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Bingel [31]
3 years ago
7

After completing a fraction division problem, Clarice used

Mathematics
2 answers:
Evgen [1.6K]3 years ago
5 0

Answer:

Yes because She is incorrect 5 x 1 1/2 is 3 1/3

Step-by-step explanation:

Multiply 5 and 1 1/2 to get 3 1/3

oksian1 [2.3K]3 years ago
4 0

No. Clarice’s answer does not equal the dividend. She did not change the mixed number into an improper fraction before multiplying.

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If m(x)=x+5/x-1 and n(x)=x-3 which function has the same domain as (m•n)(x)
worty [1.4K]
Consider the functions m and n:


i) m(x)=\frac{x+5}{x-1}   for x≠1.

the domain of m is  all the real numbers except 1.


ii) n(x)=x-3 is a polynomial function, because x-3 is a linear polynomial. 

The domain of any polynomial function is all real numbers. To determine the Range of this function, let c be a value in the range:

x-3=c, then x=3+c.

so if we want the function to produce c, we just set x=3+c, check:

n(3+c)=(3+c)-3=c.

This means that the Range of n is all real numbers.


What this means, is that the input (x) of the function n(x) can be any real number, and the output (n(x)) can also be any number.

so let n(x)=a, consider m(a):

m(a)=(a+5)/(a-1), clearly a≠1, this means n(x)=x-3≠1, that is x≠-4
 

This means that the domain of the composed function, m(n(x)) =  say f(x), 

is all Real numbers except 4.


Check: letting x be 4, would mean n(4)=4-3=1

which would mean m(n(4))=m(1)=(1+5)/(1-1)=6/0, which makes no sense.


Answer: Any function with domain R-{4}, has the same domain of (mon)(x) 

6 0
3 years ago
WINNER GETS BRAINLY :)) Collins has a part-time job as a dog walker. The table below shows the amount of money Collins earned fo
Diano4ka-milaya [45]

Answer:

Step-by-step explanation:

45

62

20

7 0
3 years ago
An architect designs a rectangular flower garden such that the width is exactly​ two-thirds of the length. If 390 feet of antiqu
Ksenya-84 [330]

Length (L): L

width (w): (2/3)L

Perimeter (P) = 2L + 2w

               390 = 2(L) + 2(2/3)(L)

               1170 = 6L + 4L

               1170 = 10L

                  117 = L

width (w): (2/3)L   = (2/3)(117) = 2(39)   = 78

Answer: width = 78 ft, length = 117 ft


3 0
3 years ago
PLZ HELP I BEGG U! 100 points
rusak2 [61]

Answer:

Solution given;

l=4.5ft

b=2ft

h=2ft

now

volume=l*b*h=4.5*2*2=18ft³

is a required volume.

Now

total surface area =2(lb+lh+bh)

=2(4.5*2+4.5*2+2*2)=44ft²

is a total surface area.

5 0
2 years ago
Read 2 more answers
Free 11 point, take it or leave it.
tekilochka [14]

Answer:

thanks for the free points

Step-by-step explanation:

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3 years ago
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