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True [87]
3 years ago
13

Is this a function or not a function?

Mathematics
1 answer:
s344n2d4d5 [400]3 years ago
7 0
No it is not a function
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A pole that is 3.1m tall casts a shadow that is 1.29m long. At the same time, a nearby building casts a shadow that is 44.75m lo
Mkey [24]
Let b=height of building.   By similar triangles we can say:

b/44.75=3.1/1.29

b=44.75*3.1/1.29

b≈107.54

b≈108 meters  (to the nearest whole meter)
8 0
4 years ago
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Maria says if I multiply the current temperature by 4 and then subtract 40 the results is the same as 3 times the current temper
astra-53 [7]

Answer:

No, Richard is incorrect, the current temperature is 40 degrees.

Step-by-step explanation:

4x-40=3x

4x-3x=40

x=40

4 0
3 years ago
Round 613100 to nearest hundreds
Sphinxa [80]

Answer:

613000

Step-by-step explanation:

if the hundred fall on a number and it it less than 5 you will just write or turn it to 0 but if it is more than 5 you will take one from the 5 add it to the number that comes before the number and make the remaining 0

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3 years ago
What is the answer to these for problems I really need a lot of help
Sedaia [141]
If you can post a photo zoomed out less so I can see all the numbers in the questions I can help you, but all you need to do is plug in the value for the variable
3 0
4 years ago
Calculate the area of triangle ABC with altitude BD, given A (−6, 0), B (0, 0), C (0, 6), and D (−3, 3).
nata0808 [166]

Answer:

  • 18 unit²

Step-by-step explanation:

If BD is altitude then AC is the base.

<u>The length of AC is:</u>

  • AC = \sqrt{6^2+6^2} = 6\sqrt{2}

<u>The length of BD is:</u>

  • BD = \sqrt{3^2 + 3^2} = 3\sqrt{2}

<u>The area is:</u>

  • A = 1/2bh
  • A = 1/2 * 6\sqrt{2} *3\sqrt{2} = 18 unit²
4 0
3 years ago
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