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Lera25 [3.4K]
3 years ago
10

Somebody please help me out quick ??

Mathematics
2 answers:
mylen [45]3 years ago
7 0
S= 26/2=13.
√13(2)(4)(7)
√13(56)
√728.
= 26.98.
The answer is 27.
scoundrel [369]3 years ago
6 0
38 i think is correct

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The price of gold rose from $790 per ounce to $860 per ounce what percent increase does this amount represent round to the neare
neonofarm [45]
There’s so many number
8 0
3 years ago
4w+15= -13<br><br> -12=n/2-6
Firlakuza [10]

Answer:

For the one including 4w the answer is - 7

The one with n/2 is - 12

Step-by-step explanation:

4w=-13-15

4w=-28

w=-7

Multiply by 2 on both sides

-24=n-12

-24+12=n

Always write it in the variables perspective.

n=-12

7 0
3 years ago
Help please, my brains is empty :o(
den301095 [7]

Answer:

I think 5 and 5 are equal so the angles are equal which are 70,70

Step-by-step explanation:

70+70+x=180

140+x=180

x=40

6 0
3 years ago
Rewrite the equation by completing the square.<br> 4x2 + 28x + 49 = 0<br> (x+) =
Vlada [557]

Answer: x = - 3.5

Step-by-step explanation:

Rewrite the equation by completing the square.

4x2 + 28x + 49 = 0

Completing the square method :

Divide through by the Coefficient of x^2

x^2 + 7x + (49/4) = 0

a = 1, b = 7, c = 49/4

Move c to the right side of the equation

x^2 + 7x = - 49/4

Complete the square on the left hand side by squaring its half of the x term

(7/2)^2 = (49/4)

Add the output to both sides of the equation

x^2 + 7x + (49/4) = - (49/4) + (49/4)

(x + 7/2)^2 = 0

Square root of both sides

x + 7/2 = 0

x = - 7/2

x = - 3.5

4 0
3 years ago
A bag of Halloween M&amp;M’s contains 4 orange, 5 brown and 6 yellow candies. Two candies are selected without replacement. Let
Montano1993 [528]
P(A)= 4+5+6= 15/2= 75%
P(B)= 6+4=10  5/10= 50%
P(C)= 5+4=9    6/9= 66.6%

4 0
3 years ago
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