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shepuryov [24]
3 years ago
12

Help its due in 15 mins ​

Mathematics
1 answer:
Anton [14]3 years ago
8 0

Answer:

\sqrt{44} = 2\sqrt{11}

Step-by-step explanation:

Apply pythagorean theorem:

ABD is a right triangle with angle ADB = 90

hence AD = \sqrt{AB^{2} - BD^{2}  } where BD = 10 because it is half of BC

AD = \sqrt{12^{2}-10^{2}  } = \sqrt{44} = 2\sqrt{11}

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What would be the correct notation for the following ray?
muminat
It would be the middle choice. The choice on the left represents a line, and the choice on the right represents a line segment.

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7 0
2 years ago
A bakery sells cakes for $18 each and pies for $15 each. Last weekend the bakery sold 118 total items and earned $1,932. How man
andrew-mc [135]

Answer:

18

=

15

=

118

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1

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932

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Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Totsakan school is selling tickets to a choral performance on the first day of ticket sales the school sold 10 senior tickets an
ohaa [14]

Given :

On the first day of ticket sales the school sold 10 senior tickets and 1 child ticket for a total of $85 .

The school took in $75 on the second day by selling 5 senior citizens tickets and 7 child tickets.

To Find :

The price of a senior ticket and the price of a child ticket.

Solution :

Let, price of senior ticket and child ticket is x and y respectively.

Mathematical equation of condition 1 :

10x + y = 85    ...1)

Mathematical equation of condition 2 :

5x + 7y = 75    ...2)

Solving equation 1 and 2, we get :

2(2) - (1)   :

2( 5x + 7y - 75 ) - ( 10x +y - 85 ) = 0

10x + 14y - 150 - 10x - y + 85 = 0

13y = 65

y = 5

10x - 5 = 85

x = 8

Therefore, price of a senior ticket and the price of a child ticket $8 and $5.

Hence, this is the required solution.

 

5 0
3 years ago
The price of a technology stock has dropped to $9.64 today. Yesterday's price was $9.75. Find the percentage decrease. Round you
Ket [755]

Answer:

1.1%

Step-by-step explanation:

975-1.1%=964.275

7 0
2 years ago
Factorise : x^2-9x-70 Step by Step​
tensa zangetsu [6.8K]

Answer:

Step-by-step explanation:

x^2 - 9x - 70

we need to find two numbers whose sum is -9 and product id -17

The numbers are -14 and 5

By splitting the middle term,

x^2 - 14x + 5x - 70

= x ( x - 14 ) + 5 ( x - 14 )

( x + 5 ) ( x - 14 )

Hope this helps

Plz mark as brainliest!!!!!

8 0
3 years ago
Read 2 more answers
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