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tensa zangetsu [6.8K]
2 years ago
7

What does the 3 in this equation mean or represent? 5n + 3

Mathematics
2 answers:
AVprozaik [17]2 years ago
5 0

I don't know if you have any questions

Rama09 [41]2 years ago
3 0

Answer:

i think sequence bye 4567890

You might be interested in
Find the midpoint given the endpoints (4,-10) (22,-4) Please do not use space when
Elza [17]

Answer: (13,-7)

Step-by-step explanation:

By using the formula (x_{m},y_{m})  =(\frac{x_{1}+x_{2}  }{2},\frac{y_{1}+y_{2}  }{2} )

(x_{m},y_{m})\\ is the coordinates of the midpoint.

For finding the midpoint X variable do:

(\frac{4+22}{2})=13

For finding the midpoint Y variable do:

\frac{-10+(-4)}{2} = -7 (you can either keep the parenthesis or take them out. Either way, the answer is the same.

Considering coordinate numbers follow the format: (x,y), you'll simply just substitute the numbers found above into their respective places.

x: 13

y: -7

(13,-7).

6 0
2 years ago
A triangle is isosceles is the altitude from the vertex angle to the base also passes through the midpoint of the base. What are
leonid [27]

Answer:

The answer to your question is  7 and -1/7

Step-by-step explanation:

Data

First line                        Second line

B (4, 4)                            A (0, 1)

M (3.5, 0.5)                     C (7, 0)

Formula

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

Process

1.- Calculate the slope of the first-line

    x1 = 4        y1 = 4

    x2 = 3.5    y2 = 0.5

-Substitution

    m = (0.5 - 4) / (3.5 - 4)

-Simplification

     m = -3.5 / -0.5

-Result

     m = 7

2.- Calculate the slope of the second line

    x1 = 0          y1 = 1

    x2 = 7         y2 = 0

-Substitution

   m = (0 - 1) / (7 - 0)

-Simplification

   m = -1/7

-Result

   m = -1/7  

5 0
3 years ago
Solve.<br><br><br> −0.65p − 4 = 0.35p<br><br><br> The solution is p =
Nuetrik [128]

Answer:

Step-by-step explanation:

Solution,

p=-4

If you found my answer useful then please mark me brainliest.

6 0
3 years ago
For a quality control test, a company checks the miles per gallon (mpg) for a simple random sample of 100 minivans drawn from it
amm1812

Answer:

95% confidence interval for the average mpg of all minivans in the company's inventory is [15.22 mpg , 15.98 mpg].

Step-by-step explanation:

We are given that a company checks the miles per gallon (mpg) for a simple random sample of 100 minivans drawn from its current inventory.

The average mpg of these 100 minivans is 15.6 with a standard deviation of 1.9 mpg.

Firstly, the pivotal quantity for 95% confidence interval for the population mean is given by;

                         P.Q. = \frac{\bar X -\mu}{\frac{s}{\sqrt{n} } }  ~ t_n_-_1

where, \bar X = sample average mpg = 15.6 mpg

             s = sample standard deviation = 1.9 mpg

            n = sample of minivans = 100

            \mu = population average mpg

<em>Here for constructing 95% confidence interval we have used One-sample t test statistics because we don't know about population standard deviation.</em>

So, 95% confidence interval for the population mean, \mu is ;

P(-1.987 < t_9_9 < 1.987) = 0.95  {As the critical value of t at 99 degree

                                         of freedom are -1.987 & 1.987 with P = 2.5%}  

P(-1.987 < \frac{\bar X -\mu}{\frac{s}{\sqrt{n} } } < 1.987) = 0.95

P( -1.987 \times {\frac{s}{\sqrt{n} } } < {\bar X -\mu} < 1.987 \times {\frac{s}{\sqrt{n} } } ) = 0.95

P( \bar X-1.987 \times {\frac{s}{\sqrt{n} } } < \mu < \bar X+1.987 \times {\frac{s}{\sqrt{n} } } ) = 0.95

<u>95% confidence interval for</u> \mu = [ \bar X-1.987 \times {\frac{s}{\sqrt{n} } } , \bar X+1.987 \times {\frac{s}{\sqrt{n} } } ]

                                      = [ 15.6-1.987 \times {\frac{1.9}{\sqrt{100} } } , 15.6+1.987 \times {\frac{1.9}{\sqrt{100} } } ]

                                      = [15.22 mpg , 15.98 mpg]

Therefore, 95% confidence interval for the average mpg of all minivans in the company's inventory is [15.22 mpg , 15.98 mpg].

It is appropriate to compute a confidence interval for this problem using the Normal curve as t test statistics is used when data should follow normal distribution.

7 0
3 years ago
Hey please help, thank you!!
marin [14]

Answer:

D

Step-by-step explanation:

So we have the equation:

A=\frac{1}{2}(12)(3+7)

And we want to find out which of the answer choices is <em>not</em> equivalent.

Thus, let's go through each of the choices.

A)

We have:

\frac{12(3+7)}{2}

This is correct.

Our original equation can be written as:

A=\frac{1}{2}(\frac{12(3+7)}{1})

And if we multiply straight across:

A=\frac{12(3+7)}{2}

We'll get choice A. So choice A is correct.

B)

We have:

6(3+7)

This is also correct.

From our original equation:

A=\frac{1}{2}(12)\cdot(3+7)

If we multiply the first term together:

A=6(3+7)

We'll get choice B. So, choice B is correct.

C)

We have:

0.5(12)(10)

This is correct as well.

If we reduce 1/2 to decimal form and add the operations within the parentheses in the original equation, we will get:

A=\frac{1}{2}(12)(3+7)\\A=0.5(12)(10)

So, C is also correct.

D)

We have:

\frac{12}{2}\times\frac{10}{2}

Note that this is not correct.

This attempted to use the distributive property. However, the distribute property does <em>not work</em> for multiplication. For instance:

3(2+1)\text{ indeed equals } 3(2)+3(1)

However:

3(2\times1)\text{ does not equal} 3(2)\times3(1)

So, choice D is not equivalent.

So choice D is our answer :)

If we evaluate it, we will get 30, in contrast to the 60 of the others.

5 0
3 years ago
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