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postnew [5]
3 years ago
6

Type the correct answer in the box. Use numerals instead of words. Use the order of operations to evaluate this expression: 7 +

(5 – 9)2 + 3(16 ÷ 8).
Mathematics
2 answers:
faust18 [17]3 years ago
6 0

Answer:

5

Step-by-step explanation:

We use PEMDAS to evaluate this expression. We start with the parentheses (P). This gives us:

7+(-4)2 + 3(2)

We then do multiplication, as there are no exponents.

7+ (-8) + 6

-1 plus six is 5.

The answer is 5

kherson [118]3 years ago
5 0

Answer:

5

Step-by-step explanation:

We use PEMDAS to evaluate this expression. We start with the parentheses (P). This gives us:

7+(-4)2 + 3(2)

We then do multiplication, as there are no exponents.

7+ (-8) + 6

-1 plus six is 5.

The answer is 5

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X=-x^2+x-5

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What is the best description of the acceleration of an object?
shtirl [24]

Answer:

A car's velocity changes from 25 m/s to 20 m/s in 5 seconds.

Step-by-step explanation:

By definition, Acceleration is the rate of change of Velocity of an object.

I.e it is the( final velocity minus initial velocity ) ÷  by the time it took for the velocity to change.

If we observe the choices only one choice gives us all 3 components (final velocity, initial velocity, time taken for velocity to change), which is :

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3 years ago
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Marina CMI [18]

Answer:

The maximum profit of $  10277.32____ can be made when the selling price of the dog food is set to $ _34___ per bag.

Step-by-step explanation:

Profit = Revenue - Cost

P(x) = R(x) -C(x)

       = -31.72x^2 + 2,030x -( -126.96x + 26,391)

Distribute the minus sign

       = -31.72x^2 + 2,030x+126.96x - 26,391

 Combine like terms

      =   -31.72 x^2 + 2156.96 x - 26391

This is a parabola.  It is facing downwards.  The maximum profits is at the vertex ( where the max is)

vertex = h = -b/2a = -(2156.96)/(2*-31.72) = -2156.96/-63.44=34

Evaluate P(x) at x=34 to determine the profit

P(34) =  -31.72 (34)^2 + 2156.96 (34) - 26391

          -36668.32+73336.64-26391

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8 0
3 years ago
Read 2 more answers
The table shows differences in political ideology, by education, for a random sample of voters. Use the data to solve the proble
Nady [450]

Answer:

9/33

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find the total of people that have attended college (9+12+12 =33)

now go to the number of people that are both college and conservative (9)

6 0
2 years ago
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