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gtnhenbr [62]
2 years ago
15

What gradient is shown in the graph

Mathematics
1 answer:
Lelu [443]2 years ago
5 0

Answer:

-2/1 or -2

Step-by-step explanation:

in an equation this would be y=-2x-3

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A ship traveled for a total of 147 miles over the course of 8 hours. Heading south, the ship traveled at an average speed of 15
Cloud [144]
Alright

s=number of hours headd south
e=number of hours headed east

s+e=8

and
total is 147 miles
distance=speed times time
15s+24e=147


we got 2 equations


s+e=8
15s+24e=147
subsitution

s+e=8
minus e both sides
s=8-e
subsitut 8-e for s in other equaton

15s+24e=147
15(8-e)+24e=147
120-15e+24e=147
120+9e=147
minus 120 both sides
9e=27
divide both isdes by 9
e=3

sub back
s=8-e
s=8-3
s=5

it was headed south 5 miles

6 0
2 years ago
Helpppp I’ll give u BRAINLy
Vlada [557]
Yes I need points so I’m commenting random stuff lolololo
3 0
2 years ago
Select the solution(s) of log2x=1−log(x+4).
mart [117]

Step-by-step explanation:

log2x = 1 - log(x+4)

log2x = log10 - log(x+4)

log2x = log[10/(x+4)]

2x = 10/(x+4)

2x(x+4) = 10

2x² + 8x - 10 = 0

÷2 both sides of equation

x² + 4x - 5 = 0

(x+5)(x-1) = 0

x = -5, 1

x isn't be -5 because logA, A need to be > 0

So, x value is 1

7 0
2 years ago
Multiply 3x(2x-1) by following these steps
siniylev [52]

Answer:

6x^2-3x

Step-by-step explanation:

3x(2x-1)= \\\\3x(2x)-3x(1)= \\\\6x^2-3x

Hope this helps!

8 0
3 years ago
Read 2 more answers
In two or more complete sentences, describe how you would draw the graph of the solution set for the following inequality.
vovikov84 [41]

Answer:

Step-by-step explanation:

Like this:

4 0
2 years ago
Read 2 more answers
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