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Gnom [1K]
2 years ago
6

Evaluate the function f(x) = -7x + 2 at f(-18).

Mathematics
1 answer:
enyata [817]2 years ago
7 0

Answer:

128

Step-by-step explanation:

-7x+2 = -18(-7)+2=126+2=128

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Louis wants to carpet the rectangular floor of his basement. The basement has an area of 2,000 square feet. The width of the bas
Kazeer [188]

Answer: 50 feet

Step-by-step explanation:

Let the length be represented by x

The width of the basement is 4/5 its length. Therefore, the width is 4/5x = 0.8x

Area = Length × Breadth

2000 = x × 0.8x

0.8x² = 2000

x² = 2000/0.8

x = ✓2500

x = 50

Therefore, the length is 50feet

6 0
3 years ago
Q+12-2(q-22)>0 solve
sineoko [7]

Answer: I think it goes like this im pretty sure ;)

Distribute

q+12-2q+44>0

Combine like terms

-q+56>0

Subtract 56 from both sides

-q>-56

Multiply both sides by -1 (flip the inequality sign)

q<56

The Final answer: q<56

6 0
4 years ago
Dog up! franks is looking at a new sausage system with an installed cost of $500,000. this cost will be depreciated straight-lin
maxonik [38]
In this item, it is assumed that we are to calculate for the depreciation rate of the sausage system. This can be calculated through the equation,
     D = (P - S) / n

where D is the depreciation rate,
P is the present value of the sausage system, $500,000
S is the salvage value, $74,000
and n is the number of years, 5 years

Substituting the known values from the given in this item,
  D = ($500,000 - $74,000) / 5
  D = $85,200

The depreciation rate of the new sausage system that Frank will buy is $85,200/year
6 0
3 years ago
The sum of two consecutive integers is 123 what’s is the smallest of the two integers
RideAnS [48]

The smallest of two integers is 61

Step-by-step explanation:

Let x be the smaller integer

Then the next integer will be:

x+1

According to given statement that the sum of both is 123

x+ (x+1) = 123\\x+x+1=123\\2x+1=123

Subtracting 1 from both sides

2x+1-1=123-1\\2x=122

Dividing both sides by 2

\frac{2x}{2}=\frac{122}{2}\\x=61

The smallest of two integers is 61

Keywords: Linear equations, Variables

Learn more about linear equations at:

  • brainly.com/question/2670657
  • brainly.com/question/2821386

#LearnwithBrainly

6 0
3 years ago
Calculați: a) -5+(-2)•(4-8)<br> B) -10 + (-21)•(-7)<br> d) 6-(-3)•(1-9)<br> e) 8-(-28)•(3-10)
snow_lady [41]

a)  -5+(-2) (4-8) =

(-7)(-4) = 28

b)  -10 + (-21) (-7) =

(-10) + 147 = 137

c)  6- (-3) (1-9)

9 (1-9) = -72

d)  8 - (-28) (3 - 10)

36 (-7) = -252

6 0
4 years ago
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