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Naily [24]
3 years ago
14

Write an inequality equation equivalent to 3x – 4y = 8?

Mathematics
1 answer:
Natalka [10]3 years ago
4 0

Answer:

3x-4y=8

-4y=8-3x (subtracting 3x from each side of the equation)

-4y/-4=(8-3x)/-4 (dividing each side of the equation by -4)

y=-2+3/4x

y=3/4x-2

Step-by-step explanation:

Hope you like my answer

lol

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Step-by-step explanation:

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Step-by-step explanation:

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3 0
3 years ago
"The sum of seven-eighths of a<br> number and 20 is 34 at minimum."
Gennadij [26K]

Answer:

Anything greater than or equal to 17.

Step-by-step explanation:

7/8 of 17 is 14.875

6 0
3 years ago
. The new saleswoman at Clocks Unlimited was very good. During her first day on the job she sold at least two of each of the thr
LiRa [457]

Answer:

5

Step-by-step explanation:

Let the number of the kitchen clock sold =a

Let the number of the cuckoo clock sold =b

Let the number of the two-foot high grandfather clocks sold =c

The new saleswoman sold at least two of each of the three models.

Therefore:

a\geq 2\\b \geq 2\\c \geq 2

In all, she collected $300 from selling these models alone

17a+31b+61c=300

17(2)+31(2)+61(2)=218

300-218=82

Next, we try to express the remainder (82) in terms of 17, 31 and 61

82=17(3)+31

Therefore, she sold:

  • 5 kitchen clocks
  • 3 cuckoo clocks
  • 2 two-foot high grandfather clocks

She sold 5 $17 clocks.

CHECK:

17(5)+31(3)+2(61)=$300

4 0
3 years ago
The Talbot family got 2 pizzas and 4 drinks for $32. The Martinez family got 3 pizzas and 8 drinks for $52. How much does each p
Brrunno [24]

Answer:

Each pizza costs $12.

Each drink costs $2.

Step-by-step explanation:

This question can be solved using a system of equations.

I am going to say that:

x is the cost of each pizza.

y is the cost of each drinks.

The Talbot family got 2 pizzas and 4 drinks for $32.

This means that 2x + 4y = 32

The Martinez family got 3 pizzas and 8 drinks for $52.

This means that 3x + 8y = 52

Using the addition method, multiplying the first equation by -2.

-4x - 8y = -64

3x + 8y = 52

-4x + 3x - 8y + 8y = -64 + 52

-x = -12

x = 12

Each pizza costs $12.

2x + 4y = 32

2x + 4y = 32

4y = 32 - 2x

4y = 32 - 2*12

4y = 8

y = 2

Each drink costs $2.

5 0
3 years ago
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