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inn [45]
2 years ago
11

Please help me ! I will mark brainlist

Mathematics
2 answers:
RUDIKE [14]2 years ago
7 0

Answer:

900

Step-by-step explanation:

I used the box method

Mariana [72]2 years ago
3 0

Answer:

ha

Step-by-step explanation:

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Evaluate (a + b)2 for a = 2 and b = 3
Ivenika [448]

f(a,b) = 2(a+b)

f(2,3) = 2(2+3)

f(2,3) = 2(5)

f(2,3) = 10

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Step-by-step explanation:

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ASAP MATH HELP WITH THIS QUESTIONS
liq [111]

Answer:

y = - x + 3

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Calculate m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ ) = (- 2, 5) and (x₂, y₂ ) = (4, - 1)

m = \frac{-1-5}{4+2} = \frac{-6}{6} = - 1, thus

y = - x + c ← is the partial equation

To find c substitute either of the 2 points into the partial equation

Using (4, - 1 ), then

- 1 = - 4 + c ⇒ c = - 1 + 4 = 3

y = - x + 3 ← equation of line

4 0
2 years ago
Pick any three-digit counting number. Reverse the digits of the original number. The difference of these two numbers has a tens
Eva8 [605]

As given,

Step 1: Pick any three-digit counting number

Lets pick the number 643

Step 2: Reverse the digits of the original number.

So, reverse becomes 346

Now, it says that the difference of these two numbers has a tens digit of 9.

Lets, check:

643-346=297

So, its true that the difference has a tens digit of 9.

Another example:

Lets take 449

So reverse is = 944

Difference = 944-449=495

Here also the tens digit is 9.

So, the condition applies to all 3 digit numbers.

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3 years ago
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