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Kamila [148]
3 years ago
7

1. The Parkers are driving to their new home. Chris calculates that their new home is 270,000 meters away. Mrs. Parker drives an

average of 90 kilometers per hour on their trip. How long will it take them to get to their new home, in Minutes?​
Mathematics
1 answer:
mihalych1998 [28]3 years ago
8 0

Step-by-step explanation:

270,000m = 270km

270 ÷ 90 = 3

they will be travelling 3 hours which is 180 minutes

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Put points A, B, C, and D on a line consecutively, so that AB = BC = CD = 6 in. Find the distance between points M and N, the mi
Flauer [41]
The answer is:  " 3 inches " .
___________________________________________________
<u>Note</u>:
___________________________________________________

" 6 inches" / (2) = "3 inches" . 
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                        M      N
                         | 3 "   |  
<------------A------|------B------------C------------D------------>
                 |     6 in    |      6 in   |      6 in    |
                          |


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8 0
3 years ago
Read 2 more answers
Write an equation for an ellipse centered at the origin, which has foci at (\pm\sqrt{8},0)(± 8 ​ ,0)(, plus minus, square root o
Alchen [17]

Answer:

The equation of ellipse centered at the origin

\frac{x^2}{18} +\frac{y^2}{10} =1

Step-by-step explanation:

given the foci of ellipse (±√8,0) and c0-vertices are (0,±√10)

The foci are (-C,0) and (C ,0)

Given data (±√8,0)  

the focus has x-coordinates so the focus is  lie on x- axis.

The major axis also lie on x-axis

The minor axis lies on y-axis so c0-vertices are (0,±√10)

given focus C = ae = √8

Given co-vertices ( minor axis) (0,±b) = (0,±√10)

b= √10

The relation between the focus and semi major axes and semi minor axes are c^2=a^2-b^2

      a^{2} = c^{2} +b^{2}

a^{2} = (\sqrt{8} )^{2} +(\sqrt{10} )^{2}

a^{2} =18

a=\sqrt{18}

The equation of ellipse formula

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

we know that a=\sqrt{18} and b=\sqrt{10}

<u>Final answer:</u>-

<u>The equation of ellipse centered at the origin</u>

<u />\frac{x^2}{18} +\frac{y^2}{10} =1<u />

                                   

8 0
3 years ago
Read 2 more answers
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aleksley [76]
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SCORPION-xisa [38]

Answer:

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Step-by-step explanation:

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5 0
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Which expression is equivalent?
Assoli18 [71]

Answer: last one

Step-by-step explanation:

8 0
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