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Vilka [71]
3 years ago
9

which equation represents this sentence? one-half the sum of a number and four is three less than the quotient of five and the n

umber. a.) 1/2n 4=3−5/n b.) 1/2(n 4)=5/n−3 c.) 1/2(n 4)=3−5/n d.) 1/2n 4=5/n−3
Mathematics
2 answers:
stellarik [79]3 years ago
7 0

Answer:

b

Step-by-step explanation:

Elena L [17]3 years ago
6 0

a.) 1/2n 4=3−5/n b.) 1/2(n 4)=5/n−3 c.) 1/2(n 4)=3−5/n d.) 1/2n 4=5/n−3

Let's assume the number be n.

So, sum of number and four can be written as n+4.

Now one-half of n+4 will be \frac{1}{2} (n+4).

Quotient of five and the number can be written as \frac{5}{n}.

Now three less \frac{5}{n} can be written as \frac{5}{n} -3.

So, one-half the sum of a number and four is three less than the quotient of five and the number can be converted into equation as follows:

\frac{1}{2} (n+4)=\frac{5}{n}-3

So, b is the correct choice.

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larisa [96]

Answer:

(5,4)

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3 0
3 years ago
Water tank is being filled with water. Before water is pumped in, the water level in the tank is 12 inches high. After 20 minute
zhenek [66]

Answer:

D. H = 2.1t + 12

Step-by-step explanation:

Let us assume the t be the time in minutes

And h be the water level

Now before reaching to the equation that need to be used

before this, determine the inches per minute i.e.  

= 54 inches - 12 inches

= 42 inches in 20 minutes.

Now for per minute, it would be

= 42 inches ÷ 20 minutes

= 2.1 inches per minute

After this, multiply the inches per minute with the minutes t and add the sale to the beginning value i.e. 12

So the equation is

H = 2.1t + 12

hence, the last option is correct

7 0
3 years ago
Peter made a square pin for his pet guinea pig to roam in. One side was 18.2 cm. What is the area of the pin?
Zina [86]

Hi!

Answer:

A) 331.24

Step-by-step explanation:

To find the area, you need to multiply LxW, (Length x Width) and in this case, since it's a square, the sides are equal. Each side is 18.2 cm, so all we have to do is multiply 18.2 by 18.2, and then we get 331.24, so your answer is option A.

I hope this helps! :)

8 0
2 years ago
Read 2 more answers
Identify all of the roots of the function f(x) = x^3 - 5x^2-2x+24
Sveta_85 [38]

Answer: -2,3,&4

Step-by-step explanation:

Correct on edgenuity

3 0
3 years ago
What properties will you use next to solve the equation
ella [17]

Answer:

To solve an equation you can use PEMDAS, standing for parenthesis, exponents, multiplication, division and addition. If it's an equation like, x/3+7+13, you could use the distributive property. By separating variables.

Step-by-step explanation:

7 0
3 years ago
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