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Rama09 [41]
4 years ago
13

Use the distributive property to expand the expression. (2x + 4y) − (2z + 4) A) 2x + 4y + 2z + 4 B) 2x + 4y − 2z + 4 C) 2x + 4y

+ 2z − 4 D) 2x + 4y − 2z − 4
Mathematics
1 answer:
Softa [21]4 years ago
6 0
D) 2x+4y-2z-4 is the answer
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Plz Hurry
Svetradugi [14.3K]

Answer:

B

Step-by-step explanation:

4 0
3 years ago
-1=3(w+14)-7 equation
tankabanditka [31]
<span>-1=3(w+14)-7
Use distributive property
-1=3w+42-7
Subtract 7 from 42
-1=3w+35
Subtract 35 from both sides
-36=3w
Divide 3 on both sides
Final Answer: -12=w</span>
7 0
3 years ago
Read 2 more answers
Find the dimensions of a rectangle with perimeter 108 m whose area is as large as possible. (If both values are the same number,
V125BC [204]

Answer:

27 by 27

Step-by-step explanation:

Let the sides be x and y. The problem is essentially asking:

Given 2(x+y)=108, maximize xy.

We know that x+y=54. By the Arithmetic Mean - Geometric Mean inequality, we can see that \frac{x+y}{2} \ge \sqrt{xy. Substituting in x+y=54, we get 27\ge\sqrt{xy}, meaning that 729 \ge xy. Equality will only be obtained when x=y (in this case it will generate the maximum for xy), so setting x = y, we can see that x = y = 27. Hence, 27 is the answer you are looking for.

5 0
3 years ago
Brainliest + Points!
Flauer [41]

Answer:

Your answer is not there.... but my answer is... so, check it put...

Step-by-step explanation:

P is the principal amount, $400.00.

r is the interest rate, 7.5% per year, or in decimal form, 7.5/100=0.075.

t is the time involved, 6 month period(s) time periods.

To find the simple interest, we multiply 400 × 0.075 × 3 to get that:

The interest is: $90.00

5 0
4 years ago
Consider this cube with a volume of 64 cubic centimeters.
Eduardwww [97]

Answer:

This is a perfect cube.

The side length is 4.

Taking the cube root of the volume will determine the side length.

Step-by-step explanation:

We are told that:

A cube has volume 64 centimeters cubed.

The formula for the volume of a cube = s³

Where s = side length

Hence

64 cm³ = s³

We can find s by finding the cube root of both sides

Hence,

cube root(64) = cube root(s³)

s = 4 cm

Note that 64 is a perfect cube because 4 × 4 × 4 = 4³ = 64 cm³

Therefore, it can be concluded of the cube that:

This is a perfect cube.

The side length is 4.

Taking the cube root of the volume will determine the side length.

3 0
3 years ago
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