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svp [43]
3 years ago
6

What do physical changes do?

Mathematics
2 answers:
Mariana [72]3 years ago
8 0

Answer:

Affect the size, shape, or phase of a substance.

Step-by-step explanation:

frutty [35]3 years ago
3 0
Affect the size, shape, or phase of a substance.
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The angle looking up at the sun is 70°. A flagpole casts a shadow of 15 ft. Draw a diagram and find the height of the flagpole
deff fn [24]

Answer:

The length of the flagpole be 41.2 ft .

Option (A) is correct .

Step-by-step explanation:

As given

The angle looking up at the sun is 70°.

A flagpole casts a shadow of 15 ft .

Now by using the trignometric identity .

tan \theta = \frac{Perpendicular}{Base}

\ theta = 70^{\circ}

tan\ 70^{\circ} = \frac{AB}{BC}

BC = 15 ft

tan 70° = 2.75 (Approx)

2.75 = \frac{AB}{15}

AB = 2.75 × 15

     = 41.2 ft

Therefore the length of the flagpole be 41.2 ft .

Option (A) is correct .

4 0
3 years ago
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Which expression represents the length, in inches,<br> of the framed picture?
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Answer:

No solution is posible from the information provided

Step-by-step explanation:

6 0
2 years ago
What is the answer to:<br> -4(2x+2) &lt;-40
mars1129 [50]

Answer: x > 6

Step-by-step explanation:  -4(2x+2) < -40

-8x - 8 < -40

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/-8x   /-8x

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1 year ago
The machinist's goal was to increase his production by at least 10% each day. Assume he achieved his goalIf he was able to machi
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25 x 0.1 = 2.5 ≈ 3

25 + 3 = 28

The machinist would make about 28 on Wednesday

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2 years ago
Garrett throws a dart at a circular dartboard. The dartboard has a radius of 18 inches, and the bull’s eye in the center of the
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Answer:

D. 4.5%               Hope this helps

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3 years ago
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