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Ede4ka [16]
3 years ago
7

Frame a linear equation in the form ax+by=c=0 by using the given of a,b,c a=-2,b=3,c=4

Mathematics
1 answer:
aleksandr82 [10.1K]3 years ago
6 0

Answer:

-2x + 3y + 4 = 0

Step-by-step explanation:

ax + by + c = 0 if  a = -2,  b = 3,  c = 4

Just replace the letters with numbers :)

-2x + 3y + 4 = 0

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Enter the patriot equivalent to Tan (A) <br><br> And<br><br> Enter the ratio equivalent to cos (B)
PolarNik [594]

Answer:

(a)\ \tan A = \frac{5}{12}

(b)\ \cos B = \frac{5}{13}

Step-by-step explanation:

Given

See attachment for triangles

Solving (a)

\tan(A)

The tan of an angle is:

\tan(\theta) = \frac{Opposite}{Adjacent}

From the given triangle.

Opposite = 5

Adjacent = 12

So, we have:

\tan A = \frac{5}{12}

Solving (b)

\cos(B)

The cos of an angle is:

\cos(\theta) = \frac{Adjacent}{Hypotenuse}

From the given triangle.

Adjacent = 5

Hypotenuse = 13

So, we have:

\cos B = \frac{5}{13}

3 0
2 years ago
a pack of eight batterys cost 8.99. Bow much does each battery cost , give your answer to the nearest penny​
Ne4ueva [31]

Answer: $1.13

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Use the diagram to complete the statements.
Ksenya-84 [330]

Answer: The answers are: 3, 4, point R to point Q, depression from point Q to point R

Step-by-step explanation:

4 0
3 years ago
A random sample of size 100 was taken from a population. A 94% confidence interval to estimate the mean of the population was co
Firlakuza [10]

Answer:

Step-by-step explanation:

1) The z value was determined using a normal distribution table. From the normal distribution table, the corresponding z value for a 94% confidence interval is 1.88

The correct option is D

2) if 70% of all internet users experience e-mail fraud. It means that probability of success, p

p = 70/100 = 0.7

q = 1 - p = 1 - 0.7 = 0.3

n = number of selected users = 50

Mean, u = np = 50×0.7 = 35

Standard deviation, u = √npq = √50×0.7×0.3 = 3.24

x = number of internet users

The formula for normal distribution is expressed as

z = (x - u)/s

We want to determine the probability that no more than 25 were victims of e-mail fraud. It is expressed as

P(x lesser than or equal to 25)

The z value will be

z = (25- 35)/3.24 = - 10/3.24 = -3.09

Looking at the normal distribution table, the corresponding z score is 0.001

P(x lesser than or equal to 25) = 0.001

7 0
3 years ago
In 25 minutes, Jay can run 10 laps around the track. Write an equation to represent the relationship.
Inessa [10]

Answer:

The equation is y=\frac{2}{5} x.

Step-by-step explanation:

Let y represent the number of laps Jay run, and x the number of minutes it takes him to run those laps.

We know that it it takes Jay 25 minutes to run 10 laps; therefore, the number of laps jay runs per minute is:

\frac{10\:laps}{25\:minutes} =\frac{2}{5}\:laps/min

So, if Jay runs for x minutes, the number of laps y he will run be:

\boxed{y=\frac{2}{5}x}

3 0
3 years ago
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