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Tpy6a [65]
2 years ago
14

Help me with problem

Mathematics
1 answer:
DENIUS [597]2 years ago
4 0

Answer:

x = 16.67

Step-by-step explanation:

4x - 6 + 8x - 6 = 180

12x - 14 = 180

    + 14      + 14

12x = 194

/ 12    / 12

x = 16.67

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Determine and state an equation of the line perpendicular to the lines 5x-4y=10 and passing through the point (5,12). in point-s
sergey [27]
Perpendicular lines have slopes that are negative reciprocals of one another.

slope intercept form (y = mx + b) of the first equation will help us find the slope of the first line: where m = slope

5x-4y=10
-4y=-5x + 10
y=-5/-4 x + 10/-4
y=5/4 x -2.5

if the slope of this line is 5/4 then the slope of the perpendicular line is -4/5.

Therefore with the given information we can state the equation of the second line in point slope form (y-y,) = m(x-x,)

the coordinates of (5,12) can are substituted for x, and y,

so the answer is

(y-12) = -4/5(x-5)

I hope this helped and is BRAINLIEST!

Good luck with your studies!

8 0
2 years ago
What is the ratio of the number of 8 nickels to the number of 10 dimes?​
MakcuM [25]

Answer:

2/5

Step-by-step explanation:

start by 8*5 then 10 times 10 then simplify

4 0
3 years ago
Read 2 more answers
John paid $450 for a new mountain bicycle to sell in his shop. He wants to price it so that he can offer a 10% discount but stil
Ghella [55]

Answer:

$643.50

Step-by-step explanation:

Let i be the profit realized from the sale and d be the discount made on the sale:

#John's selling price can be calculated by first adding profit, i to $450, the d to the new price as:

P_n=P_o(1+i)+d[P_o(1+i)]\\=450(1+0.3)+0.1[450(1+0.3)]\\\\\\=450\times 1.3+0.1(450\times1.3)\\\\=585+58.5\\\\=643.50

Hence, John will resell the bike at $643.50

8 0
3 years ago
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Answer:

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Step-by-step explanation:

<u>Step 1:  Solve for y</u>

11x + 6y = -48

11x + 6y - 11x = -48 - 11x

6y / 6 = (-48 - 11x) / 6

y = -8 - 11/6x

Answer:  y = -11/6x - 8

5 0
3 years ago
Read 2 more answers
Find the value of 2 numbers if their sum is 9 and their difference is 1
Sloan [31]
Makes no sense.

p.s i am a fourth grader
5 0
3 years ago
Read 2 more answers
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