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Anuta_ua [19.1K]
2 years ago
5

{3x+y=7{-2x+y=-3 please

Mathematics
1 answer:
fredd [130]2 years ago
7 0

Answer:

x=\frac{4}{5}

y=\frac{23}{5}

Step-by-step explanation:

Look at the pictures!

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What is the equation of a line that has an x-intercept of -4 and a y-intercept of 8 ?
podryga [215]

Answer:

y=2/-1+8

Step-by-step explanation:

  • -4= (-4,0) -4=x1 0=y1, 8= (0,8) 0=x2 8=y2
  • formula is, y2-y1/x2-x1
  • 8-0/0-4=8/-4=4/-2= 2/-1
  • 2/-1 is the slope or (m), use (-4,0) or (0,8) i used (0,8) because its easier.
  • (0,8), 0=x1 8=y1
  • formula is y-y1=m(x-x1)
  • y-8=2/-1(x-0) ---->distribute
  • y-8=2/-1x-0 --->get y alone

          +8          +8

  • so the answer is y=2/-1+8

7 0
3 years ago
The area of ​​the bottom of the two cylindrical vessels A and B is 400cm ^ 2 and 300cm ^ 2, respectively. A jar is about 6cm hig
Sonbull [250]

Answer:

Water in container B will be at 6.own

Step-by-step explanation:

calculate the volume in cont. A

VoA=400×6

=2400cm cube

VoB=420ml

=420cm cube [1ml=1cm cube]

now add both volumes

V=2400+420

=2820cm cube

Now,

2820 cm cube in jar B so

2820=420×h

h=6.71

4 0
3 years ago
Solve for x: -3x + 3< 6
Katarina [22]

Answer:

x > -1

Step-by-step explanation:

-3x + 3< 6
-3x < 3
  x > -1
Hope it helped !
Adriel

8 0
2 years ago
Read 2 more answers
HELP PLEASE ASAP!! WILL GIVE BRAINLIEST ❤️
Wewaii [24]

Answer:

slope=4

Step-by-step explanation:

m=y2-y1/x2-x1

4-(-4)=8

5-3=2

8/2=4

hope this helps :3

if it did pls mark brainliest

6 0
3 years ago
-x + 3 = 7<br><br> X=-4<br> X= 7<br> X= 4<br> X = -7
vladimir2022 [97]

Answer:

x = -4

Step-by-step explanation:

Step 1: Write equation

-x + 3 = 7

Step 2: Solve for <em>x</em>

  1. Subtract 3 on both sides: -x = 4
  2. Divide both sides by -1: x = -4

Step 3: Check

<em>Plug in x to verify it's a solution.</em>

-(-4) + 3 = 7

4 + 3 = 7

7 = 7

6 0
3 years ago
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