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3 years ago

What is the identity element of addition of real numbers?A. 2B. 0C. -1D. 1

Mathematics

1 answer:

ipn [44]3 years ago

4 0

0 is the identity element of addition

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The answer to my question

poizon [28]

The answer would be B. because a unit rate is usually equal to one for the sake of conversion

5 0

2 years ago

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Suppose there is a 1.2°F drop in temperature for every thousand feet that an airplane climbs into the sky. If the temperature on

Nesterboy [21]

Answer: $49.7^{\circ}F$

Step-by-step explanation:

Given

The temperature on the ground is $56.9^{\circ}F$

temperature drop observed is $1.2^{\circ}F\ \text{per 1000 ft}$

The height of the plane is $6000\ ft$

The total increase in height per $1000\ ft$ is $6$ units

Temperature drop is

$\Rightarrow 1.2\times 6=7.2^{\circ}F$

The temperature at that altitude is

$\Rightarrow 56.9-7.2=49.7^{\circ}F$

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2 years ago

Kareem wants to write an equation for the data in the table below.

arlik [135]

Answer:

Y = Mx+C (General equation of a straight line)

Step-by-step explanation:

From the data given above, we could deduce that the data has two coefficients (X and Y). The numbers could be used to generate equation of a straight line.

E.g 2x+4 = 5y which is equivalent to

Mx+C = Y

Where C is the constant.

5 0

3 years ago

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What is the answer in simplest form?

Arte-miy333 [17]

Answer:

P(Selecting a student aged 12)= (13/27)

Step-by-step explanation:

first find the value of (e), by getting the value of (b). check no.2.

8 0

1 year ago

Need help with this question

alexgriva [62]

Answer:

4 : 3

Step-by-step explanation:

QRS to VUT

$\frac{QR}{RS} =\frac{VU}{UT} \\\\\frac{8}{12} =\frac{6}{x} \\\\8x=72\\x=9$

$\frac{RS}{UT} =\frac{12}{9} =\frac{4}{3}$

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2 years ago

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