Which numbers has a sum of zero

Mathematics

2 answers:

zubka84 [21]3 years ago

6 0

Answer:

prob -3

Step-by-step explanation:

The number 0 is called the additive identity because when you add it to a number, the result you get is the same number. For example, 4 + 0 = 4. Any two numbers whose sum is zero, such as 3 and -3, because 3 + (-3) = 0.

tia_tia [17]3 years ago

6 0

Answer:The number 0 is called the additive identity because when you add it to a number, the result you get is the same number. For example, 4 + 0 = 4. Any two numbers whose sum is zero, such as 3 and -3, because 3 + (-3) = 0.

Step-by-step explanation:

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lo que es 40 x 21 dividido por 8 redondeado al décimo más cercano muestra el trabajo, así que sé que no solo usaste una calculad

Mars2501 [29]

Answer:

*40

+840

840

105

$8\sqrt{840}$

-80

-40

=105

<u>8 goes into 84 ten times, 84-80 =4</u>

<u>Bring down the zero make 40 which 8 goes into five times</u>

<u></u>

Step-by-step explanation:

cant be round because there no tenths place

<h2>TRANSLATION</h2><h2> </h2><h3>8 entra en 84 diez veces, 84-80 = 4 </h3><h3> </h3><h3>Baje el cero, haga 40, en el que 8 entra cinco veces</h3><h3 /><h3>no puede ser redondo porque no hay décimos, asegúrese de poner los números correctos</h3>

3 0

3 years ago

if an area can be washed at a rate of 4,900 cm2/ minute, how many square inches can be washed per hour?

Olenka [21]

Answer : 4.5 × 10⁴ square inches can be washed per hour.

Step-by-step explanation :

As we are given that an area can be washed at a rate of 4,900 cm²/min. Now we have to determine the square inches can be washed per hour.

Given conversions are:

1 cm = 0.39 in and 1 hr = 60 min

As, 1 cm² = (0.39)² in² and 1 min = 1/60 hr

So, $1cm^2/min=(0.39)^2\times 60in^2/hr$