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HACTEHA [7]
3 years ago
13

Solve the system of equations: 3x + 2y = 4 3x + 6y = -24

Mathematics
1 answer:
Dimas [21]3 years ago
7 0

Answer:

y=-7

x=6

Step-by-step explanation:

If you subtract 3x from both equations, you get -4y=28, which means that y=-7. When you substitute it back in, you get the x-value of 6.

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Plz help!!! ASAP! GIVE BRAINLIEST AND GIVING POINTS!!!!!
Studentka2010 [4]

Answer:

-8

Step-by-step explanation:

-8m⁴ n⁴

m = 0.5 = 1/2

n = 2

Substitute

-8 * (1/2)⁴ * (2)⁴

-8 * (1/16) * (16)

-8

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2 years ago
please solve this question
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What is four and one over five divided bye one and two overfive
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7 0
3 years ago
144kg in the ratio of 9:8:7​
ANEK [815]

Step-by-step explanation:

Hey there!

Given;

Ratio = 9:8:7

Let "x" be the common factor. So,

9x+8x+7x = 144

or, 24x = 144

or, x = 144/24

or, x= 6

It's like;

= 9*6:8*6:7*6

= 54:48:42

Therefore, their ratio is 54:48:42.

<em><u>Hop</u></em><em><u>e</u></em><em><u> it</u></em><em><u> helps</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>

4 0
3 years ago
There were three parts to Rita's race. She ran the first part, which was 4/9
Igoryamba

The second part of Rita's race is about 1800 meters at a speed of 150 meters per minute.

<h3>Speed</h3>

let

  • distance covered in first Part = d1
  • distance covered in second Part = d2
  • distance covered in third Part = d3
  • speed covered in first Part = s1
  • speed covered in second Part = s2
  • speed covered in third Part = s3

Distance in second Part:

d₃ = 15 x 300

= 4500 m

d₂ = 2/5 × d₃

= 2/5 x 4500

d₂ = 1800 meters

Speed in second part:

S₂ = 1800 m / 12 min

S₂ = 150 meters per minute

Learn more about distance:

brainly.com/question/4931057

#SPJ1

5 0
2 years ago
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