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Romashka-Z-Leto [24]
3 years ago
12

Evaluate the expression for the given value. 3x(x−2), when x=7

Mathematics
1 answer:
Alexeev081 [22]3 years ago
6 0

Answer:

105

Step-by-step explanation:

Substitute X for 7:      3(7)(7-2)

Simplify:                      21(5)

Multiply:                       105

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kati45 [8]

Answer:

I'm not 100% if its right but I think its 4:2.

Step-by-step explanation:

8 0
2 years ago
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The answer is yes

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What is the volume of three cubes, each with a side length of 1/3 foot? V = s3, where s is the side length.
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8 0
3 years ago
The scale drawing of a concrete pad has a length of 9.1 cm, a depth of 2.2 cm and a width of 3.8 cm.
pogonyaev

Answer:

242 cm  

Step-by-step explanation:

1. Find the scale factor

A scale factor (SF) is the ratio of two corresponding lengths in similar figures.

SF = actual distance/scale distance

If the scale width is 3.8 cm,

SF = 418 cm/3.8 cm = 110

2. Calculate the actual depth

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8 0
3 years ago
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Which equation would you use to find how high the bird is flying?
damaskus [11]

Answer:

The first one

Step-by-step explanation:

An easy way is SOH CAH TOA

SOH is that you use sine if you there is the opposite (in this case the question mark) and hypotenuse (the diagonal line)

CAH is that you use cosine for the adjacent side (1100) and the hypotenuse.

TOA is using tangent for the opposite and adjacent side.

To fine the question mark, you would use tangent. And plug in the given (1100 for the adjacent). So tan45 = x/1100.

If you need more help or clarification, let me know!

6 0
3 years ago
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