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LiRa [457]
3 years ago
6

Given J (x, -8) and K (-1,-5) and the graph of line l below, find the value of x so that JK ll L.​

Mathematics
1 answer:
Bingel [31]3 years ago
5 0

Answer:

x = -2

Step-by-step explanation:

slope of line l = 3

we want the line containing points J and K to have a slope of 3 also

<u>-8-(-5) </u> = <u> 3 </u>

x-(-1)        1

cross-multiply to solve for 'x':

3(x+1) = -3

3x + 3 = -3

3x = -6

x = -2

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Which pair of numbers is relatively prime
Anna007 [38]
Without any calculations it's evident it can't be neither B (both numbers are even, so they're divisible by 2) nor C (the numbers end in 0 and 5, so they're divisible by 5).

A.
57=3\cdot19\\&#10;96=2^5\cdot3
Both numbers have a factor of 3, so they're not relatively prime.
That means it must be D. But, let's check it.

143=11\cdot13\\&#10;323=17\cdot19

Indeed, those two numbers are relatively prime.

5 0
3 years ago
Read 2 more answers
How do you solve for X and round the nearest tenth​
Advocard [28]

Answer:

x = 7.3

Step-by-step explanation:

When solving for missing sides using angles, use trig functions.  

We have the angle 63° to use.  

We are given the hypotenuse of the triangle, as well as the side adjacent to the angle, so we can use the cos function.

Cos T = (adjacent side)/(hypotenuse)

Here we know 'T' and the hypotenuse, so plug them in and solve

Cos 63° = x/16

  (16)Cos 63° = x    (multiply both sides by 16 to isolate 'x')

      7.263847996 = x           (use your calculator to solve the left side)

      7.3 = x   (rounded to the nearest 10th)

7 0
3 years ago
Angel says that raising fraction to the power of -1 is the same as finding the reciprocal of the fraction do you agree
Dovator [93]

Answer:

yes, because when you "raise a number to power" you're multiplying the number by itself, and the power represents how many times you do so.

I hope this answers your question

5 0
3 years ago
A store owner buys cell phones for $40 and marks up the price by 25 percent. Explain how to find the price at which she sells th
vladimir1956 [14]
Let's solve this problem step-by-step.

STEP-BY-STEP EXPLANATION:

In order to find the price at which the store owner sells the cell phone, we must first establish by how much the price is changing.

As the problem states that the price of the cell phones is marked up by 25 percent, we must simply find 25 percent of the original price which the cellphones were purchased at and then add the amount to the original price.

Essentially this means we will do the following:

Let selling price = x

Let original price purchased at = $40

Let mark up = 25% = 0.25

x = Original price purchased at × ( 1 + mark up )

x = 40 × ( 1 + 0.25 )

x = 40 × 1.25

x = $50

FINAL ANSWER:

Therefore, the price which the store owner sells the cell phones at is $50.

Hope this helps! :)
Have a lovely day! <3
7 0
3 years ago
HELP ASAP !!! giving out the brainliest answer !!! plsss help (has to be correct )
Sav [38]

Answer:

Step-by-step explanation: brainly.com/question/22920148?answering=true&answeringSource=feedPublic%2FhomePage%2F1

3 0
3 years ago
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