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Nonamiya [84]
3 years ago
7

Have an amazing day :) Will give brainlst

Mathematics
1 answer:
vova2212 [387]3 years ago
6 0
Answer: 8.3 in.

Steps:
a^2 + b^2 = c^2
a^2 + 18.2^2 = 20^2
a^2 + 331.24 = 400
a^2 = 400 - 331.24
a^2 = 68.76
a = 8.29
a = 8.3
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If frank runs 55 feet on 10 seconds, at this rate how many feet will he run in 25 seconds
adoni [48]

Answer:

He can run 137.5 ft

Step-by-step explanation:

We can use a proportion to solve

55 ft               x ft

--------------- = -----------------

10 seconds        25 seconds

55 *25 = x*10

1375 = 10x

Divide each side by 10

1375/10 = 10x/10

137.5 = x

He can run 137.5 ft

7 0
3 years ago
Read 2 more answers
What is the exponent of 36
solong [7]
Since 36 = 36^1 I would say the exponent is 1
5 0
3 years ago
In quadrilateral ABCD, BN and DM are drawn perpendicular to AC such that BN = DM. Prove that O is the midpoint of BD
GaryK [48]

Answer:

Step-by-step explanation:

Given :

In the given quadrilateral ABCD,

BN and DM are the perpendiculars drawn to AC such that,

BN = DM

To prove:

Point O is the midpoint of segment BD.

Or

OD = OB

Solution:

In ΔOMD and ΔONB,

∠MOD ≅ NOB [Vertical angles]

∠M ≅ ∠N ≅ 90° [Given]

Therefore, by AA property of similarity,

ΔOMD ~ Δ ONB

Therefore, their corresponding sides will be proportional,

\frac{DM}{BN}=\frac{OD}{OB}

Since BN = DM,

OD = OB

Hence O is the midpoint of BD.

4 0
4 years ago
For the functions f(x)=5x−3 and g(x)=5x−4, find (f∘g)(x)
Papessa [141]

Step-by-step explanation:

f(x)=5x-3

g(x)=5x-4

f(g(x))

f(5x-4)=5(5x-4)-3

25x-20-3

=25x-23

I would appreciate if my answer is chosen as a brainliest answer

4 0
3 years ago
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You take a bite out of a
Luda [366]
To solve this problem you must follow the proccedure below:

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 P=(</span>πr/2)+2r
 P=(πx3 cm/2)+2(3 cm)
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</span><span>
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 The area of a quarter circle is:

 A=</span>πr²/4
 A=π(3 cm)²/4
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<span>
 The area of</span><span>of the cracker remaining is:
</span><span>
 At=Area of a square-Area of quarter circle
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<span>
 b. About how many bites can you get from the entire cracker?</span> 

 Number of bites=L²/(π(3 cm)²/4)
 Number of bites=5
8 0
3 years ago
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