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3 years ago

Help me with this please

Mathematics

1 answer:

Kryger [21]3 years ago

7 0

The answer is b which is -1,092

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Where is the rest of the question?

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What is the slope of ( 6 , − 6 and ( − 18 , 3 )

jenyasd209 [6]

Answer:

The slope is -3/8

Step-by-step explanation:

(6,−6);(−18,3)

(x1,y1)=(6,−6)

(x2,y2)=(−18,3)

Use the slope formula:

m= y2−y1 /x2−x1

3−−6 /−18−6

9 /−24

−3 /8

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Step-by-step explanation:

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3 years ago

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Lines DE and AB intersect at point C. What is the value of x? 12 25 38 52

aniked [119]

Answer:

(B)25

Step-by-step explanation:

From the given diagram:

$\angle ACE$ and \angle ECB$ are on a straight line, and we know by the Linear Postulate that the sum of angles on a straight line is 180 degrees.

Therefore:

$\angle ACE$ + \angle ECB=180^\circ$ (Linear Postulate)\\(2x+2)^\circ+(5x+3)^\circ=180^\circ\\$Collect like terms\\2x+5x+2+3=180\\7x+5=180\\$Subtract 5 from both sides\\7x+5-5=180-5\\7x=175\\$Divide both sides by 7\\7x\div 7=175\div 7\\x=25^\circ$

The correct option is B.

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Which expression is equivalent to 1/2x+(−7)−2 1/4x−(−2

Lynna [10]

The equivalent expression to the given expression is $\mathbf{=-(\dfrac{7}{4}x+5)}$

<h3>What is an algebraic expression?</h3>

Algebraic expressions are mathematical expressions. They usually consist of one or more variables with their coefficients and arithmetic operators such as: (division, multiplication, addition, and subtraction).

From the given expression, we are to determine an expression that is equivalent to:

$=\dfrac{1}{2}x + (-7) -2 \dfrac{1}{4}x -(-2)$

To do this, we are going to simplify the above-given expression to its lowest term since we are not given any options to choose equivalent expressions from.

By doing so, we have:

$=\dfrac{1}{2}x -7 -\dfrac{9}{4}x +2$