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Anuta_ua [19.1K]
3 years ago
14

What is his error? O He placed the decimal point incorrectly when dividing. O He placed the decimal point incorrectly when multi

plying. O He wrote the rate incorrectly. O He did not make an error.​
Mathematics
2 answers:
balu736 [363]3 years ago
5 0

Answer:She placed the decimal point incorrectly when dividing. i took the test

blsea [12.9K]3 years ago
4 0

Answer:

C

Step-by-step explanation:

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Sergio [31]

Answer:  The equation of the circle as specified is (x+5)² + (y -1)² = 25

Step-by-step explanation:  Use the Pythagorean Theorem to calculate the length of the radius from the coordinates given for the triangle location: A(-1,4), B(-1,1) and C(-5,1)  

subtract y-values of A & B 4-1=3 AB = 3

subtract x-values of B &C -5-(-1) =4 BC=4  3² + 4² = 9 + 16 = 25  

√25 = 5   AC = 5  That is the radiuus of the circle.    

The sides of the triangle are AB=3, BC=4, AC=5.

Use the equation for a circle:

( x - h )² + ( y - k )² = r², where ( h, k ) is the center and r is the radius.

Use the coordinates of C, (-5, 1) as h and k in the equation

Substituting those values, we have (x -[-5])² + (y -[1])² = 5²

Simplify:  (x+5)² + (y -1)² = 25

A graph of the circle is attached. The radius is AC, between the center C (-5,1) and A( -1,4) on the circumference.  (Sorry, I still need to learn how to create line segments!)

8 0
3 years ago
3x-4=5<br><br> Solve the equation above
SVEN [57.7K]

Answer:

The answer is x = 3

Explanation step by step

8 0
3 years ago
How to solve 2/10b=99
soldier1979 [14.2K]
Multiply both sides by 10.
2b=990
divide both sides by 2
b= 495
6 0
3 years ago
The American Heart Association recommends that you consume less
Ann [662]
1500 - 400 = how much sodium u can consume for the rest of the day
6 0
3 years ago
I need Help plsssss!!!!!
laiz [17]

Answer:

2x - 3

x - 9

Step-by-step explanation:

The root of a problem is the x value that makes the equation equal to zero.

If the factored form of the equation is (2x-3)(x-9) that means if either 2x - 3 or x - 9 is equal to zero, the entire equation will equal zero, because zero times any number is equal to zero.  

Therefore you must solve for (2x-3)=0 and (x-9)=0

4 0
3 years ago
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