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s2008m [1.1K]
2 years ago
11

Use the Adding Integers manipulative to create a tile model for this situation: What is the sum of (-5) + (+3)?

Mathematics
2 answers:
Crazy boy [7]2 years ago
7 0
-2

On the number line if you move to the left 5 times you’ll be at -5, then go to the right 3, you’ll end up at -2
Karo-lina-s [1.5K]2 years ago
5 0

Answer:

-2

Step-by-step explanation:

(-5) + (+3)

= -5+3

= -2

please mark as brainliest

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You would need to know the length and width of each plot.
3 0
3 years ago
Helppppp..... evaluate 3^-3=
elixir [45]

ANSWER

The answer is

B

\frac{1}{27}

EXPLANATION

The given expression is

{3}^{ - 3}

Use the negative index property;

{a}^{ - m}  =  \frac{1}{ {a}^{m} }

We apply this property to get:

{3}^{ - 3}  =  \frac{1}{ {3}^{3} }

This gives us:

{3}^{ - 3}  =  \frac{1}{3 \times 3 \times 3 }

{3}^{ - 3}  =  \frac{1}{27}

The correct option is B.

6 0
3 years ago
Read 2 more answers
3.
zheka24 [161]

Answer:

20

Step-by-step explanation:

Sn = (n/2)(a1 + a1 + d(n-1)), where S = sum, a1 = first term, n = number of terms, d = common difference

 

400 = (n/2)(1 + 1 + 2(n - 1))

400 = (n/2)(2  + 2n - 2)

400 = (n/2)(2n

400 = n2

20 = n

 

Twenty numbers are in the set.

6 0
3 years ago
Read 2 more answers
Evaluate fog and gof if f(x)=5x-8 and g(x)= x^3
DerKrebs [107]

Answer:

see explanation

Step-by-step explanation:

note that f ○ g = f(g(x))

To evaluate substitute x = x³ into f(x)

f(g(x)) = f(x³) = 5x³ - 8

In the same way

g ○ f = g(f(x))

To evaluate substitute x = 5x - 8 into g(x)

g(f(x)) = g(5x - 8) = (5x - 8)³


3 0
3 years ago
The ratio of rock songs to dance songs on Jonathan's MP3 player is 5:7. If Jonathan has between 100 and 110 rock and dance songs
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I do not belive my answer is right but 100:110 maybe? Sorry if I'm wrong.

3 0
3 years ago
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