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Gekata [30.6K]
3 years ago
15

Input in standard form the equation of the given line. The line with m = -1/2 and b = 1

Mathematics
2 answers:
Georgia [21]3 years ago
7 0

Exact Form:

−1/2, b = 1

-12,b=1

Decimal Form:

−0.5,b=1

IF YOU LIKE MY ANSWER PLS GIVE ME BRAINLIEST!!

maks197457 [2]3 years ago
5 0

Answer:

-x + 2y = 2.

Step-by-step explanation:

y = mx + b

So here we have:

y = -1/2x + 1.

Convert to standard form:

-1/2 x + y = 1  Multiply through by 2:

-x + 2y = 2.

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Find the missing number of each unit rate. 18/3= ?/1 and 12/2= ?/1
gtnhenbr [62]

the answer is 6/1 and 6/1 simply divide and put the answer over one                      

3 0
3 years ago
The cost of a company picnic varies directly as the number of employees attending the picnic. If a company picnic costs $487.50
Drupady [299]

The company picnic cost $ 1300 for 80 employees

<em><u>Solution:</u></em>

Given that cost of a company picnic varies directly as the number of employees attending the picnic

Let "c" be the company picnic cost

Let "n" be the number of employees attending the picnic

Therefore,

cost \propto \text{ number of employees attending picnic }

c \propto n\\\\c = kn

Where "k" is the constant of proportionality

c = kn ---------- eqn 1

<em><u>Given that company picnic costs $487.50 for 30 employees</u></em>

Therefore substitute c = 487.50 and n = 30

487.50 = k(30)\\\\k = \frac{487.50}{30} = 16.25

<em><u>How much does a company picnic cost for 80 employees?</u></em>

Substitute n = 80 and k = 16.25 in eqn 1

c = 16.25(80) = 1300

Thus $ 1300 is the cost for 80 employees

5 0
3 years ago
What is the sum of 3b(b-4) and 6(b-8)
lora16 [44]

Answer:

This equals 3b^2-6b-48

Step-by-step explanation:

5 0
3 years ago
Simplify<br><br>Square root of 50 over 2 times -4 + square root of 121
kobusy [5.1K]

Answer:

  -9

Step-by-step explanation:

  \sqrt{\dfrac{50}{2}}\cdot(-4)+\sqrt{121}=-4\sqrt{25}+11=-4\cdot5+11\\\\=-20+11=\boxed{-9}

Your calculator can help with this.

4 0
2 years ago
A random sample of size 15 taken from a normally distributed population revealed a sample mean of 75 and a sample variance of 25
GREYUIT [131]

Answer:

The upper limit of a 95% confidence interval for the population mean would equal 83.805.

Step-by-step explanation:

The standard deviation is the square root of the variance. Since the variance is 25, the sample's standard deviation is 5.

We have the sample standard deviation, not the population, so we use the t-distribution to solve this question.

T interval:

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 15 - 1 = 14

Now, we have to find a value of T, which is found looking at the t table, with 14 degrees of freedom(y-axis) and a confidence level of 0.95(t_{95}). So we have T = 1.761

The margin of error is:

M = T*s = 1.761*5 = 8.805.

The upper end of the interval is the sample mean added to M. So it is 75 + 8.805 = 83.805.

The upper limit of a 95% confidence interval for the population mean would equal 83.805.

4 0
3 years ago
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