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alexgriva [62]
2 years ago
7

Item 4

Mathematics
2 answers:
bogdanovich [222]2 years ago
8 0

Answer:

<-2

Step-by-step explanation:

k12

all quiz answers for a crown!

jarptica [38.1K]2 years ago
6 0

Answer:

<-2

Step-by-step explanation:

i took the test

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Help! It says that I need to determine If both equations represent lines which are parallel, perpendicular, or none...
12345 [234]
    4x + 2y = 8     (1)
    8x + 4y = -4y  (2)

A) Two lines are parallel if they have the same gradient
       - putting both equations into the gradient- intercept form ( y = mx + c                where m is the gradient)
            (1) 4x + 2y = 8
                          2y = 8 - 4x
                            y = -2x + 4
             
            (2) 8x + 4y = -4y
      <span>                    </span>8x = -4y - 4y
                            y = \frac{-8x}{-8}
                            y = -x
   <span>Thus the gradient of the two equations are different and as such          the two lines are not parallel
</span>
B)  When two lines are perpendicular, the product of their gradient is -1
                   m_{1} * m_{2} = p
                                             p = (-2) * (-1)
                                             p =  2
<span>          ∴ the two lines are not perpendicular either.</span>

Thus these lines are SKEWED LINES

4 0
2 years ago
2 ( 3 x 4) - 10 + 14/2 = 21<br><br> true or false
larisa86 [58]

Answer:

true

Step-by-step explanation:

7 0
2 years ago
Need answer ASAP <br> *MARKING BRAINLIEST
Luba_88 [7]

Answer:

252 in²

Step-by-step explanation:

Recall area of regular polygon is A= (1/2)*(perimeter)*(apothem)

Area = (1/2)*(63)*(7)

= 252 in²

7 0
3 years ago
Read 2 more answers
Please try to answer it if you want to :)
lubasha [3.4K]

no

i have no idea what to do

7 0
2 years ago
Read 2 more answers
Nell's mortgage is $50,150 at 10 percent for 30 years.
Rasek [7]

Answer:

The correct option is a.

Step-by-step explanation:

It is given that Nell's mortgage is $50,150 at 10 percent for 30 years and she must pay $8.78 points per $1,000.

<u>EMI on $1000 is $8.78, so EMI on $1 is</u>

EMI on $1 = 8.78/1000 = 0.00878

<u>EMI on $50150 is</u>

<u>EMI on $50150 = 0.00878 x 50150 = 440.317 = 440.32</u>

Therefore the correct option is a.

Hope this help you! ^_^

7 0
2 years ago
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