s
ella [17]

Answer:

t = 2.52 seconds

Step-by-step explanation:

h=139-15t-16t^2

We want to know when the ball hits the ground

That would be when h=0

0 = 139-15t-16t^2

We can use the quadratic formula to find t

t = -b ± sqrt(b^2-4ac)

       ----------------------

          2a

where a = -16   b = -15  and c = 139

t = -(-15) ± sqrt((-15)^2-4(-16)139)

       ----------------------

          2(-16)

t = (15) ± sqrt(225+8896)

       ----------------------

          -32

t = (15) ± sqrt(9121)

       ----------------------

          -32

t = 15+ sqrt(9121)                       t = 15- sqrt(9121)

     --------------------   or                    -------------------  

           -32                                               -32

        -3.453247707        or              2.515747707

Since time cannot be negative

 2.515747707

Round to the nearest hundredth

t = 2.52 seconds

6 0
3 years ago
I leave good reviews
Illusion [34]

Answer:

I am so not good at math at all

3 0
3 years ago
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ludmilkaskok [199]

The total money spent for the Dinner and Dessert is $22 so to figure out how much was spent on the taxi ride you're going to want to subtract $22 from $31 (31 = x + 22) or (31 - 22 = x).

6 0
3 years ago
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