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zubka84 [21]
3 years ago
5

What is the value of the expression 3\cdot2+2^33⋅2+2 3

Mathematics
1 answer:
Zielflug [23.3K]3 years ago
4 0

Answer:

<h2>14</h2>

Step-by-step explanation:

Given the expression 3.2 + 2^3, we are to simplify and find the value of the expression.

Note that the dot means multiplication. The equation then becomes;

= 3*2 + 2^3\\\\= (3*2) + (2*2*2)\\\\= 6 + (4*2)\\\\= 6 + 8\\\\= 14

<em>Hence the value of the expression is 14</em>

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Nimfa-mama [501]

Answer:

  • A. 12x; 5x + 14

Step-by-step explanation:

<u>Perimeter is:</u>

  • P = a + b + c
  • P = 4x - 3 + x + 9 + 8 = 5x + 14

<u>Area is:</u>

  • A = 1/2bh
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Correct choice is A

4 0
2 years ago
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A dairy sells $3 and $5 ice creams. In one day they sell 50 ice creams earning a total of $180. How many of each type of ice cre
murzikaleks [220]
We are going to make simultaneous equations.
x will be our $3 ice cream and y will be our $5 ice cream

Equation1 ----            x + y = 50   (the sum of all the ice creams they sell)
Equation 2 ----          3x + 5y = 180  Sum of all the $3 and $5 ice creams is $180
Since we can't solve for both variables we will put one of the variables in terms of the other.
Take x+y=50 and subtract y from both sides.  (I could have done subtracted x - it did not matter).       Now we have x= ₋ y +50  (negative y +50)
Now I am going to take equation 2 and replace the x with -y +50

3 (-y +50) + 5y = 180   
Now I will use the distributive law on the 3 and what's in the parentheses:
-3y + 150 + 5y = 180
Now I will combine like terms (the -3y and the 5y)
2y + 150 = 180
Now subtract 150 from both sides of the equation
2y = 30
Divide both sides by 2
and get y= 15 They sold 15 ice creams that cost $5 each
Since equation 1  is  x+y=50 we can replace y with 15
x + 15 = 50    Now subtract 15 from both sides  x = 35
Since x represents the $3 ice creams, they sold 35 of those.
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3 years ago
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Answer:

see explanation

Step-by-step explanation:

In any circle the ratio of the arc length to the circumference of the circle is equal to the degree measure of the arc to 360°

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3 years ago
What is the x-intercept of the equation -7x+3y=21
mezya [45]
Hello!!

Well, the x-intercept is found when y = 0, so plug in y = 0:

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Therefore, the x-intercept of -7x + 3y = 21 is -3.

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Answer:

Yea

Step-by-step explanation:

Iphone:

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