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goldfiish [28.3K]
3 years ago
10

Help please !!!! I need help

Mathematics
2 answers:
Stells [14]3 years ago
6 0
6x^2-10x^2= -4x^2 then -5x+8=-13 and then -8 turns positive. So the answer would be -4x^2-13x+8
timofeeve [1]3 years ago
5 0

Answer:

ok

Step-by-step explanation:

bmnvkvv

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Y varies directly with x. If y=25 when x=5, find y when x =-4<br><br>y =​
alina1380 [7]

Answer:

y = -20

Step-by-step explanation:

Given that y varies directly with x it means changing x will also cause change in y

Mathematically it can be written as:

y∝x

Removing the proportionality symbol

y = kx

Given y=25 when x=5 Putting the values

25 = k(5)\\k = \frac{25}{5}\\k = 5

Now

y = 5x

We have to find the value of y when x = -4

Putting x=-4

y = 5(-4)\\y = -20

Hence,,

y = -20

7 0
2 years ago
Hi does anyone know this it is important please help me due tonight i will do anything
Inessa [10]

Answer:

$20

Step-by-step explanation:

Total cost of items bought

= $31.21 +$12.75 +$13.25

= $57.21

Remaining cost after paying $40

= $57.21 -$40

= $17.21

Amount borrowed

= change +$17.21

= $2.79 +$17.21

= $20

4 0
2 years ago
Read 2 more answers
1. Write 1/5 as a decimal
bija089 [108]

Answer:

1.5

1.5%

10/0

7/20

35.1%

8.20%

8.20

Step-by-step explanation:

there u go

7 0
3 years ago
What is the measure in degrees of the third angle ?
Illusion [34]

Answer:

C

Step-by-step explanation:

sum of angles in tri are 180

180-35-36=109

7 0
2 years ago
Read 2 more answers
What is the greatest common factor of 15 and 64
SCORPION-xisa [38]
15 = 3*5
64= 2*2*2*2*2*2

There are no common factors so the GCF is 1
5 0
2 years ago
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