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fomenos
3 years ago
6

a telephone booth that is 8 ft tall casts a shadow that is 4 ft long . find the height of a lawn ornament that casts 2 ft shadow

Mathematics
1 answer:
Molodets [167]3 years ago
6 0
1/2 of 8 is 4 so then 1/2 of 4 is 2 
so the lawn ornament is 4 ft
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A group of researchers investigated the effects of bed room lighting conditions in developing eye sight problems and found that
iogann1982 [59]

Answer:

Step-by-step explanation:

From the given information:

We are to find the following:

1)

Directional hypothesis: The directional hypothesis is the groups with different bedroom lightning conditions having a different proportion of eyesight proportions.

2)

The non directional hypothesis is each group having the same proportion of eyesight problems regardless and independent of the condition of the bedroom lightning.

3)

Control group: Children that slept in darkness

4)

Experimental groups: Children that slept in night light and those that slept with lamp.

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Independent variable: Light condition of the bedroom

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3 0
2 years ago
There is a 10% off sale on laptop computers. If someone saves $35 on a laptop, what was its original cost?
IceJOKER [234]

Answer:

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Step-by-step explanation:

Let's assume

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now, we are given

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and then we can solve for x

0.10x=35

we can divide both sides by 0.10

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4 0
3 years ago
Can someone please give me the answer to this
Nonamiya [84]

Hello!

\large\boxed{y = 2x - 4}

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7 0
3 years ago
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marysya [2.9K]

Answer:

228.4cm²

Step-by-step explanation:

Find the diagram attached

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P = 5cm + 5cm + 4cm

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h = 15cm

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B  = 1/2 * 4.6 * 4

B = 4.6 * 2

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Substitute the values into the formula;

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Total surface area of the prism = 210 + 18.4

Total surface area of the prism = 228.4cm²

Hence the total surface area of the triangular prism is 228.4cm²

7 0
3 years ago
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