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2 years ago

Please answer.

Mathematics

1 answer:

Setler [38]2 years ago

4 0

Answer:

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Using the order of operations, what should be done first to evaluate (-2)^3 + 4 / (-15 + 9)(3) - 4

kogti [31]

Answer:

A. add -15 and 9

Step-by-step explanation:

We follow the PEMDAS rule as the order of operations to evaluate expressions.

P-Parenthesis

E-Exponents

M-Multiplication

D-Division

A-Addition

S-Subtraction

Given expression : $(-2)^3+4\div(-15+9)(3)-4$

In order to evaluate the expression, the first step would be to do the parenthesis operations which requires to add -15 and 9.

7 0

3 years ago

Read 2 more answers

Let x represent the number of cars produced in a factory in a typical week. The company is planning to manufacture cars. The fix

irga5000 [103]

Answer:

$59,000

Step-by-step explanation:

doing $15,000 + $55,000 and you will get $59,000 you know I know how I know because you at you at and then you subtract $1,000 getting on my last nerve and you would get $59,000

6 0

2 years ago

a 5-liter cleaning solution contains 30% bleach. a 3-liter cleaning solution contains 50% bleach. what percent of bleach obtaine

vladimir1956 [14]

Answer:

First find the 30% of 5-liter cleaning solution.

3/10*5L=1.5L

We know 50% of 3L is 1.5.

If we add, the two bleach percentages, we get 3L of bleach.

When we add the two containers of cleaning solution, we get 8L.

The percentage of bleach in the mixture will be the ratio 3/8 expressed as a %.

3/8*100=37.5% of the cleaning solution will be bleach.

Answer: 37.5%

4 0

2 years ago

-14(3a+6)=12(6-4a)+12 and steps please

Sunny_sXe [5.5K]

Answer:

In the given equation -14(3a+6)=12(6-4a)+12 the value of a is 28

Step-by-step explanation:

Given equation is -14(3a+6)=12(6-4a)+12

To simplify the given equation:

-14(3a+6)=12(6-4a)+12

Taking all terms to one side

-14(3a+6)-12(6-4a)-12=0

-[14(3a+6)+12(6-4a)+12]=0

Now dividing by negative sign on the above equation we get

14(3a+6)+12(6-4a)+12=0 (using distributive property)

42a+84+72-48a+12=0 ( adding the like terms )

-6a+168=0

-6a=-168

6a=168

$a=\frac{168}{6}$

Therefore a=28

Therefore in the given equation -14(3a+6)=12(6-4a)+12 the value of a is 28

8 0

2 years ago

64000 / blank equals 800

Irina18 [472]

Answer:

= 80

Step-by-step explanation:

64000/80 = 80

3 0

2 years ago

Read 2 more answers