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FromTheMoon [43]
3 years ago
11

Y = 5x + 8; if x = 3 helppp

Mathematics
2 answers:
densk [106]3 years ago
8 0

Answer:

y=23

Step-by-step explanation:

Given , y=5x+8 if x=3

y= 5×3+8

y=15+8

y=23

.'. y=23 is Ans

Katyanochek1 [597]3 years ago
3 0
Y = 5 x 3 + 8
y = 15 + 8
y = 23
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fenix001 [56]

Answer:

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Step-by-step explanation:

6 0
3 years ago
4) Solve each pair of simultaneous equations.
Mkey [24]
4) a. x+y=1–(1)
y=2x-8—(2)
(2) into (1)
x+(2x-8)=1
3x-8=1
3x=1+8
x=9/3
x=3—(3)
(3) into (2)
y=2(3)-8
y=-2

ans x=3, y=-2

b. x+y=19—(1)
y=5x+1—(2)

(2) into (1)

x+(5x+1)=19
6x+1=19
6x=19-1
x=18/6
x=3—(3)

(3) into (2)

y=5(3)+1
y=16

ans x=3, y=16

c.x+y=-2—(1)
y=x-10—(2)

(2) into (1)

x+(x-10)=-2
2x-10=-2
2x=-2+10
x=8/2
x=4–(3)

(3) into (2)
y=4-10
y=-6

ans x=4, y=-6


5) 3x=y—(1)
x=y-16–(2)

(2) into (1)

3(y-16)=y
3y-48=y
2y=48
y=48/2
y=24–(3)

(3) into (2)

x=24-16
x=8

ans x=8, y=24
7 0
2 years ago
DONT REALLY NEED ANY HELP OR ANYTHING PLZ DONT ANSWER WILL NOT GIVE BRAINLIEST
musickatia [10]

Answer:

Hi

Step-by-step explanation:

7 0
3 years ago
Round 4,567 to the nearest thousand
Alisiya [41]

Answer:

5,000

Step-by-step explanation:

5-up round up 4-down round down

8 0
2 years ago
Read 2 more answers
If the areas of two similar hexagons are to each other as 5 : 2, and one side of the first hexagon is 25, what is the correspond
Inessa05 [86]
5:2 = 25:x

25 = 5 * 5
so
x = 2 * 5 = 10


its D
3 0
3 years ago
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