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asambeis [7]
2 years ago
14

What is the answer of (4x+8) (2x-4)

Mathematics
2 answers:
andrey2020 [161]2 years ago
8 0

Answer:

8x² - 32

Step-by-step explanation:

(4x + 8) (2x - 4)

Distribute

(4x)(2x - 4) + (8)(2x - 4)

8x² - 16x + 16x - 32

Cancel out 16x

8x² - 32

Hope this was useful to you!

Zielflug [23.3K]2 years ago
4 0

Answer:

Step-by-step explanation:

you can foil this so

(4x × 2x)+ (4x × -4)+ (8 × 2x)+(8×-4)

when simplified, the answer is

8x^{2} +( -16x )+ 16x +( -32), which when further simplified is

8x^{2} - 32

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You buy 2 shirts and 1 pair of pants for $34. Your friend buys 3 shirts and 3 pairs of pants for $69. What is the price of 1 shi
V125BC [204]

You buy 3 shirts and 1 pair of pants for $32. Your friend buys 2 shirts and 3 pairs of pants for $40. How much did each item cost?

First let’s define a shirt as X and pants as Y!

In the first scenario, the equation will be 3X + Y =$32

In the second scenario, the equation will be 2X + 3Y = $40  

Now because we have two different variables (X & Y) let’s solve for one of them (Ex: Y) to simplify the equations!

3X + Y= $32—> subtract 3X on both sides of the equation  

-3X.        - 3X

Net result: Y= 32- 3X

Now we can insert this into the second equation 2X + 3Y = $40 in order to solve for X variable  

2X + 3(32-3X) = $40

2X + 96 - 9X = $40 —> simplify the equation  

-7X + 96 = $40 —> substrate 96 from both sides  

-7X = -56 —> divide both sides by -7  

X= 8  

Now reinsert 8= X into 3X + Y = $32

3(8) + Y = $32

24+ Y = $32 —> substract 24 from both sides

y = 8

ANSWER: X= 8, Y= 8

7 0
2 years ago
5/100 as a decimal in Dollar form
mina [271]

Answer:

$0.05

Step-by-step explanation:

Hope it helps and have a great day =D

5 0
2 years ago
Read 2 more answers
A seed company planted a floral mosaic of a national flag. The perimeter of the flag is 2,420 ft Determine the​ flag's width and
ElenaW [278]
The answer is 80ft 140ft
5 0
2 years ago
Please help me with questions 23, 24, and 25
alekssr [168]
Problem 23
A = 40
B = 3x+1
C = 3x+1
B and C are congruent, so they have the same angle measure

The three angles of any triangle add to 180 degrees
A+B+C = 180
40+(3x+1)+(3x+1) = 180
6x+42 = 180
6x = 180-42
6x = 138
x = 138/6
x = 23

Answer: B) 23

============================================================

Problem 24

AB is the midsegment parallel to XY
So AB is half that of XY
AB = (1/2)*XY
AB = (1/2)*28
AB = 14

Answer: B) 14

============================================================

Problem 25

Note the ratio of the given rectangle's sides: 7/12 = 0.583 roughly

Divide the answer choices in a similar fashion
A) 5/7 = 0.714
B) 14/36 = 0.389
C) 21/36 = 0.583
D) 21/48 = 0.4375

We get the same result in choice C as we did in the original rectangle

Answer: C) 21 ft x 36 ft

6 0
3 years ago
3/4 of a pan of brownies was sitting on the counter.Paul decided to eat 1/3 if the brownies in the pan.How much of the whole pan
Lubov Fominskaja [6]

Answer:

1/4 of the pan

Step-by-step explanation:

1/3 of 3/4 = 1/4

5 0
2 years ago
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