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NNADVOKAT [17]
2 years ago
14

Solve the inequality -9x/11 - 7 < -5.

Mathematics
1 answer:
Nuetrik [128]2 years ago
3 0
-9x/11 -7< -5
         +7    +7
-9x/11 < 2
     *11 < *11
-9x < 22
/-9    /-9
x> 2.4

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1. Kristen spent $131 on shirts at Target last week. She bought some fancy shirts for
Masja [62]

Answer:

Kristen bought 2 fancy shirts and 5 plain t-shirts.

Step-by-step explanation:

Given that,

Kristen spent $131 on 7 shirts.

Cost of one fancy shirt = $28

Cost of one plain t-shirt = $15

Let,

x be the number of fancy shirts

y be the number of plain t-shirts

x+y = 7       Eqn 1

28x+15y=131    Eqn 2

Multiplying Eqn 1 by 15

15(x+y=7)

15x+15y=105    Eqn 3

Subtracting Eqn 3 from Eqn 2

(28x+15y)-(15x+15y)=131-105

28x+15y-15x+15y=26

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Dividing both sides by 13

\frac{13x}{13}=\frac{26}{13}\\x=2

Putting x=2 in Eqn 1

2+y=7

y=7-2

y=5

Hence,

Kristen bought 2 fancy shirts and 5 plain t-shirts.

3 0
3 years ago
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Zarrin [17]

Answer:

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Step-by-step explanation:

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7 0
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kvasek [131]
Answer:
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Step by step explanation:
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PLEASE HELP ME WITH THIS AND EXPLAIN :)
PSYCHO15rus [73]
So first, you need to find the y intercept and slope of the line/function.
then, you just plug it in to y=mx+b form
this one would be:
slope of -5/4
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so it would be y=-5/4+2
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