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irga5000 [103]
3 years ago
6

the expression 15n + 12n + 100 rersents the total cost in dollars for skis, boots and a lesson for n skiers. simplify the expres

sion 15n + 12n +100, then find the total cost for 8 skiers.
Mathematics
2 answers:
Julli [10]3 years ago
5 0
15n + 12n + 100
combine like terms (15n and 12n)
27n + 100
27(8) + 100
216 + 100
316

total cost: $316
ankoles [38]3 years ago
3 0

Answer:

$316.

Step-by-step explanation:

The terms that have n can be operated:

15n +12n + 100 = 27n +100. Then, we have that

total cost = 27n +100 for n skiers. So, for 8 skiers we have

total cost = 27(8) +100 = 216 + 100 = 316.

Then, the total cost of 8 skiers is $316.

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What is an equation of the line that passes through the point (8,-5) and is parallel
HACTEHA [7]

Answer:

y=-5/4x+5

Step-by-step explanation:

Hi there!

We're given the line 5x+4y=24 and we want to find the line parallel to it that passes through (8,-5)

Parallel lines have the same slopes

First, we need to find the slope of 5x+4y=24.

We'll do that by converting 5x+4y=24 from standard form (ax+by=c where a, b, and c are integers) to slope-intercept form (y=mx+b where m is the slope and b is the y intercept)

subtract 5x from both sides

4y=-5x+24

divide by 4 on both sides

y=-5/4x+6

since -5/4 is in the place where m should be, it is the slope.

So the equation of the line parallel to it will also have -5/4 as the slope

Here's the equation so far in slope-intercept form:

y=-5/4x+b

we need to find b

because the equation will pass through (8,-5), we can use it to solve for b

substitute 8 as x and -5 as y

-5=-5/4(8)+b

multiply

-5=-10+b

add 10 to both sides

5=b

substitute 5 as b into the equation

<u>y=-5/4x+5</u>

That's the equation of the line parallel to 5x+4y=24.

Hope this helps!

6 0
3 years ago
Pls help !!!!! if you are good with this and are willing to help me pls add my discord ly ♡⁎⁺˳✧#2905
antiseptic1488 [7]

Answer:

Am I to find the perimeter please

Step-by-step explanation:

See u on discord

8 0
2 years ago
Joseph says that the number 9999999 all the digits have the same value
mash [69]
There all 9's therefore they all have the same value
6 0
3 years ago
Read 2 more answers
What is the fraction and the percentage of o.5​
pochemuha

Answer:

Fraction: 1/2

Precentage: 50%

Step-by-step explanation:

3 0
3 years ago
A, B &amp; C lie on a straight line.
bazaltina [42]

Answer:

x = 136°

Step-by-step explanation:

We can use a theorem to help us.

<em>Theorem: </em>

<em>The measure of an exterior angle of a triangle is equal to the sum of the measures of the remote interior angles.</em>

For exterior angle x, the remote interior angles are z and <CBD.

From the theorem, we get this equation.

x = z + m<CBD

We know z = 52°.

We need to find m<CBD.

Angles CBD and y are a linear pair. They are supplementary, so the sum of their measures is 180°. We are given y = 96°.

m<CBD + y = 180°

m<CBD + 96° = 180°

m<CBD = 84°

x = z + m<CBD

x = 52° + 84°

x = 136°

3 0
3 years ago
Read 2 more answers
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