4 years ago

PLEASE HELP Which is the function represented by the table?

Mathematics

1 answer:

Ulleksa [173]4 years ago

4 0

Answer:

f(x) = 4x

Step-by-step explanation:

-2 x 4 = -8

-1 x 4 = -4

0 x 4 = 0

1 x 4 = 4

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What is the solution to the equation 4/5x=3/10(x+4)?

Anastasy [175]

Answer:

$\frac{12}{5}$

Step-by-step explanation:

4/5x=3/10(x+4) / · 10

8x=3(x+4)

8x=3x+12

8x-3x=12

5x=12 /:5

x=12/5

5 0

3 years ago

Guys if you could help me in #1 #2 #3 #4

dsp73

1. $14.1
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4 years ago

Solve each pair of simultaneous equations by elimination method.<br>a) 2x+3y-1=0<br> 5x+2y+3=0

Tanzania [10]

Make x the subject
2x = -3y + 1
5x = -2y -3

now times the answers to get the lcd

(2x = -3y + 1) x 5
10x = -15y + 5

(5x = -2y -3) 2
10x = -4y -6

now that they are equal to the same number:
-15y + 5 = -4y -6
-15y + 4y = -6 -5
-11y = -11
y = 1

now to find x we substitute y
2x = -3y + 1
2x = -3(1) + 1
2x = -3 + 1
2x = -2
x = -1

5 0

2 years ago

Read 2 more answers

roger stan and steve have a standard deck of cards each of them draw a card from the deck find the probability of roger drawing

tatiyna

roger

1/5

steve

0/5

stan

1/5

5 0