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3 years ago

6x7=(6x5)+(6x2). Of which multiplication property?

2 answers:

5 0

This is the distributive property of multiplication but tricky
the distributiver property says
a(b+c)=ab+ac
7=5+2
6(5+2)=(6 times 5)+(6 times 2)

BartSMP [9]3 years ago

5 0

For this case we have the following multiplication:

$6 * 7$

We can rewrite the multiplication in the following way:

$6 * 7 = 6 * (5 + 2)$

Then, we can apply the distributive property of multiplication to rewrite the expression.

We have then:

$6 * 7 = (6 * 5) + (6 * 2)$

Answer:

The property applied for this case is:

Distributive property of multiplication

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Mr. Gonzales is replacing a cylindrical air-conditioning duct. He estimates the radius of the duct by folding a ruler to form tw

GalinKa [24]

Answer:

5.6875 in

Explanation:

At the point of tangency, the tangent to a circle and the radius form a right triangle (the radius is perpendicular to the tangent).

Here you are given the length of the tangent (6in), and the distance from the bisected vertex to the circle (2.75 in)

I tried to upload the drawing but the tool is not allowing it now.

In the figure:

The length of the tangent (6 in) is one leg of the triangle
The distance from vertex and the circle (2.75in) along with the radius forms the hypotenuse of the right triangle: 2.75 + r.
The other leg is the radius, r.

Then, you can use Pythagorean theorem:

(r)² + (6)² = (r +2.75)²

Solve:

r² + 36 = r² + 5.5r + 7.5625

5.5r = 36 - 7.5625

5.5r = 28.4375

r = 5.6875

The solution is in inches: r = 5.6875 inches ← answer

4 0

3 years ago

What does 5/9-1/12 equal to?

Elena-2011 [213]

$\frac{5}{9} - \frac{1}{12} = \frac{5 \times 4}{9 \times 4} - \frac{1 \times 3}{12 \times 3}$
$= \frac{ 20}{36} - \frac{3}{36}$
$= \frac{17}{36}$

3 0

3 years ago

1. Kelsey has $20 and is saving $6 per week, Janelle has $150 and is spending S4 per week. When will they

denis23 [38]

You have this man keep doing what u doing

3 0

2 years ago

HELP WILL give brainliest !!!!!!!!!

tatyana61 [14]

Answer:

$\frac{3}{8}$ a mile

Step-by-step explanation:

$\frac{1}{2} =\frac{4}{8}$

Sophia walked $\frac{4}{8}$ of a mile

Layla walked $\frac{7}{8}$ of a mile

$\frac{7}{8} -\frac{4}{8} =\frac{3}{8}$

Layla walked $\frac{3}{8}$ more of a mile than Sophia

4 0

3 years ago

This is the problem I’m having trouble with. It’s the first time I’ve done linear equations in four variables and I got the answ

garik1379 [7]

x+y-z+w = 10--------(1)

x+3y-4z+5w=26------(2)

x+4y-7z+7w = 37-------(3)

x+2y-3z+6w = 22--------(4)

Subtract equation (1) from (2)

x+3y-4z+5w - (x+y-z+w) = 26 - 10

2y + -3z - 4w = 16-----------------------------(5)

Subtract equation (1) from (3)

8 0

1 year ago