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2 years ago

I need help i will give branly to eny one that anserwes it corecctly

Mathematics

2 answers:

jarptica [38.1K]2 years ago

8 0

8.43 has 2 decimal digits. 0.06 has 2 decimal digits.

The product of 8.43 and 0.06 will have 2*2 = 4 decimal digits.
843*6 = 5058
8.43*0.06 = 0.5058

olchik [2.2K]2 years ago

4 0

8.43 has two decimal digits. 0.06 has two decimal digits.

The product of eight.43 and 0.06 can have 2*2 = four decimal digits.

843*6 = 5058

8.43*0.06 = 0.5058

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Which ordered pair (x, y) is a solution to given system of linear equations?

patriot [66]

Answer:

$(\frac{1}{6}, \frac{1}{2})$ or $(0.167,0.5)$

Step-by-step explanation:

Given

$3x + y =1$

$15x + y = 3$

Required

Determine the solution

We'll solve using elimination method.

Subtract the first equation from the second:

$15x + y = 3$

$3x + y =1$

$--------$

$15x - 3x + y - y = 3 - 1$

$15x - 3x = 3 - 1$

$12x = 2$

Make x the subject:

$x = \frac{2}{12}$

$x = \frac{1}{6}$

$x =0.167$

Substitute $\frac{1}{6}$ for x in the first equation

$3x + y =1$

$3(\frac{1}{6}) + y = 1$

$\frac{1}{2} + y = 1$

Make y the subject

$y = 1 -\frac{1}{2}$

$y = \frac{2-1}{2}$

$y = \frac{1}{2}$

$y = 0.5$

Hence, the solution is:

$(\frac{1}{6}, \frac{1}{2})$ or $(0.167,0.5)$

8 0

2 years ago

A group of 3 adults and 5 children pay a total of 52$ for movie tickets

Paladinen [302]

Answer:

$9 adult
$5 child

Step-by-step explanation:

Letting "a" and "c" represent the costs of adult tickets and child tickets, the problem statement gives us two relations:

3a +5c = 52

2a +4c = 38

We can solve this system of equations using "elimination" as follows:

Dividing the first equation by 2 we get

a +2c = 19

Multiplying this by 3 and subtracting the first equation eliminates the "a" variable and tells us the price of a child ticket:

3(a +2c) -(3a +4c) = 3(19) -(52)

c = 5 . . . . . . collect terms

a +2·5 = 19 . . substitute for c in the 3rd equation above

a = 9 . . . . . . subtract 10

One adult ticket costs $9; one child ticket costs $5.

6 0

2 years ago

suppose a compact car uses 1 gallon of fuel for every 27 miles traveled. how would the graph for the compact car compare to the

VikaD [51]

We dont have enough information to answer the question i need the picture to compare my answer to bc (im assuming) its asking to compare how much gas the car in the equation uses vs the one in the graph

4 0

3 years ago

Use mental math to solve the equation 1.60=0.04+s

kobusy [5.1K]

Well using mental math, subtract .04 from 1.6 to get 1.56, which is s

7 0

2 years ago

Read 2 more answers

there are 12 students who play the clarinet and 16 students who play the viola. what does the ratio 16:12 describe?

Oksi-84 [34.3K]

Answer: The ratio 16:12 describes the ratio of the number of students who play the viola to the students who play the clarinet.

Step-by-step explanation:

Given : Number of students who play the clarinet= 12

Number of students who play the viola=16

We know that ratio of A to B is represented by A:B.

Since, the number '12' is representing " students who play the clarinet" and number '16' is representing " students who play the viola"

So , the ratio 16:12 describes the ratio of the number of students who play the viola to the students who play the clarinet.

6 0

2 years ago