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nevsk [136]
3 years ago
7

Which story problems could be solved using the given equation?

Mathematics
2 answers:
Brums [2.3K]3 years ago
6 0

Answer: Option 'C' and 'B' are correct.

Step-by-step explanation:

Since we have given that

\frac{1}{4}\times \frac{3}{5}

In Option 'C' ,

Length of a poster is given by

\frac{1}{4}

Width of a poster is given by

\frac{3}{5}

So, Area of poster is given by

Length\times breadth\\\\=\frac{1}{4}\times \frac{3}{5}

In option 'B', part of dolls are within the original box is given by

\frac{3}{5}

Part of dolls who has charity is given by

\frac{1}{4}

Total dolls she donate is given by

\frac{1}{4}\times \frac{3}{5}

On the other hand, In option 'A'  has "Division operation" and option 'D' has "Subtraction operation".

Hence, Option 'C' and 'B' are correct.

Katena32 [7]3 years ago
4 0
Which story problem could be solve using the given equations. 
B & C. 
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Find the holes<br> <img src="https://tex.z-dn.net/?f=f%28x%29%3D%5Cfrac%7Bx%2B3%7D%7B%28x%2B1%29%28x-2%29%7D" id="TexFormula1" t
olga55 [171]

Answer:

<h2>           x=-1 and x=2</h2>

Step-by-step explanation:

The "holes" are the x-es where function doesn't exist.

one must not divide by 0, so given function doesn't exis if the denominator is equal 0

The product {(x+1)×(x-2)} is equal 0 if any of factors  {(x+1),(x-2)} is 0, so

x + 1 = 0    or    x - 2 = 0

x = - 1      or    x = 2

8 0
3 years ago
Solve the equation.<br><br> 5x + 10 = 15<br> A. 3<br> B. 1<br> C. 5<br> D. 25
nikklg [1K]

Answer:

B. 1

Step-by-step explanation:

5x + 10 = 15

-10 -10

5x = 5

÷ 5 ÷ 5

x = 1

5 0
3 years ago
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
Nash ran how many miles in 5 weeks
liberstina [14]

Answer:

Is there more information?

Step-by-step explanation:

4 0
3 years ago
2/3y - 2/5 = 5 and please show work Algebra
Travka [436]

2/3y-2/5=5

We move all terms to the left:

2/3y-2/5-(5)=0

Domain of the equation: 3y!=0

y!=0/3

y!=0

y∈R

determiningTheFunctionDomain

2/3y-5-2/5=0

We calculate fractions

There is no solution for this equation

3 0
3 years ago
Read 2 more answers
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