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3 years ago

Which ordered pair is a solution to the system?

Mathematics

1 answer:

babymother [125]3 years ago

5 0

all you have to do is see whether both variables of each point meet both contraints:

for a) 1<3 and 2>1 is true so a is a solution to the system

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The table shows a probability of drawing numbered tickets from a jar if 8 tickets are randomly drawn how many tickets would be e

leva [86]

Answer:

Step-by-step explanation:

If you do .50 x 8 from each ticket being drawn and the probability you get 4

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2 years ago

Write a compound inequality that the graph could represent. Picture below

Nataly_w [17]

X≥-1, x<3, or -1≤x<3
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3 years ago

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To make plaster, Kevin mixes 3 cups of water with 4 pounds of plaster powder. How

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3 years ago

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valina [46]

Answer:

B) What is your height measured to the nearest inch?

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A statistical question can be answered by collecting data from various people which varies.

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2 years ago

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18. Find the center, vertices, and foci of the ellipse with equation x squared divided by 225 plus y squared divided by 625 = 1.

KengaRu [80]

Answer:

Center (0,0)

Vertices (-15,0), (15,0), (0,-25), (0,25)

Foce (0,-20), (0,20)

Step-by-step explanation:

You are given the ellipse equation

$\dfrac{x^2}{225}+\dfrac{y^2}{625}=1$

The canonical equation of ellipse with center at (0,0) is

$\dfrac{x^2}{a^2}+\dfrac{y^2}{b^2}=1$

So,

$a^2=225\Rightarrow a=15\\ \\b^2=625\Rightarrow b=25$

Hence, the center of your ellipse is at (0,0) and the vertices are at points (-15,0), (15,0), (0,-25) and (0,25)

This ellipse is strengthen in y-axis, so

$c=\sqrt{b^2-a^2}=\sqrt{625-225}=\sqrt{400}=20$

and the foci are at points (0,-20) and (0,20).

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3 years ago