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2 years ago

Which would the phrase "twice the difference of a number and 5" look like as a variable expression? A) 2(x-5)

2 answers:

6 0

It is A. To solve this, you have too read it like this:

twice = 2x
difference of a number and 5 = ( $x$ -5)

2x(( $x$ -5))
2(x-5)

Ira Lisetskai [31]2 years ago

4 0

A) 2 (x-5)
because difference means subtraction and it is twice that

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2 years ago

Plssss help thankyou

natta225 [31]

Answer:

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Step-by-step explanation:

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Another way you could think about it:

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2 years ago

A lamp is in sale, and it’s price is reduce from $80 to $50

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Answer:

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Step-by-step explanation:

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3 years ago

PLEASE HELP ME!

schepotkina [342]

Answer:

76.8

Step-by-step explanation:

Using the proportion

$\frac{120}{100}$ → Percent is out of 100

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3 years ago

I now have another question to ask.

marissa [1.9K]

Answer:

23.6 ft

Step-by-step explanation:

Sketch a right triangle representing this situation. The length of the hypotenuse is 26 ft and the angle of elevation from ground to top of ladder is 65°. The "opposite side" is the reach of the ladder, which we'll call x.

Then:

opp

sin 65° = ----------
26 ft

or (26 ft)(sin 65°) = opp side = height off the ground of top of ladder.

Evaluating this, we get:

(26 ft)(0.906) = 23.56 ft, or, rounded off, 23.6 ft

The ladder reaches 23.6 ft up the side of the building.

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3 years ago