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ICE Princess25 [194]
2 years ago
7

Find the value of the variable. If the answer is not a whole number, round to the nearest tenth.

Mathematics
1 answer:
r-ruslan [8.4K]2 years ago
5 0

Answer:

C

Step-by-step explanation:

Two secants drawn to a circle from a common external point, then

The product of the external part and the entire part of one secant is equal to the product of the external part and the entire part of the other secant, that is

5(5 + x) = 4(4 + 10) = 4 × 14 = 56

25 + 5x = 56 ( subtract 25 from both sides )

5x = 31 ( divide both sides by 5 )

x = 6.2 → C

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Find m, given that the three angles of a triangle are (m+18), (2m+28) and (3m+47).
alukav5142 [94]

Step-by-step explanation:

As all angles in a triangle add up to 180°

we can write:

(m+18)+(2m+28)+(3m+47) = 180

6m + 93 = 180

6m = 180 - 93

6m = 87

m = 87 / 6

m = 14.5

8 0
2 years ago
A statue is 175 feet tall. if at a certain time of day a 6 foot tall person cast an 8 foot shadow, how long will the statues sha
xxMikexx [17]
If a 6 foot tall person cast an 8 foot shadow then the scale would be 4:3. So the statue will be aproximately 233,4 feet long (Sorry if I'm wrong)
8 0
3 years ago
Please I need help of this one :)
Harlamova29_29 [7]

Answer:

128.605 m²

Step-by-step explanation:

Find the areas of the top triangle, and the bottom triangle and add them together.

The top triangle consists of 2 smaller triangles.  Look at the larger one, the height is 4.93 and the base is 17.  The area is...

A = (1/2)(17)(4.93)

   A = 41.905 m²

The bottom triangle consists of 2 smaller triangles.  Look at the larger one, the height is 10.2 and the base is 17.   The area is...

A = (1/2)(17)(10.2)

  A = 86.7 m²

The total area is 41.905 m² + 86.7 m² = 128.605 m²

5 0
3 years ago
What is the coefficient in this expression? <br> 17 + 5a
babymother [125]
The answer is the a next to the 5
4 0
3 years ago
Read 2 more answers
.please answer correctly and show steps ​
kupik [55]

Answer:

6/5m

or

1 1/5m

Step-by-step explanation:

5 - 3 4/5 = x

5/1 - 19/5 = x

5/1(5/5) - 19/5 = x

25/5 - 19/5 = x

25/5 - 19/5 = 6/5

x = 6/5 or 1 1/5

8 0
2 years ago
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