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3 years ago

Write an inequality that represents the situation below.

Mathematics

1 answer:

Morgarella [4.7K]3 years ago

6 0

Answer:

16 $\geq$ x

Step-by-step explanation:

The information given tells us that students bring a maximum on 16 dollars for lunch. So the inequality would be 16 $\geq$ x , where x is the amount students bring. It's important to note the less than or equal to, since the statement says that 16 dollars is fine.

I hope this helps!

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Solve x+5y=11 and -x+4y=7 using elimination

ddd [48]

Answer: (1, 2)

Concept:

There are three general ways to solve systems of equations:

Elimination
Substitution
Graphing

Since the question has specific requirements, we are going to use elimination

Solve:

Given expressions

x + 5y = 11

-x + 4y = 7

Add both equations together to elimination [x] variable

(x + 5y) + (-x + 4y) = 11 + 7

x - x + 5y + 4y = 18

9y = 18

Divide 9 on both sides

9y / 9 = 18 / 9

$\boxed{y=2}$

Find the x value

x + 5y = 11 ⇔ Given equation

x + 5(2) = 11 ⇔ Substitute values of y

x + 10 = 11 ⇔ Simplify by multiplication

x + 10 - 10 = 11 - 10 ⇔ Subtract 10 on both sides

$\boxed{x=1}$

Hope this helps!! :)

Please let me know if you have any questions

5 0

3 years ago

Read 2 more answers

Write a fraction that is less then 5/6 and has a denominator of 8

Verdich [7]

So we want to write a fraction that is less than 5/6 and has a denominator of 8. So lets start from 1/1 that is greater then 5/6 and doesn't have 8 as a denominator. Lets take one half from 1/1 and well get 1/2.

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3 years ago

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Given: RS = 3x - 16 ST = 4x - 8 RT = 60 Solve for RS.

Aleks04 [339]

The value of RS in the line segment is 20

To solve for RS :

From the line segment attached :

The information given is :

RS = 3x - 16

ST = 4x - 8

RT = 60