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ipn [44]
3 years ago
14

2x + 7y = - 10 2x + 2y = 20

Mathematics
2 answers:
Bess [88]3 years ago
5 0

Step-by-step explanation:

for the second one slope is -1 when the y intercept is (0,10)

vredina [299]3 years ago
5 0

Answer:

x=16, y= -6

Step-by-step explanation:

(2x+2y) - (2x+7y)=20-(-10)

2x+2y-2x-7y=30

-5y= 30

y=30/-5

y= -6

2x+2*-6=20

2x-12=20

2x=20+12

2x=32

x=32/2

x=16

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swat32

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Perimeter = leg(1) + leg(2) + hypotenuse = 15 + 36 + 39 = 90

2) Area = leg(1) * leg(2) = 20 * 80 = 1600

3) Median (divides it in 1/2)

4) Both (divides it in 1/2 and makes a 90 degree angle w/ base)

5) Altitude (makes 90 degree angle w/ base)

6)sqrt(30^2 + 16^2) = sqrt( 900 + 256) = sqrt(1156) = 34

7) sqrt(24^2 + 18^2) = sqrt( 576 + 324) = sqrt(900) = 30

8) sqrt(40^2 + 96^2) = sqrt(1600 + 9216) = sqrt(10816) = 104

9) sqrt(150^2 - 90^2) = sqrt(22500 - 8100) = sqrt(14400) = 120

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7 0
3 years ago
If there are 5 routes to travel between A and B, how many options are there for a person to travel form A to B and retrun back?
kupik [55]

Answer:

25

Step-by-step explanation:

5 0
2 years ago
Please help- I been sitting here for 40 minutes-
Troyanec [42]

Answer:

so first of all wat is the question and second of all DO NOT READ THE EXPLANATION

Step-by-step explanation:

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Never gonna make you cry

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Your heart's been aching but you're too shy to say it

Inside we both know what's been going on

We know the game and we're gonna play it

I just wanna tell you how I'm feeling

Gotta make you understand

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Never gonna let you down

Never gonna run around and desert you

Never gonna make you cry

Never gonna say goodbye

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Never gonna give you up

Never gonna let you down

Never gonna run around and desert you

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6 0
3 years ago
Read 2 more answers
Which reason could be used for statement 3??
Basile [38]

Option 3, definition of congruent segments is the answer I'm pretty sure

4 0
2 years ago
The population of a certain species of insect is given by a differentiable function P , where P(t) is the number of insects in t
Dmitriy789 [7]

Answer:

Option C, dP/dt=1/5P

Step-by-step explanation:

The change is population of insects is directly proportional to the rate of change of population

Hence,

\frac{dP}{dt} \alpha P

Or \frac{dP}{dt} = kP

where K is the proportional constant

We will find the value of k

Keeping the given values of rate of change of population and population in above equation, we get -

\frac{2}{10} = k\\k = \frac{1}{5}

Hence,

\frac{dP}{dt} = \frac{1}{5} P

3 0
3 years ago
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