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Nezavi [6.7K]
3 years ago
6

What is the value of x in the inequality start fraction seven minus two x over negative four end fraction plus two less than neg

ative x ?
A. x less than start fraction one over six end fraction

B. x less than negative start fraction one over six end fraction

C. x greater than negative start fraction one over six end fraction

D. x < 6
Mathematics
1 answer:
algol133 years ago
3 0

Answer:

x

Step-by-step explanation:

\frac{7-2x}{-4} +2

Subtract 2 from both sides

\frac{7-2x}{-4}

mutliply both sides by -4, flip the inequality

7-2x >4x+8

Add 2x on both sideds

7>6x+8

Subtract 8 from both sides

-1>6x

Divide both sides by 6

x

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The sum of two integers is -129, if one of them is 150, find the order
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Step-by-step explanation:

-129-150= -279

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6 0
3 years ago
Please solve these equations much appreciated
Reptile [31]

Answer:      

Part c) V=16,500\ m^3

Part d) V=93,312\pi\ mm^3  or V=292,999.68\ mm^3

Step-by-step explanation:

Part c) Find the volume of the inverted rectangular pyramid

The volume of the rectangular pyramid is equal to

V=\frac{1}{3}Bh

where

B is the area of the rectangular base

h is the height of pyramid

<em>Find the area of the base B</em>

B=(60)(15)=900\ m^2

h=55\ m

substitute

V=\frac{1}{3}(900)(55)

V=16,500\ m^3

Part d) Find the maximum volume of tea in the tea cup

we know that

The volume of cylinder (tea cup) is equal to

V=\pi r^{2}h

we have

r=36\ mm\\h=72\ mm

substitute

V=\pi (36)^{2}(72)

V=93,312\pi\ mm^3 -----> exact value

<em>Find the approximate value</em>

assume

\pi =3.14

V=93,312(3.14)=292,999.68\ mm^3

7 0
3 years ago
If × = 6 what is 5×-(3+9)
olga nikolaevna [1]
<span> 5×-(3+9)
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Step-by-step explanation:

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