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Neporo4naja [7]
3 years ago
15

What is the value of x?

Mathematics
1 answer:
Nikolay [14]3 years ago
6 0

Answer:

5 units (you are right!)

Step-by-step explanation:

The triangles ABD and BCD are similar.

Therefore,

\frac{x}{10}=\frac{10}{4x} \\4x^{2}=100\\x^{2}=25\\x=5

I hope this helped!

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Which polygon appears to be regular?
slega [8]

Answer:

The polygon that appears to be regular is Figure B

3 0
3 years ago
What is the volume of the cone to the nearest whole number?
oee [108]

Answer:

B

Step-by-step explanation: The formula to find the cone’s volume is r^2 x height x pi x 1/3

7 0
4 years ago
Hank and Lynn are both paying off car loans. • Hank paid $2,000 up front when he bought his car, and he pays $200 each month. •
8090 [49]

Answer:

Yes

Step-by-step explanation:

<h3>Hank</h3>

Hank paid $2,000 upfront when he bought his car, and he pays $200 each month.

<u> This relation is:  </u>

  • H(x) = 2000 + 200x

This is proportional but not directly proportional.

<h3>Lynn</h3>

Lynn did not pay any money upfront when she bought her car, and she pays $275 each month.

<u>  This relation is:  </u>

  • L(x) = 275x

This is directly proportional.

<u>So the answer is:</u>

Yes, the relationship between the number of months and the total amount paid is proportional for both Hank's and Lynn's loans.

8 0
3 years ago
Please help! A rectangle with an area of 104 square centimeters has a length and width in a ratio of 13:2.
Ghella [55]

Answer:

length = 26 cm

width = 4 cm

Step-by-step explanation:

A = 104 cm²

A = length x width

ratio of length and width = 13 : 2

total ratio of length and width is 15 = a

so ratio of length is (13/15)a and width (2/15)a

A = length x width = (13/15)a x (2/15)a = (26/225)a² = 104

a² = 104 x 225 : 26 = 900

a = 30cm

length = (13/15)a = 13/15 x 30 = 26 cm

width = (2/15)a = 2/15 x 30 = 4 cm

4 0
3 years ago
I have got this answered this but instructor give me comments of wrong answers
Sergio039 [100]

Answer:

2 cubic feet

Step-by-step explanation:

Convert all the lengths to feet round them to tenths then multiply them.

The answer you have got should be also correct as you have multiplied all the lengths then converted to cubic feet. Since your instructor has said that this is wrong this seems to be the only option remaining.

1 feet = 12 inches

12"=\frac{12}{12}=1'

14"=\frac{14}{12}=1.16=1.2'

20"=\frac{20}{12}=1.66=1.7'

1\times 1.2\times 1.7=2.04=2.0\ ft^3

6 0
4 years ago
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