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3 years ago

What is 9+n/4=15? I will make sure you get 39 points

Mathematics

2 answers:

denis-greek [22]3 years ago

8 0

N=34

Hope this helps fun and simple :)

Kruka [31]3 years ago

6 0

N = 24. Hope it helps!

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Landon is driving at a constant speed of 55 miles per hour. At hat rate, how long will it take him to drive 275 miles?

Elza [17]

Answer:

5hours

Step-by-step explanation:

At constant speed, distance speed= distance/time taken

therefore, time will be obtained by the division of distance traveled by the speed.

in this question the distance is provided but time is not hence time is calculated as follows. time= distance/time taken

=275miles/55miles/hour

= 5hours

5 0

2 years ago

Read 2 more answers

Line Equation from Two Points

Verdich [7]

Hi!

We can use point-slope form to solve this.

$y-y_{1} =m(x -x_{1})$

$y_{1}$ and $x_{1}$ will be from one of the points.

First, we have to find $m$ , the slope. We can use the slope equation to get this.

$\frac{y_{1} -y_{2} }{x_{1} -x_{2} }$

Plug in your points:

$\frac{4-0}{8-(-8)} =\frac{4-0}{8+8} =\frac{4}{16} =\frac{1}{4}$

Your slope is $\frac{1}{4}$

Now plug points and slope into point-slope equation. We will use (8, 4).

$y-4=\frac{1}{4} (x-8)$

Now, if you want to get it into y = mx + b form, you have to solve for y:

$y-4=\frac{1}{4} (x-8)$

$y-4=\frac{1}{4} x-2$

$y=\frac{1}{4} +2$

Your equation is $y=\frac{1}{4} +2$

For more information on how to get the equation of a line when given two points, see here:

brainly.com/question/986503

7 0

2 years ago

Simplify the expression. A) 8^4•8^9

OlgaM077 [116]

Answer:

${8}^{13}$

Step-by-step explanation:

${8}^{4} \times {8}^{9} \\ {8}^{4 + 9} \\ {8}^{13} \\ = 5.497558139 \times 10 ^{11}$

Hope this helps you.

Let me know if you have any other questions :-)

7 0

3 years ago

mr. bailey purched some groceries that cost d dollors. he paid$50 bills. write an expression for the amount of the cange he will

JulijaS [17]

Let C present amount of change
The expression is C = 50 - d

5 0

3 years ago

A country's population in 1991 was 103 million, in 1999 it was 108 million. estimate the total population in 2013

daser333 [38]

Answer:

117

Step-by-step explanation:

The total population is 117 million

7 0

2 years ago