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ollegr [7]
2 years ago
12

Which of the following is a flat surface that extends infinitely, has length and width, but does not have depth?

Mathematics
2 answers:
disa [49]2 years ago
4 0

Answer:

plane is the correct answer

Fantom [35]2 years ago
4 0
Plane because it doesn’t stop extending and does not go down, think of a piece of paper.
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A copy machine makes 119 copies in 4 minutes and 15 seconds. how many copies does it make per minute?
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The answer is roughly 21.4 copies per minute
an estimate

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3 years ago
1/4 plus 4/5(3/4x - 1 1/9)
ANTONII [103]

Answer:

\frac{3}{5}x+-\frac{131}{180}

6 0
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When asked about favorite Thanksgiving leftovers, 5% of the people said turkey and 7/100 said mashed potatoes. Which food was mo
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Step-by-step explanation: 7/100 written as a percentages is 7%

5 0
2 years ago
Read 2 more answers
Two corresponding sides of similar triangles are 2 cm and 5 cm. What is the area of the second triangle if the area of the first
Stella [2.4K]

Answer:

(1) Area of second triangle= 50 cm^2.

(2) Area of ΔABC=98 cm^2.

   and Area of ΔDFG=175 cm^2.

Step-by-step explanation:

<em>" For two similar triangles the ratio of sides is equal to the ratio of square of their areas".</em>

i.e. if a,b are the corresponding sides of two similar triangles and let A and B denote the area of two triangles then we have the relation as:

\dfrac{a^2}{b^2}=\dfrac{A}{B}

(1)

for the first question:

we have a=2, b=5.

A=8 cm^2.

Hence,

\dfrac{2^2}{5^2}=\dfrac{8}{B}\\\\\dfrac{4}{25}=\dfrac{8}{B}

B=50 cm^2.

Hence, the area of second triangle is 50 cm^2.

(2)

In second option we have:

a=6 and b=5.

A-B=77 cm^2.

A=77+B

\dfrac{6^2}{5^2}=\dfrac{A}{B}\\  \\\dfrac{36}{25}=\dfrac{77+B}{B}\\  \\36B=25\times77+25B\\\\36B-25B=25\times77\\\\11B=25\times77\\\\B=25\times7\\\\B=175

Hence area of second triangle i.e. ΔDFG is 175 cm^2.

and area of first triangle i.e. ΔABC=175-77=98 cm^2.




8 0
2 years ago
Solve. 3t &lt; –15 (1 point)<br> t &lt; –5<br> t &gt; –5<br> t &lt; –45<br> t &gt; –45
Kipish [7]
I hope this helps you



3t÷3 < -15÷3


t < -5
8 0
3 years ago
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