Name the property shown. 4 + 0 = 4 1Commutative Property of Multiplication 2.Identity Property of Addition 3.Commutative Property of Addition 4.Associative Property of Addition

Answers

Answer 1

Answer:

That is Identity Property of Addition.

Identity Property is a property that states that the sum of any number and zero is always the number you added to zero. This is also the case for multiplication by instead of adding zero, you are multiplying by one.

Hope this helps!

Answer 2

Answer:

It is 2. Identity Property of Addition. The Identity Property of Zero, also called the Additive Identity Property, states that if you add 0 to any number, the result will be that number. ... Think about it: when you add or subtract zero from the number, it retains its identity...it doesn't change! It works for all real numbers (and on variables).

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X + x - 5 greater than equal to 33
Assume that the mean hourly cost to operate a commercial airplane follows the normal distribution with a mean of $2,175 per hour and a standard deviation of $245.What is the operating cost for the lowest 4 percent of the airplanes? (Round z value to 2 decimal places. Omit the "$" sign in your response.)

If you work 8 hours per day, how long would it take you to build 10 doghouses?

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The question is asking to state the duration that would it take you to build 10 doghouse if you work 8 hours per day, base on my research and further analysis, I would say that the answer would be 60 hours, because 6 hours is one dog house. I hope you are satisfied with my answer and feel free to ask for more

Elena buys several shares of stock at $28 per share and sells them at $24.50 per share. what is the percent of decrease in the price of stock

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4:50? I have no idea though

What is 2 1/4 inches + 5 3/4 inches + 8 1/2 inches equals

Answers

2 1/4 inches + 5 3/4 inches + 8 1/2 inches:

First, to start solving this problem, we will have to add the whole numbers first. The whole numbers are the...whole numbers in front of the fraction. In this case, the whole numbers would be 2, 5, and 8. So, we have to add those three numbers up (2 + 5 + 8) to get the answer which is 15.
$15 + (1)/(4) + (3)/(4) + (1)/(2)$

Second, now we have to find the least common denominator (LCD) of the three denominators. The denominators are the bottom number of the fraction. This case the denominators would be 4, 4, and 2.To find the LCD, we will have to list the multiples of each denominator and find the first common one.

Multiples of 4: 4
Multiples of 4: 4
Multiples of 2: 2, 4

Since 4 appears in the multiples of each denominator, 4 is our LCD.

Third, since only one fraction needs their denominator changed (the other two fractions already carry the denominator of 4), we have to multiple each number by whatever gets us 4. Remember, whatever you do to the bottom, do to the top.
$15 + (1)/(4) + (3)/(4) + (1*2)/(2*2) = 15 + (1)/(4) + (3)/(4) + (2)/(4)$

Fourth, since all of our denominators are the same, we can now combine our numerators (join the denominators) and add them all up.
$15 + (1+3+2)/(4) = 15 + (6)/(4)$

Fifth, we now need to convert 6/4 into a mixed fraction. To find the mixed fraction form of 6/4, we will need to divide the denominator (4) by the numerator (6) and then write any remainder above the denominator.

Mixed fraction: $15 + 1 (2)/(4) = 16 (2)/(4)$

Sixth, we can simplify 2/4 down some more. To do so, we need to find the greatest common factor of the numerator and denominator, then divide the GCF by them. To find the GCF, we list all of the factors of them and find the first common one.

Factors of 2: 1, 2
Factors of 4: 1, 2, 4

The GCF is 4.

Seventh, we can now divide both our numerator and denominator by our recently found GCF which was 2.
$2 / 2 = 1 \n 4 / 2 = 2$

Answer in fraction form: $\fbox {16 1/2 inches}$
Answer in decimal form: $\fbox {16.5 inches}$

2.25 + 5.75 + 8.5 = 16.5 inches or 1.375 feet.

Why is the answer A? Plz explain.

Answers

$\bf f(x)=\cfrac{1}{2}x+a\n\n-------------------------------\n\n\stackrel{x=a}{f(a)}=\cfrac{1}{2}(a)+a\implies 3=\cfrac{1}{2}(a)+a\implies 3=\cfrac{a}{2}+a\implies 3=\cfrac{a+2a}{2}\n\n\n6=a+2a\implies 6=3a\implies \cfrac{6}{3}=a\implies \boxed{2=a}\n\n-------------------------------\n\nf(8)=\cfrac{1}{2}(\stackrel{x}{8})+(\stackrel{a}{2})\implies f(8)=\cfrac{8}{2}+2\implies f(8)=6$

In a right triangle, if the length of the hypotenuse is 39 and the length of one of the other sides is 15, what is the length of the third side?

Answers

Answer:

either way the answer is be =36 so the length of the missing side is 36 CM.

Soccer balls go on sale for $7.50 each. The store also sells footballs and the manager wants to earn a daily profit of $400 from both items. The equation y=-4x^2+80x-150 models the store’s daily profit, y, for selling footballs at x dollars. Explain how to find the price per football needed to meet the goal.

Answers

Answer:

The price for footballs is $5.46 and $14.54.

Step-by-step explanation:

Using the information that we have about the soccer ball prices, we can find out their daily profit to see how much the footballs daily profit should be. Plugging in 7.50 into the equation, we get 232.5 as their daily profit. To find what the footballs daily profit should be, we must minus 232.5 from 400. This ends up with 167.5

Now to find the price of the footballs, we must plug 167.5 into the equation and use the quadratic formula to find the prices.

Hope this helps : )

Answer:

At $7.50 per soccer ball, they earn a daily profit of $232.50.

The store needs to earn a daily profit of $400 – $232.50 = $167.50 from footballs.

Solve 167.50 = –4x2 + 80x – 150 to find the price for footballs: x = $5.46 and $14.54.

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