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densk [106]
3 years ago
13

Solve the following system using the crossing-graphs method. (Round your answers to two decimal places.) −6.4x − 25.5y = 171

Mathematics
1 answer:
Andreas93 [3]3 years ago
6 0
Try going 2 https://www.symbolab.com/solver/algebra-calculator
You might be interested in
Can anyone help with these? I appreciate and I will award 5 stars and brainliest
nekit [7.7K]

<u>Graph 1</u>

coordinates : (0,-5) (-6,-2)

m = (y2-y1)/(x2-x1)

m = (-2-(-5))/(-6-0)

m = 3/-6 = -1/2

Substitute the values,

y = mx + c

-2 = (-1/2)(-6) + c

-2 = 3 + c

c = -5

Thus, equation is y = -1/2x -5

<u>Graph </u><u>2</u>

coordinates : ( 4,-2) (-5,3)

m = (y2-y1)/(x2-x1)

m = (3-(-2))/(-5-4)

m = 5/-9

Substitute the values,

y = mx + c

-2 = (-5/9)(4) + c

-2 = -20/9 + c

c = 2/9

Thus, the equation is y = -5/9 + (2/9)

Hope it helps :)

8 0
4 years ago
I need help with this bc i dont understand it can somebody help me plzzzzz i'll give you 40 points for it!!!! And name you brain
kkurt [141]

Answer:

8.79 in

Step-by-step explanation:

23 = 150/360 × 2×3.14× r

23 = 5/12 × 6.28 x r

23 = 31.4×r / 12

31.4 r = 23×12

31.4 r = 276

r = 276/31.4

r = 8.79 in

6 0
3 years ago
What is one hundred twenty four percent
never [62]
124% as a decimal:
100% is 1 and 24% is 0.24.
So 124% is 1.24 as a decimal.

124% as a mixed number:
100% is 1 and 24% is 24/100.
To find 124% as a mixed number, simplify 24/100 and add it to 1.
24/100 = 12/50 = 6/25
So 124% as a mixed number is 1 and 6/25.

124% as an improper fraction:
To make 124% an improper fraction, just make the 1 a fraction with the same denominator as 6/25 and add.
1 = 1/1 = 25/25
25/25 + 6/25 = 31/25
So 124% is 31/25 as an improper fraction.

Hope this helps :)
5 0
4 years ago
_____________ refers to the difference between the original analog data and the approximation of that data using the techniques
n200080 [17]

Answer:

A. Quantizing error

Step-by-step explanation:

Quantizing error is also known as Distortion. It is the contrast that exists between an analog signal and the digital value which is the closest at each sampling instant from the A/D converter. Quantizing error occurs when there is inaccurate representation of an analog signal which is a result of the resolution of the process adopted in digitizing it.

The resolution of A/D converter determines the quantization error, when the resolution of A/D converter is high, quantization error will be low as well as the quantization noise.

4 0
3 years ago
Max divides 2 cups of milk into 3/5 cup servings.How many servings can he make
dlinn [17]

Answer:

3/1/3 (im pretty sure)

Step-by-step explanation:

i hope this is correct and i hope this helped have a good rest of your day :)

7 0
3 years ago
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