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3 years ago

10

On a string of lights for every six screen lights there are four white if there are 30 green lights how many white lights are th

ere

1 answer:

Leya [2.2K]3 years ago

4 0

I'm pretty sue the answer is 5

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Pls help me with this

alexgriva [62]

Answer:

x = 1.5

Step-by-step explanation:

Given

$\frac{x}{2} \geq 0.75$

$\frac{x}{2} < 2.5$

Required

Find the value of x.

First, the inequalities need to be rewritten and merged;

if $\frac{x}{2} \geq 0.75$ , then

$0.75 \leq \frac{x}{2}$

Multiply both sides by 2

$2 * 0.75 \leq \frac{x}{2} * 2$

$1.5 \leq x$

Similarly;

$\frac{x}{2} < 2.5$

Multiply both sides by 2

$2 * \frac{x}{2} < 2.5 * 2$

$x < 5$

Merging these results together; to give

$1.5 \leq x < 5$

This means that the range of values of x is from 1.5 to 4.9999....

From the question, x is the smallest rational number; from the range above ( $1.5 \leq x < 5$ ), the minimum value of x is 1.5 and 1.5 is a rational number;

Hence, x = 1.5

4 0

2 years ago

Wering a one-step expression for a real-world situation

Crazy boy [7]

Answer:

4d (the variable is usually x, though).

Step-by-step explanation:

Because 4 x the amount of fish in each tank = total amount of fish

8 0

2 years ago

Sedbober [7]

6
84
91
395
All these are rounded to the nearest whole number

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3 years ago

What is the solution to the system of equations?

vesna_86 [32]

The correct answer is (10,-20), because the equation already gives you the correct x value. Then, from there you just plug 10 in for x in the y equation. Giving you a -20, :)

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2 years ago

A student has gotten the following grades on his tests. What is the minimum grade he must get on the last test in order to have

Schach [20]

Where are the following grades ? how am i supposed to answer without all parts of the question .

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2 years ago