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Marina86 [1]
3 years ago
5

X + 4y = -8 x-4y=-8 elimination

Mathematics
1 answer:
Juli2301 [7.4K]3 years ago
6 0

Steps :-

■ Eliminate the equations (subtract them). You'll get the value of 1 variable.

■ Then substitute in another equation to get the value of the other variable.

Answer :-

■ x = -8 & y = 0

See the attachment for the steps.

________

Hope it helps ⚜

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Answer:

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Step-by-step explanation:

7 0
3 years ago
What measure of center best represents the data set?
inysia [295]
I feel like it would be mean or median, because there is no outlier, making it so that all of the numbers are closely put together.

Put the set into order.

25, 26, 27, 28, 29

So, we know that this is all in order, making it so that we know for sure that there is no outlier. 

If you find the mean, it'll represent the data nicely. 

We know that both the mean and median represent the data set nicely, because it just does. It's one of those things that are extremely painful and hard to fully explain and have someone understand, but don't worry, it makes sense.

So, it can't just be the mean only or the median only.

It also can't be the mode only, because THERE IS NO MODE! 

So, our final answer is mean or median :)

~Hope I helped!~
7 0
4 years ago
Solve for h and c to find what h and c equals; 34.50=4h+7c and 30.50=8h+3c
Irina18 [472]
34.5=4h+7c
(34.5-7c)/4=h
Put h= (34.5-7c)/4 into another equation
30.5=8h+3c
30.5=2(34.5-7c)+3c
30.5=69-14c+3c
11c=38.5
c=38.5/11
Put c=38.5/11 into one of the equations
to calculate the h.


4 0
3 years ago
Fractions and Mixed numbers:
LiRa [457]
28/8 = 3 remainder 4 so 3 4/8(fraction) or 3 1/2
You would want to divide the minutes to the songs so you can find out how long one song is, but sense there was a remainder you could turn it into a fraction or you could keep diving. In this case you would want to stop. To find the fraction here is a formula the divisor is the denominator, the numerator is the remainder and the whole number is the number you get that is behind the remainder
3 0
3 years ago
A high school has a total of 850 students. there are 60 more female students than there are make students?
Mrac [35]
Hey. Let me help you on this one.

Let's break this problem down so it's easier for us to comprehend it.

There are 850 students in the school, and the amount of female students equals to the amount of male students + sixty additional females.

Amount of students in school = 850 students

Male students = X

Female students = X+60

Let's form an equation so we can work with what we have.

X+(X+60)=850

Subtract 60 from both sides.

X+X=790

Simplify

2X=790

Divide both sides by 2.

X=395

Answer: There are 395 male students, and 455 female students.

3 0
3 years ago
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