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3 years ago

I need help on all of this problems please help

Mathematics

1 answer:

Marrrta [24]3 years ago

6 0

Answer:

If we are working in a coordinate plane where the endpoints has the coordinates (x1,y1) and (x2,y2) then the midpoint coordinates is found by using the following formula:

midpoint=(x1+x22,y1+y22)

Step-by-step explanation:

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How do you factorise 20w2y+24wy3

Lilit [14]

$20w^2y+24wy^3=4wy(5w+6y^2)$

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3 years ago

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Sam drove 220 miles on 8 gallons of gas. find the unit rate.

zmey [24]

Answer:

27.5

Step-by-step explanation:

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3 years ago

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amber wants to put tile on the back special for kitchen counter she will need 36 square feet of tile.she will use basic tile tha

Komok [63]

Answer: Amber use 30 feet of basic tiles and 6 feet of decorative tiles.

Step-by-step explanation:

Let x be the foot of basic tiles and y be the foot of decorative tiles.

Now, according to the question, we have the following equations

$x+y=36\\y=36-x\ .......(1)\\\\8x+20y=36\times10\\2x+5y=90.......(2)\ \ \ [\text{divide equation by 4}]$

Put y=36-x in (2), we get

$2x+5(36-x)=90\\\Rightarrow2x+180-5x=90\\\Rightarrow-3x=-90\\\Rightarrow\ x=30\\\\\Rightarrow\ y=36-30=6$

Hence, Amber use 30 feet of basic tiles and 6 feet of decorative tiles.

5 0

3 years ago

Please as soon as possible. This is due in twenty Mins!

hammer [34]

Answer:

144 sq feet.

Step-by-step explanation:

A=B×H/2 2.5×4.8=12 12/2=6

24×6=144.

8 0

2 years ago

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The average low temperatures in January are given for a few cities. Arrange the cities in increasing order of their temperatures

Sedbober [7]

Answer:

Barrow

Littlefork

Chicago

Topeka

Boston

Step-by-step explanation:

Freezing point is 0° while boiling point is 100°

Temperatures below 0° are very cold and temperatures greater than 0° are warmer compared to temperatures below 0°

The coldest would be barrow

the next is Littlefork

Then Chicago and Topeka and Boston

5 0

3 years ago

I need help on all of this problems please help ​

I need help on all of this problems please help