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s344n2d4d5 [400]
3 years ago
14

Is (1,-4) a solution to the equation y=-2x true or false

Mathematics
1 answer:
Aleksandr-060686 [28]3 years ago
8 0

Answer:

False

Step-by-step explanation:

<em>So, to start off we are going to </em><em>input our (x,y) values into x and y</em><em>. </em>

-4 = -2(1)

<em>Now, we are going to </em><em>multiply 1 and -2</em><em>!</em>

-4 ≠ -2

<em>Since -</em><em>4 doesn't equal -2</em><em> we know that (1,-4) is </em><em>not a solution </em><em>to the equation y=-2x</em>

<em />

Hope this Helps! :)

<em>Have any questions? Ask below in the comments and I will try my best to answer. </em>

-SGO

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Given: ZDEF is a right angle. Using a paragraph proof, prove 41 is acute.
Slav-nsk [51]

Let G be some point on the diagonal line away from point E.

Angle DEG represents angle 1.

We're given that angle DEF is a right angle which means it's 90 degrees. Angle DEG is some angle smaller than 90 degrees. By definition, that must mean angle 1 is acute. Any acute angle is smaller than 90 degrees. There's not much else to say other than this is just a definition problem.

----------------

Extra side notes:

If angle 1 was a right angle, then that would mean angle GEF would have to be 0 degrees; however the diagram shows this isn't the case.

If angle 1 was obtuse, then there's no way we'd be able to fit it into angle DEF. In other words, there's no way to have an angle larger than 90 fit in a 90 degree angle.

4 0
3 years ago
A.8y+4=60 <br><br>B.4y+8=60<br><br>C.8÷y+4=60<br><br>D.y+8+4=60
Gemiola [76]

"<em>The product of 8 and a number increased by 4 is 60" </em>can be written as:

8y + 4 = 60

Your answer is A.

5 0
3 years ago
Read 2 more answers
The answer and the work
crimeas [40]

Answer:

x=1

Step-by-step explanation:

Substitute the value of y to the first given

3x+4(-x)=-1

3x+(-4x)=-1

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divide both sides by -1

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5 0
2 years ago
Im stuck on this question helm me out I will mark you as brainliest​
agasfer [191]

Answer: <em><u>it is =4176000000000000</u></em>

Step-by-step explanation:

(2.9)(100000)(7.2)(10^2)

5(10^−8)

=

(290000)(7.2)(10^2)

5(10^−8)

=

2088000(10^2)

5(10^−8)

=

(2088000)(100)

5(10^−8)

=

208800000

5(10^−8)

=

208800000

5(1/100000000)=

208800000/1

20000000

=4176000000000000

hope i helped

-lvr

8 0
3 years ago
Answer quick 146-59 PLS​
tatyana61 [14]

Answer:

146 minus 59? equals 87 :)

4 0
2 years ago
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