Expanded form of 3(4x+5y)

Mathematics

1 answer:

PIT_PIT [208]2 years ago

3 0

= 12x + 15y because 3 x 4x = 12x and 3 x 5y = 15y

You might be interested in

Which quadratic equation has the roots -1+4i and -1-4i

AysviL [449]

Answer:

Step-by-step explanation:

Solve the quadratic in answer choice C using the quadratic formula:

$x=\frac{-b+/-\sqrt{b^2-4ac} }{2a}$ .

Here a=1, b=2, and c=17.

Substitute and you'll have:

$x=\frac{-b+/-\sqrt{b^2-4ac} }{2a} =\frac{-2+/-\sqrt{(-2)^2-4(1)(17)} }{2(1)}=\frac{-2+/-\sqrt{4-68}}{2)}$

$\frac{-2+/-\sqrt{-64} }{2}=\frac{-2+/-8i }{2}=-1+/- 4i$

6 0

3 years ago

What is the area of the figure below please explain!

jeyben [28]

I don't know the area of a parallelogram off the top of my head but you can use the area of the rectangle and the area of the triangle and add those. The area of the triangle is 1/2*base*height and use the pythagorean theorem to find the base. 3² + b² = 5²; 9 + b² = 25; b² = 16; b = 4. The area of the triangle is 1/2*4*3 or 6 in. Since there are two of them, the total area of the triangles are 12 in. The area of the rectangle is length*width or (12 - 4) * 3 which is 8 * 3 or 24in. Add these areas together to get 36in total

4 0

3 years ago

Keith bought a bag of parsnips that weighed 5 pounds. he also bought a bad of turnips that weighed 2 1/2 times as much as the pa

Illusion [34]

Answer:

5 x 2 1/2

5/1 x 5/2 = 25/2

5 0

2 years ago

The shortest living domestic cat measure 133.4 milimeters tall is the cat?

Vikki [24]

Answer:

Its 133.4 millimeters?

Step-by-step explanation:

7 0

2 years ago

Write 17000 in decreasing order

Brrunno [24]

Is it 00017?????? Just guessing

3 0

3 years ago