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barxatty [35]
3 years ago
8

20-4(4-3x)-7x=16-2(7-4x)

Mathematics
1 answer:
maria [59]3 years ago
8 0
20-4(4-3x)-7x=16-2(7-4x) \\ \\ 20-16+12x-7x =16 -14+8x \\ \\ 4 +5x =2 +8x \\ \\ 5x-8x=2-4 \\ \\ -3x=-2 \\ \\ 3x=2 \\ \\ \boxed{x=\frac{2}{3}}
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Please help asap!!
masya89 [10]
If I were solving this equation, I would put x^2-20x+(100)=(10). Since this is in standard form, you could change this into vertex form by making the equation      y=(x-10)^2 -10.
5 0
4 years ago
Find the surface area.<br> 5 cm<br> 14 cm<br> 9 cm<br> 3 cm
notsponge [240]

Answer:C. 2/3 cm/s

Step-by-step explanation:

3 0
3 years ago
PLS HELP WILL MARK BRAINLIST IF ANSWER IS CORRECT !! :) FILL IN THE BLANKS
andrew-mc [135]

Answer:

Part 1) The volume of the storage body is 576 cubic feet

Part 2) To find out how many boxes can she fit in the storage body, divide the volume of the storage body by the volume of each box

Part 3) Sheila can fit 64 boxes into the truck

Step-by-step explanation:

step 1

Find the volume of the storage body

we know that

The volume of the of the storage body is equal to the volume of two rectangular prism

The volume of a rectangular prism is equal to

V=LWH

First rectangular prism (top)

V=(15)(6)(8-6)=180\ ft^3

Second rectangular prism (bottom)

V=(15-4)(6)(6)=396\ ft^3

The volume of the storage body is

V=180+396=576\ ft^3

step 2

we know that

To find out how many boxes can she fit in the storage body, divide the volume of the storage body by the volume of each box

step 3

substitute the given values

\frac{576}{9}= 64\ boxes

therefore

Sheila can fit 64 boxes into the truck

7 0
3 years ago
The straight lines passing through these pairs of points (2, 5) and (4, 7) ,(−4, 2) and (1, 7) are,
Taya2010 [7]

Answer:

The line passes (2, 5) and (4, 7) has slope:

S = (7 - 5)/(4 - 2) = 2/2 = 1

The line passes (1, 7) and (-4, 2) has slope:

S = (2 - 7)/(-4 - 4) = 5/-5 = -1

The multiplication of two slope is  1 x (-1) = -1

=> Two lines are perpendicular

Hope this helps!

:)

5 0
3 years ago
Read 2 more answers
The sum of a number and 6 is greater than 76 write an inequality
IrinaVladis [17]

Answer:

x+6>76

Step-by-step explanation:

sum is adding

greater than is >

6 0
3 years ago
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