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s344n2d4d5 [400]
3 years ago
7

Name the property of real numbers illustrated by the equation.

Mathematics
2 answers:
sammy [17]3 years ago
4 0
Distributive property :))))
Lelu [443]3 years ago
3 0
Hello there.

The answer to this question is the Distributive Property.
Remember that "distributing" means to share out. In this case, we are distributing -4 into each term within the parenthesis. Let's further evaluate on that;
-4(x+ 3);
-4(x) + -4(3);
-4x - 12.

As we can see, we multiplied -4 by each term within the parenthesis (as we did not have any sign between our number and the parenthesis, which concludes we need to multiply that term).

I hope this helps! :)
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Simplify the expression. -3m + 2n + 9m
ycow [4]

Answer:

Step-by-step explanation:9m -3m +2n = 6m+2n

5 0
3 years ago
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A cube has a lateral area of 676 square feet.<br> What is the side length of the cube?
sp2606 [1]

Answer:

13 ft.

Step-by-step explanation:

Lateral Surface area of a cube is the area of 4 sides, front side, back side, left side face and right side face.

It can be seen seen from the attached figure as well.

Each face in a cube is a square. And each side in the cube is equal.

So, Lateral surface area is nothing but 4 \times area of a square.

And we know that area of a square = side^{2}.

Hence, Lateral surface area = 4 \times side^{2}

As per question:

4 \times side^{2} = 676

side^2 = 169 \\\Rightarrow side = 13

Hence, side length of cube = 13 feet.

7 0
3 years ago
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Len [333]

Answer:

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3 years ago
Given: tangent A = negative StartRoot 15 EndRoot What is the value of Tangent (A minus StartFraction pi over 4 EndFraction)?
marshall27 [118]

Answer:

( √15 + 8)/7

Step-by-step explanation:

TanA = -√15

.we are to find tan(A-π/4).

In trigonometry

Tan(A-B) = TanA - TanB/1+ tanAtanB

Hence:

tan(A-π/4) = TanA - Tanπ/4/1+ tanAtanπ/4

Substitute tan A value into the formula

tan(A-π/4) = -√15-tanπ/4 / 1+(-√15)(tanπ/4

tan(A-π/4) = -√15-1/1-√15

Rationalize

-√15-1/1-√15 × 1+√15/1+√15

= -√15-√225-1-√15/(1-√225)

= -2√15-15-1/1-15

= -2√15 -16/(-14)

= -2(√15+8)/-14

= √15 + 8/7

Hence the required value is ( √15 + 8)/7

4 0
2 years ago
Read 2 more answers
Use the pythagorean theorem to find the distance between from A(5, -3) to B (6,0)
Orlov [11]

C. 3.16 is the right answer

Step-by-step explanation:

The distance formula used in coordinate geometry is derived from the Pythagorean theorem.

The distance formula is give by:

d=\sqrt{(x_2-x_2)^2+(y_2-y_1)^2}

Here (x1,y1) are the coordinates of first point and (y1,y2) are the coordinates of second point

Here,

(x1,y1) = (5,-3)

(x2,y2) = (6,0)

Putting the values in the formula

AB = \sqrt{(6-5)^2+(0-(-3))^2}\\=\sqrt{(1)^2+(0+3)^2}\\=\sqrt{(1)^2+(3)^2}\\=\sqrt{1+9}\\=\sqrt{10}\\=3.16\ units

The distance between two points is 3.16 units.

Hence,

C. 3.16 is the right answer

Keywords: Coordinate geometry, Pythagorean Theorem

Learn more about Pythagorean theorem at:

  • brainly.com/question/10435816
  • brainly.com/question/10435836

#LearnwithBrainly

8 0
3 years ago
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