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Art [367]
3 years ago
7

CAN SOMEONE PLEASE HELP ME FAST

Mathematics
2 answers:
Mekhanik [1.2K]3 years ago
8 0
Its D and the proportional relationship is x times 4 = y
SpyIntel [72]3 years ago
4 0
B. THATS YOUR ANSWER
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Question 6. Which expression is equivalent to 3x(x-6)+5(x-4)?
alukav5142 [94]

Answer:

8x- 38

Step-by-step explanation:

3(x-6)+5(x-4)

Distribute

3x- 18+5x -20

Combine like terms

3x+5x -18-20

8x- 38

5 0
3 years ago
Read 2 more answers
Find the area of the regular trapezoid. The figure is not drawn to scale. The top side is 4, the bottom side is 7, and both side
svp [43]
A regular trapezoid is shown in the picture attached.

We know that:
DC = minor base = 4
AB = major base = 7
AD = BC = lateral sides or legs = 5

Since the two legs have the same length, the trapezoid is isosceles and we can calculate AH by the formula:

AH = (AB - DC) ÷ 2
      = (7 - 5) ÷ 2
      = 2 ÷ 2
      = 1

Now, we can apply the Pythagorean theorem in order to calculate DH:
DH = √(AD² - AH²) 
      = √(5² - 1²)
      = √(25 - 1)
      = √24
      = 2√6

Last, we have all the information needed in order to calculate the area by the formula:

A =  \frac{(AB + CD)DH}{2}

A = (7 + 5) × 2√6 ÷ 2
   = 12√6

The area of the regular trapezoid is 12√6 square units.

7 0
3 years ago
Each side of a square is increasing at a rate of 5 cm/s. At what rate (in cm2/s) is the area of the square increasing when the a
nikklg [1K]

Answer:

knkkl

Step-by-step explanation:

bjkjjjkhjhjhjkhjhj

4 0
2 years ago
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Ppppplllllllllzzzzzzz helppppppppp -7/9 - 5/10
Lyrx [107]
Simplify 5/10 to 1/2

find the LCD of both fractions and that would be 18

make the denominators the same as the LCD

Simplify, now denominators are equal

join the denominators

simplify it now (23/-18)

convert to mixed fraction 

Answer: -1 5/18.

7 0
3 years ago
You are a bookkeeper, and you make $15.66 an hour. You worked 80 hours during the pay period. Anyone who makes an income is requ
monitta
You have to pay $250.56 in taxes 
4 0
3 years ago
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