2 years ago

Can someone help me please

Mathematics

1 answer:

Oksana_A [137]2 years ago

7 0

Answer:

The inequality is 3 + 2x ≥ 13

x ≥ 5

Step-by-step explanation:

on a number line, draw the line starting on 5 with a SHADED IN circle going infinitely to the right.

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Solve the equation:<br> <img src="https://tex.z-dn.net/?f=%5Cfrac%7B21%20-%204x%7D%7B9%7D" id="TexFormula1" title="\frac{21 - 4x

schepotkina [342]

Answer:

$x = -\frac{12}{5}$

Step-by-step explanation:

To solve the equation, isolate x. Whatever you do to isolate x one on side, you must do to the other.

1) Multiply both sides by 9 to get rid of the fractions.

$\frac{21-4x}{9} +\frac{8x+15}{3} = 2 \\21-4x + 3(8x + 15) =18 \\$

2) Distribute the 3 to 8x and 15. Then, combine like terms.

$21-4x + 24x + 45 = 18 \\66 + 20x = 18$

3) Move the 66 to the other side, subtracting 18 by 66, then divide each side by 20 to finally isolate x.

$20x = -48\\x = -\frac{48}{20} \\x =- \frac{12}{5}$

Thus, $x = -\frac{12}{5}$ .

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3 years ago

At Lawson Middle School, Mr. Hernandez asked 90 randomly selected students from each grade level for their favorite subject, and

kogti [31]

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3 years ago

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Solve B+B=2 B+C=5 B+C*2=

Illusion [34]

B+B=2

assuming that B is 1 I will say that 4 is C.

4+1*2= 10 is your answer.

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2 years ago

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3 years ago

What is five x plus negative three equals fifteen

bearhunter [10]

You write the equation like this:
$5x + (-3) = 15$

But if you want to solve it then you do it like this:
$5x + (-3) = 15$
$5x - 3 = 15$
$5x = 18$
$x = 18/5$

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3 years ago

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