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3 years ago

Solve 5x - 2 = 13. Please be quick

Mathematics

2 answers:

IceJOKER [234]3 years ago

8 0

Answer:

C. 3

Step-by-step explanation:

5x - 2 = 13

5x = 15

x = 15 ÷ 3

x = 3

Juliette [100K]3 years ago

5 0

Answer:

x=3

Step-by-step explanation:

Move all terms that dont contain x to the right side to solve

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The architect then solves this system of equations.

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3 years ago

the value of y varies directly with x, and when x = 1/4 , y = 25. What is the value of y when x is 2 1/3 need help ASAP

Grace [21]

Answer:

$y=233\frac{1}{3}$

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form $y/x=k$ or $y=kx$

In this problem we have

For $x=1/4, y=25$

Find the value of k (constant of proportionality)

$y/x=k$ -----> $k=25/(1/4)=100$

The linear equation is

$y=100x$

Find the value of y when the value of $x=2\frac{1}{3}$

substitute the value of x in the equation but first convert to an improper fraction

$x=2\frac{1}{3}=\frac{2*3+1}{3}=\frac{7}{3}$

$y=100(\frac{7}{3})=\frac{700}{3}$

convert the result in mixed number

$\frac{700}{3}=\frac{699}{3}+\frac{1}{3}=233\frac{1}{3}$

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4 years ago

12 labourers can complete a peice of work in 72 days.How many men will be required to do the same work in 54 days?

Veronika [31]

Answer:

<h2>answer will be 16 days</h2>

-----------------------------------------------

Step-by-step explanation:

12 labour can complete the work in 72 days

so. 1 labour---------------------------------12×72

so. 54 labour--------------------------------- 864/54=16

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3 years ago

Each of the ten letters in ``MATHCOUNTS'' is written on its own square tile and placed in a bag. What is the probability that a

PIT_PIT [208]

step 1

First, see how many letters in MATHCOUNTS are also in TEACH.

M no

A yes

T yes

H yes

C yes

O no

U no

N no

T yes

S no

That is 5 out of the 10 letters.

the probability=5/10-------> 1/2

the answer is
1/2

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3 years ago

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Answer:

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