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Galina-37 [17]
3 years ago
5

According to the order of operation, which two operations are performed first? Is it adding, dividing, subtraction, or multiplic

ation ?
Mathematics
1 answer:
Setler [38]3 years ago
8 0

Answer:

Mult. and div.

Step-by-step explanation:

Four operations are listed here.  Mult. and div. must be performed first, followed by addition and subtraction.

Order of operations rules are actually more general than this.  Anything (expressions) inside parentheses must be evaluated before other operations take place.  Next come exponential functions, which are evaluated before mult. and div.

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11. This is counting only odd numbers, or counting by two starting with one.

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3 years ago
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HELP PLEASE ! find the area of the shape below
White raven [17]

Answer:

area = 202.5 yd²

Step-by-step explanation:

area = (15 x 12 ) + (3)(15)(0.5)

area = 180 + 22.5 = 202.5 yd²

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3 years ago
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A.) Find h(g(x)) if<br> h(x)= 2x+9<br> and<br> g(x) = 4*
goblinko [34]

Answer:

h(4)=17

Step-by-step explanation:

h(g(x)), h(x)= 2x+9; g(x)=4

2(4)+9= 8+9=17

3 0
2 years ago
Read the instructions
nordsb [41]

Answer:

Step-by-step explanation:

\frac{5x - 2}{4}+\frac{1}{2}=\frac{3y+2}{2}

Multiply the equation by 4

4*\frac{5x - 2}{4}+4*\frac{1}{2}=4*\frac{3y+2}{2}\\

5x - 2 + 2 = 2*(3y + 2)

5x +0 = 2*3y + 2*2

5x = 6y + 4

5x - 6y = 4 --------------------(I)

\frac{7y+3}{3}=\frac{x}{2}+\frac{7}{3}\\

Multiply the equation by 6

6*\frac{7y+3}{3}=6*\frac{x}{2}+6*\frac{7}{3}\\

2*(7y + 3) = 3x + 2*7

14y + 6 = 3x + 14

14y = 3x + 14 - 6

14y = 3x + 8

-3x + 14y = 8 ------------------------(II)

Multiply equation (I) by 3 and equation (II) by 5 and then add

(I)*3              15x - 18y = 12

(II)*5           <u>-15x  + 70y = 40</u>     {Now add}

                          52y = 52

                              y = 52/52

                            y = 1

Substitute y =1 in equation (I)

5x - 6*1 =  4

5x - 6 = 4

      5x = 4 +6

      5x = 10

         x = 10/5

x = 2

7 0
3 years ago
A university will add fruit juice vending machines to its classroom buildings if the student body president is convinced that mo
Artemon [7]

Answer:

E) The sample size is n = 1,000, and 50 percent of all students use the vending machines.

Step-by-step explanation:

CollegeBoard

5 0
3 years ago
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