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Natasha_Volkova [10]
3 years ago
15

WILL GIVE BRAINLIEST ANSWER TO WHOEVER ANSWERS FIRST AND CORRECTLY EXPLAIN WHY YOURE CORRECT

Mathematics
2 answers:
alexandr1967 [171]3 years ago
3 0
I think it’s A but i could be wrong
Mars2501 [29]3 years ago
3 0

Answer:

9

Step-by-step explanation:

If you use Patagonian's therom a^2+b^2=c^2 you get

5^2+8^2=89

you need to get the root of 89 to get the answer witch is 9.433981 but you round to the nearest whole number so it's 9

You might be interested in
P=$222 r=12% Y=10 A=?
sergey [27]
To solve for the A or the principal amount plus interest you can use two formulas:

A = P + I

Where: P = Principal
             I  = Interest

or you can use 

A = P (1+ rt)

Where: P = principal
             r  = rate in decimal
             t  = time in years

With your given you can use the second one, without having to use the first. 
Given that the Principal amount is $222 and the rate is 12% and time is 10 years, we first need to convert your rate into decimal by dividing the value in percent by 100 which will yield 0.12. 

Then now we can just input the data that you know into the formula:
A = P(1+ rt)
   = $222(1 + (0.12)(10))
   = $222(2.2) 
   = $488.40

Your A is then equal to $488.40

If you need to get the simple interest all you need to use is the first formula given:

A = P + I
for the interest you transpose the P to the side of the A and you will get:
I = A - P
  = $488.40 - $222
  = $266.40

$266.40 is the added interest to the principal amount. 
7 0
3 years ago
As an estimation we are told 5 miles is 8 km.<br> Convert 60 miles to km
noname [10]

Answer:

60 miles to km would be 0.06 kilometer.

Step-by-step explanation:

8 0
3 years ago
In rectangle ABCD, find x and y.
soldier1979 [14.2K]
Answer: x=5 y=6

Step-by-step explanation: 6y=3× +21
6y-6=2× +20
Opposite sides of the rectangle are equal
Substitute 3x +21 into 6y in the second equation.



8 0
2 years ago
Solve for x when 4x+16/12=x-4
stira [4]

Answer:

In short, Your Answer would be either 1 or 7

Step-by-step explanation:

|4x + 12| = 16

As it is in modulus function, it could be either +ve or -ve

4x+12 = 16   OR   4x - 12 = 16

4x = 16-12    OR   4x = 16 + 12

4x = 4           OR   4x = 28

x = 4/4     OR  x = 28/4

8 0
2 years ago
X - 2/5= 7<br> find out what x is
nalin [4]

Answer:

see below

Step-by-step explanation:

x - 2/5= 7

Add 2/5 to each side

x - 2/5 + 2/5 = 7+2/5

x = 7 2/5

or if

( x-2) /5 = 7

Multiply each side by 5

(x-2) /5 *5 = 7*5

x-2 = 35

Add 2 to each side

x-2+2 = 35+2

x = 37

8 0
3 years ago
Read 2 more answers
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