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Otrada [13]
3 years ago
15

5x+5y=25 is this linear

Mathematics
2 answers:
charle [14.2K]3 years ago
8 0

Answer:

No,it's not linear because it doesn't have Y=2x+1.

Step-by-step explanation:

Goshia [24]3 years ago
8 0

\text{First, simplify the equation:}\\\\5x+5y=25\\\\\text{Subtract 5x from both sides}\\\\5y=-5x+25\\\\\text{Divide both sides by 5}\\\\y=-x+5\\\\\text{The slope of the line is -1, so this is a linear equation, due to the fact}\\\text{that the slope is at a constant "rate of change"}\\\\\boxed{\text{Yes, it's a linear equation}}

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Theoretically, if a month is chosen 300 times,
horsena [70]

Answer:

75 times.

Step-by-step explanation:

Well there are 12 months and 3 of them start with the letter J, so theoretically, 25% of the months chosen will start with the letter J because \frac{3}{12}=\frac{1}{4}, which is 25%. 25% of 300 (or \frac{300}{4}, for those who like fractions) is 75, so theoretically, we can expect a month that starts with the letter J 75 times.

Hope this helps!

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6 0
3 years ago
A circle has a radius of 11 inches and a central angle AOB that measures 45°. What is the area of sector AOB? Use 3.14 for pi an
Vesna [10]
The answer is A from what my teacher taught me
7 0
3 years ago
Read 2 more answers
2 numbers are such that if 7 is added to the first number, a number twice the second number is obtained. If 20 is added to the s
Eduardwww [97]

Answer:

1st= 47/7 or 6.71

2nd= 48/7 or 6.857

Step-by-step explanation:

1st number =X and 2nd number = Y

According to question, X+7=2Y

20+Y=4X

X=2Y-7 (from 1st condition)

putting in it second

20+Y=4(2Y-7)

20+Y=8Y-28

20+28=8Y-Y

48=7Y

Y=48/7

so X=2(48/7)-7

=96-49/7

47/7

5 0
3 years ago
Medical researchers have determined that for exercise to be beneficial, a person’s desirable heart rate, r, in beats per minut
Scorpion4ik [409]

Answer:

R, in beats per minute, can be approximated by the formulas, where a represents the person's age.

where R= 143 - 0.65a for women.... (1)

and R= 165 - 0.75a for men,..... (2)

So by implementing these two equation we get a = 40

So the age will be 40 years old

 

 know more about “Mathematical Equation” here: brainly.com/question/1214333

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8 0
1 year ago
Yul has lunch at a restaurant . if his bill was $14.50 and Yul wants to leave a 20% tip , what is the amount he should leave for
Charra [1.4K]

Answer:

$14.50x.20= $2.90

Step-by-step explanation:

3 0
3 years ago
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