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Anika [276]
3 years ago
10

Which property of addition is this?(

Mathematics
2 answers:
igomit [66]3 years ago
6 0

Answer:

Commutative Law

Arisa [49]3 years ago
5 0

Answer:

Associative law [For addition]

Step-by-step explanation:

(6+3)+21−8=6+(3+21)−8

Associative law [For addition]: (a + b) + c = a + (b + c)

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Please help me!!! I have more points for this!
olga2289 [7]

Answer:

Thanks for the points :)>

Step-by-step explanation: yeahhh shawtyyy

7 0
3 years ago
When you multiply a function by -1 what is the effect on its graph?
vlada-n [284]

Answer:

Step-by-step explanation:

Depends on what you mean by multiplying by - 1.  I assume you are not going to multiply the y or f(x) term by - 1.

If that is so, take an example. Suppose you have a graph that is y=x^2

That's a parabola that opens upwards and it has a line going through its focus which is a point on the +y axis.

When you multiply the right hand side by - 1, the graph you get will be y = - x^2.

That opens downward and the focus is on the - y axis.

That means that the effect of the graph is that it flips over the x axis, which I think is the third answer.

5 0
4 years ago
If sin 115° ≈ 0.91 and cos 115° = -0.42, then sin -115° =
EastWind [94]

Answer:

sin -115° = -0.91

Step-by-step explanation:

Point A is (cos 115°, sin 115°). Since cos 115° = -0.42 and sin 115° ≈ 0.91, it means that the coordinates at point A is (-0.42, 0.91).

As for point B which was revolved around -115°,

the coordinates will be similar to point A but you just have to change the negative.

B(cos -115°, sin -115°) = B(0.42, -0.91)

3 0
3 years ago
What is the difference between the areas of a circular table with diameter 6 ft and a circular table with diameter 8 ft? Round y
MrMuchimi

If the diameter is given in a problem, area is computed as

A = (π/4) × D<span>2   where </span><span>π is equal to 3.14</span>

<span>If D (diameter)  of one circular table is 6 ft its  Area is 28 sq ft.</span>

If D of another circular is 8 ft its Area is 50 sq ft.

<span>The difference between the areas of the two tables is, therefore (50-28) or 22 sq. ft.</span>

3 0
3 years ago
Select the values that make the inequality true.
Sladkaya [172]

Answer: 35,40,45,50,55

That is the answer to the 1st part.

Step-by-step explanation:

6 0
3 years ago
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