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maw [93]
3 years ago
10

What is the value of f(-4)

Mathematics
1 answer:
WITCHER [35]3 years ago
4 0

Answer:

7

Step-by-step explanation:

Substitute x = -4 :

f(-4) =  3 - (-4)

= 3 + 4

= 7

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grin007 [14]
The greatest common factor of 2 and 4 is 2
5 0
3 years ago
A study indicated that residents of manchester wasted 2695 gallons of water this tear. That is 50% less than last year . How man
Alenkasestr [34]

Answer:

5390 gallons of water was wasted by the city's residents last year.

Step-by-step explanation:

Let x denotes gallons of water wasted by the city's residents last year.

Gallons of water wasted by the city's residents this year = 2695 gallons

This is 50% less than last year.

Therefore,

x-\frac{50}{100}x=2695\\\\\frac{50}{100}x=2695\\\\\frac{x}{2} =2695\\\\x=2(2695)

x=5390 gallons

So, 5390 gallons of water was wasted by the city's residents last year.

7 0
3 years ago
The total surface area of this cuboid is 112cm^2. Find the value of x.
stealth61 [152]

Answer:

12544/20=<u>627.2 </u>

Step-by-step explanation:

I might be wrong Sorry If I am

4 0
3 years ago
Read 2 more answers
Is (x+7) a factor of f(x)= x^3-3x^2+2x-8
nikklg [1K]

Answer:

Step-by-step explanation:

Use synthetic division to answer this.  If the remainder is zero, then we can safely assume the divisor (x + 7) is a factor of the polynomial f(x)= x^3-3x^2+2x-8.

We use -7 as the divisor in synth. div.  This comes from the factor (x + 7):

-7   /    1    3     2     -8

               -7   28  -210

     -------------------------

         1      -4   30   -218

Here, the remainder is -218, not zero, so no, (x+7) is not a factor of f(x)= x^3-3x^2+2x-8.

6 0
4 years ago
What's 24 - 5.9 and how do you show your work
ziro4ka [17]

Answer:

18.1

Step-by-step explanation:

24-5.9=18.1

8 0
3 years ago
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