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ki77a [65]
3 years ago
13

$\triangle abc$ and $\triangle dbc$ share $bc$. $ab = 5\ \text{cm}$, $ac = 12\ \text{cm}$, $dc = 8\ \text{cm}$, and $bd = 20\ \t

ext{cm}$. what is the least possible integral number of centimeters in $bc$?
Mathematics
1 answer:
Ratling [72]3 years ago
6 0
What terms govern the length of this side?The basic rule of the triangle.First side length must be less than the sum of the other two sides.So to find X we must take the largest side of the triangles and compare them with amounts from other sides.

5+x>12
8+x>20    and it's system

x>7
x>12
general solution is x>12
<span>The least possible integral is 13.

PS: It's may be </span>yet 12, but in this case, triangle  BCD become segment.
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Help me plz plz plz plz plz plz plz plz
vagabundo [1.1K]
If two shapes are 'similar', it means that the dimensions of the shapes have the same ratio towards each other. In this example, we can see that the side with a length of 2 correlates to the side with a length of 4. That means, the scaling ratio is 4:2, which can be reduced to 2:1.

The next step is to look at the other side. We know that the width of the smaller shape is 1, and that the second shape is twice the size of the smaller shape (which is what a scale of 2:1 means). Therefore, you just need to multiply the known width by two to get the unknown.

1 * 2 = 2

The missing side _d_ has a length of 2.
Hope that helped =)
8 0
3 years ago
What fraction is closer to 1?
boyakko [2]

Answer:

<u>11/12</u><u> </u><u>is</u><u> </u><u>the</u><u> </u><u>fraction</u><u> </u><u>that</u><u> </u><u>is</u><u> </u><u>closer</u><u> </u><u>to</u><u> </u><u>1</u><u>.</u>

3 0
3 years ago
Read 2 more answers
A man bought a refrigerator, an air conditioner, a TV set and a gas cooker for $150.00, $400.00, $180.00 and $300.00 respectivel
MaRussiya [10]

Answer:

1184.5

Step-by-step explanation:

150+400+180+300=1030

1030 × 15% = 154.5

(15% is also 0.15)

1030 + 154.5 = 1184.5

I hope this helps you :)

4 0
3 years ago
1. Melissa went to lunch with two friends. She purchased 3 corn dogs, 2 fruit cups, and
Lena [83]

Answer:

14 is the answer.

Step-by-step explanation:

7 0
3 years ago
Could someone help me with this question
Lelechka [254]

Answer:

try b=32

Step-by-step explanation:

6 0
3 years ago
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