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erastova [34]
3 years ago
7

Is this correct? Explain. 48 - 24k = 12 (4 - 2k)

Mathematics
2 answers:
VLD [36.1K]3 years ago
7 0
It is correct because if you do the math you will come up with 48 - 24k = 48 - 24k
Ilia_Sergeevich [38]3 years ago
6 0
It is correct because when you simplify the expression on the right side, you will end up with the same expression that is to the other side of it. 
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Evaluate the expression below when<br> X = 4 and y = (-3)<br> 4x + 2xy
zepelin [54]

Step-by-step explanation:

4x + 2xy=

4×4 + 2×4×-3

= 16 + (-24)

= - 8

7 0
3 years ago
A Rectangle is removed from a right triangle to create the shaded region below. Find the area of the shaded region be sure to in
Scorpion4ik [409]

The given shapes area is found to be 4 square yards.

Step-by-step explanation:

Step 1; To determine the area of an indefinite shape we must divide it into the shapes that we know. The shape that is given can be split into a triangle with a rectangle in it.

Step 2; Any given triangles area is half the multiplication of its base value and its height value. In the given diagram, the base of the triangle measures a length of 5 yards and the length from base to top is 4 yards

Area of the triangle = \frac{1}{2} * base * height = \frac{1}{2} * 5 * 4 = 10 square yards.

The given rectangle measures a length of 3 yards and a width of 2 yards. The area of any given rectangle is the multiplication of its length and width.

Area of the rectangle = Length * Width = 3 yards * 2 yards = 6 square yards.

Step 3; To find the total area of the shape we must subtract the the rectangle's area from the triangle's area.

Area of given shape = Area of the triangle - Area of the rectangle.

Area of given shape = 10 square yards - 6 square yards = 4 square yards.

7 0
3 years ago
Help please explain in detail
yaroslaw [1]

Answer:

1. (n + 3)(5n + 8)

2. (x - 4)(7x - 4)

3. (k + 8)(7k + 1)

Step-by-step explanation:

1. We have to factorize 5n² + 23n + 24.

Now, 5n² + 23n + 24

= 5n² + 15n + 8n + 24

= 5n (n + 3) + 8 (n + 3)

=(n + 3)(5n + 8) (Answer)

2. We have to factorize 7x² - 32x + 16

Now,  7x² - 32x + 16

= 7x² - 28x - 4x + 16

= 7x (x - 4) - 4 (x - 4)

= (x - 4)(7x - 4) (Answer)

3. We have to factorize 7k² + 57k + 8

Now, 7k² + 57k + 8

= 7k² + 56k + k + 8

= 7k (k + 8) + 1 (k + 8)

= (k + 8)(7k + 1) (Answer)

4 0
3 years ago
What is the percent increase in between 16 and 20
MrMuchimi
Your answer is 25% because a change from 16 to 20 represents a positive change (increase) of 25%
5 0
3 years ago
Read 2 more answers
Karen measured a hotel and made a scale drawing. A room in the hotel, which is 10 feet wide in real life, is 2 inches wide in th
xz_007 [3.2K]
10 feet is 120 inches.  If 2 inches represents 120 inches, then the scale is 120/20 or 1inch scale = 60 inches = 5 feet
7 0
3 years ago
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