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Vlada [557]
3 years ago
7

Someone help I give you Brainly or whatever it call if you give the right answer

Mathematics
2 answers:
bearhunter [10]3 years ago
7 0

Answer:

ask yourself

Step-by-step explanation:

next time write the correct answer or do not answer-it at all

hjlf3 years ago
3 0

Answer:

45

Step-by-step explanation:

thats a right angle which us 90 degrees divide that by 2 is 45 also i have big brain

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What is the relationship of the line 8x - 2y = 7 to the line 6x - 2y = -7
Alex787 [66]

Answer:

Neither

Step-by-step explanation:

In a Standard from equation, Ax+By=C

slope=-A/B

1. -8/-2=4

  slope=4

2. -6/-2=3

  slope=3

No relationship.

slope are not the same nor reciprocal.

8 0
3 years ago
500.000.000 written in scientific notation?​
Natali [406]

\large \mathfrak{Answer : }

Scientific notation for above vLue is :

  • 5 \times 10 {}^{8}

8 0
3 years ago
A rocket is launched from a tower. The height of the rocket, y in feet, is related to the time after launch, x in seconds, by th
olchik [2.2K]

Answer:

14.52 seconds.

Step-by-step explanation:

We have been given that the height of the rocket, y in feet, is related to the time after launch, x in seconds, by the given equation y=-16x^2+224x+121. We are asked to find the time, when the rocket will hit the ground.

We know that the rocket will hit the ground, when height will be 0. So to find the time when rocket will hit the ground, we will substitute y=0 in our given equation as:

0=-16x^2+224x+121

Let us solve for x using quadratic formula.

x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}

x=\frac{-224\pm\sqrt{224^2-4(-16)(121)}}{2(-16)}

x=\frac{-224\pm\sqrt{50176+7744}}{-32}

x=\frac{-224\pm\sqrt{57920}}{-32}

x=\frac{-224\pm240.66574}{-32}

x=\frac{-224+240.66574}{-32}, x=\frac{-224-240.66574}{-32}

x=\frac{16.66574}{-32}, x=\frac{-464.66574}{-32}

x=-0.520804375, x=14.520804375

Upon rounding to nearest 100th of second, we will get:

x\approx -0.52, x\approx 14.52

Since time cannot be negative, therefore, the rocket will hit the ground after 14.52 seconds.

6 0
4 years ago
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0,0 is a 1st dimmesnshion wich means its an = number as 01 swap and its 10 so the pride of is it of fnding the = swap or dimmenshion
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4 years ago
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Elanso [62]
The answer to 20+1 is 21
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