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olga55 [171]
3 years ago
10

Evaluate the expression. 24 ÷ 2 - 6 + 8 ÷ 2

Mathematics
2 answers:
arlik [135]3 years ago
6 0
The answer of this expression is 10
vovangra [49]3 years ago
5 0
24 / 2 = 12
8/2=4
12-6= 6
6+4= 10

Final answer is 10
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12/21 in its simplest form
UNO [17]
12/21 in its simplest form is 4/7.

To find this out we need to divide the numerator and denominator by the GCF of 12 and 21 which is 3.

12/21

12 ÷ 3 = 4
21 ÷ 3 = 7
4/7

12/21 in its simplest form is 4/7.

12/21 = 4/7
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3 years ago
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a toy rocket is launched from the top of a 48 foot hill. The rockets initial upward velocity is 32 feet per second and its heigh
sdas [7]

Answer:

t = 2.11 seconds

Step-by-step explanation:

A toy rocket is launched from the top of a 48 foot hill. The rockets initial upward velocity is 32 feet per second and its height h at any given second t is modeled by the equation:

h=-16t^2+32t+48

Let us assume that we need to find the time by it to reach the ground. It means h = 0

-16t^2+32t+48=0

The above is a quadratic equation. The value of t is given by :

t=\dfrac{-b\pm \sqrt{b^2-2ac} }{2a}\\\\t=\dfrac{-b+ \sqrt{b^2-2ac} }{2a},\dfrac{-b- \sqrt{b^2-2ac} }{2a}\\\\t=\dfrac{-32+ \sqrt{(32)^2-2\times (-16)(8)} }{2\times (-16)},\dfrac{-32-\sqrt{(32)^{2}-2\times(-16)(8)}}{2\times(-16)}\\\\t=-0.11\ s, 2.11\ s

So, it will take 2.11 seconds to reach the ground.

6 0
3 years ago
Choose the graph that represents the equation y = –|x – 1|.
andrew11 [14]
The second photo is the correct graph.

4 0
3 years ago
A salesperson earns a flat monthly salary, plus a percentage of the items sold. Which of the following functions could model the
Sergeu [11.5K]
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In that function 1200 represents the flat monthly salary, x is the value of the items sold and 0.06 means that teh percentage is 6%.
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3 years ago
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