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bixtya [17]
3 years ago
13

What is 5/4= x/12 solve for proportion?

Mathematics
2 answers:
worty [1.4K]3 years ago
6 0
\dfrac{5}{4} =  \dfrac{x}{12}  \\ \\4*x=5*12 \\ \\4x=60 \ \ \ /:4 \\ \\x=60:4 \\ \\x=15
Diano4ka-milaya [45]3 years ago
5 0
\frac{5}{4}=\frac{x}{12}\ \ \ \ \ |cross\ multiply\\\\4\cdot x=5\cdot12\\\\4x=60\ \ \ \ \ |divide\ both\ sides\ by\ 4\\\\\boxed{x=15}
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Please click on the file and answer ASAP.
Annette [7]

Answer: Part a) 375 pounds, Part b) 8 words

Step-by-step explanation:

a)

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Since n represents the number of words there are, we can plug in 20 for n into the equation to get:

C = 15*20 + 75 pounds

C = 300 + 75 pounds

C = 375 pounds

b)

Since C represents the cost of the advert, we can plug in 195 for C into the equation to get:

195 = 15n + 75

Subtract 75 from both sides:

120 = 15n

Divide both sides by 15:

n = 8 words

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2 years ago
Given f(x)=5x+4, solve for x when f (x) = -6
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4 0
2 years ago
If it takes Charlie 45 minutes walking at 2.5 km/hr to get to the chocolate factory and it takes Willy Wonka 15 minutes walking
Mrac [35]

Answer:

Willy Wonka

Step-by-step explanation:

Given data

it takes Charlie 45 minutes walking at 2.5 km/hr

speed = distance /time

distance= speed*time

distance= 2.5*45

distance= 112.5 km

it takes Willy Wonka 15 minutes walking at 3.5 km/hr

distance= speed*time

distance= 3.5*15

distance= 52.5 km

Hence Willy Wonka stays closer

7 0
2 years ago
What is the value of y?<br> Help I will mark brainliest
Alisiya [41]

Answer:

y = 9

Step-by-step explanation:

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5 0
2 years ago
Which of the following shows the division problem below in synthetic division
alexandr402 [8]

Answer:

The Answer is C

Step-by-step explanation:

Look at each coefficient next to the degree of the radical. When inputting that number for synthetic division (From greatest degree to least) you would get 8 1 and -5. The number that is the divisor is the 6, but you have to set (x - 6) to equal zero, which would get you a number of 6.

7 0
3 years ago
Read 2 more answers
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