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attashe74 [19]
3 years ago
11

X + 3y = 15 -8x + 3y = -12

Mathematics
1 answer:
Anika [276]3 years ago
8 0

Answer: x=3,y=4

Step-by-step explanation:

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−2(3x−4)−x−3=<br> \,\,33<br> 33
notsponge [240]

Answer: =-7x+5

Step-by-step explanation:

-2\left(3x-4\right)-x-3

=-\left(2\left(3x-4\right)+x+3\right)

=-\left(6x-8+x+3\right)

=-\left(7x-5\right)

=-7x+5

5 0
3 years ago
The number of seconds varies directly as the number of minutes. When 300 seconds have passes, 5 minutes have passed. If 480 seco
Stells [14]
Hello!

We know that 1 minute = 60 seconds.

5 minutes = 300 seconds because 60 × 5 = 300

360 seconds would be 6 muinutes. 420 seconds would be 7 minutes. That means 480 seconds = 8 minutes, so 8 minutes have passed.
5 0
3 years ago
Here is a list of numbers: 13, 15, -6, 8, -16, 2, -12 ,3 ,-18 ,-18 state the median.
DiKsa [7]

The median of list of numbers is-2.

Given the list of numbers is 13,15,6,8,-16,2,-12,3,-18,-18.

The median is the median of a sorted list of numbers. To find the median of a sequence of numbers, the numbers must be sorted in order from lowest to highest or highest to lowest.

Firstly, we will arrange the number from ascending to descending, we get

-18,-18,-16,-12,-6,2,3,8,13,15.

Now, we will find the middle term of the sequence, we get

The middle terms are -6 and 2.

Further, we will find the median of it.

n=(-6+2)/2

n=-4/2

n=-2

Hence, the median of the list of numbers 13, 15, -6, 8, -16, 2, -12 ,3 ,-18 ,-18 is -2.

Learn more about median from here brainly.com/question/15796951

#SPJ4

7 0
2 years ago
1. Suma a trei numere este 176. Al doilea numar este cu 28 mai mare decat al treilea, iar primul este egal cu diferenta acesteia
baherus [9]
Răspunsul corect va fi numărul 4. Supãrat dacã meu vorbind nu este cel mai bun, vorbesc limba engleza. Dacă ai nevoie de numere consecutive, sunt 99, 102 şi 103. 
7 0
3 years ago
NEED HELP NOWWW Which of the following is a monomial?
Dafna11 [192]

Answer: C

Step-by-step explanation:

A monomial is a expression where in it is x to the power of something, and x cannot be a denominator

4 0
3 years ago
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