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Lelechka [254]
3 years ago
9

Determine if (2,5) Is a solution of -2x+4y=-16

Mathematics
2 answers:
tamaranim1 [39]3 years ago
8 0

Hi!

<h3>To do this, put the values in the equation. </h3>

-2 * 2 + 4 * 5 = -16

<h3>Solve</h3>

-4 + 20 = -16

<u>16 = -16</u>

<h2>(2,5) is not a solution of -2x+4y=-16</h2>

Hope this helps! :)

-Peredhel

Reptile [31]3 years ago
7 0
This is false when u fill in for x you get the answer -3 and it should be five and when you fill in for why you get the answer 18 and it should be 2 which makes the statement incorrect
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|−12| = 12 True or False please help!!!!!
Alexandra [31]

Answer:

yes

Step-by-step explanation:

|-12| = |12| they always equal to 12

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2 years ago
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Cos(5 π/3)=___<br><br> A. √3/2<br> B. -√2/2<br> C. 1/2<br> D. √2/2
Ratling [72]

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i think the answer is C. 1/2

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2 years ago
Find the component form of the vector that translates P(4,5) to p'.
Veronika [31]

Answer:

Component form : (-7 , 2)

Step-by-step explanation:

P(4 , 5) = P'(4 +x , 5+y) = P'(-3 , 7)

4 + x = -3

    x = -3 - 4

    x = -7

5 + y = 7

     y = 7 - 5

     y = 2

Vector form : -7i + 2j

Component form : (-7 , 2)

4 0
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Y= 2? + 16x + 64<br> 1. Identify a, b, and c<br> b=<br> C=
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5 0
2 years ago
A bolt falls off an airplane at an altitude of 500 m. How long will it take the bolt to reach
Rudik [331]

Answer:

t = sqrt(500/4.9) =~ 10.1 seconds/ Answer: 10.1015 seconds (this is approximate)

Step-by-step explanation:

Use 4.9t^2 + v0t = s

a) A bolt falls off an airplane at an altitude of 500 m. Approximately how long does it take the bolt to reach the ground?

s = 4.9t^2 + v0t = 500

4.9t^2 = 500

t = sqrt(500/4.9) =~ 10.1 seconds

Part A)

v = initial velocity = 0

s = 500 = vertical distance the object travels (from plane to ground)  

Plug in the given values and solve for t

4.9t^2 + v*t = s

4.9t^2 + 0*t = 500

4.9t^2 + 0 = 500

4.9t^2 = 500

t^2 = 500/4.9

t^2 = 102.04081632653

t = sqrt(102.04081632653)

t = 10.101525445522

t = 10.1015

Answer: 10.1015 seconds (this is approximate)

8 0
2 years ago
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