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4 years ago

What number should be added to –28 to make the sum 0?

Mathematics

2 answers:

Vesna [10]4 years ago

6 0

Answer:28

Step-by-step explanation:

Elena-2011 [213]4 years ago

5 0

Answer:

You would add 28 to make -28 become 0

Step-by-step explanation:

say you have lost 28 cubes, you could say you have -28 cubes.

Then when you fine one cube you could say -27 and so on. When you have all your cubes ur missing 0

Hope this helps please mark brainliest

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Santos walks 2 kilometers south and then a certain number of kilometers east. He ends 5 kilometers away from his starting positi

IgorLugansk [536]

Answer:

$\sqrt{21}\ km$ or $4.58\ km$

Step-by-step explanation:

we know that

Applying Pythagoras' Theorem, calculate how many kilometers eastward Santos walked

Let

x----> quantity of kilometers eastward that Santos walked

$x^{2}=5^{2}-2^{2}$

$x^{2}=21$

$x=\sqrt{21}\ km$ ----> exact value

$\sqrt{21}=4.58\ km$ -----> approximate value

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3 years ago

Read 2 more answers

If f(x) = 3x + 2 and g(x) = 2x – 2, what is (f – g)(x)? A. x + 4 B. x – 2 C. x D. 5x – 2 E. x – 4

Bond [772]

Answer: Option A

Step-by-step explanation:

Given the functions f(x) and g(x):

$f(x) = 3x + 2$

$g(x)=2x-2$

$(f-g)(x)$ indicates that you need to subtract the function $f(x) = 3x + 2$ and the function $g(x)=2x-2$ .

Then:

$(f-g)(x)=3x + 2-(2x-2)$

Now, you need to dstribute the negative sign and then you have to add like terms. Then:

$(f-g)(x)=3x + 2-2x+2\\\\(f-g)(x)=x+4$

You can observe that this answer matches with the option A.

8 0

3 years ago

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If there are 48 block and 3 quarters of the blocks were red how many blocks are red

ivolga24 [154]

Answer:

36 red blocks.

Step-by-step explanation:

3/4 (.75)*48 = 36

4 0

3 years ago

Read 2 more answers

a number of rounded to the nearest hundred thousand 400,000. the same number ro u nded to the nearest rounded to the nearest ten

a_sh-v [17]

9514 1404 393

Answer:

354,998

Step-by-step explanation:

If the number is less than 350,000, it will not round to 400,000.

If the number is 355,000 or more, it will not round to 350,000.

The number (n) must satisfy ...

350,000 ≤ n < 355,000

If we're restricted to integers, the number could be any between 350,000 and 354,999, inclusive. One possibility is 354,998.

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3 years ago

Determine which answers are solutions of the inequality 2x + 1 > 5

svet-max [94.6K]

Answer:

A and E

Step-by-step explanation:

2x + 1 > 5

So, subtract the 1 from both sides,

2x > 4

x > 2

So anything greater than 2...

7 and 3 are greater than 2.

A and E.

5 0

3 years ago