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4 years ago

Please help me someone!!!

1 answer:

5 0

(3 + x^3 + 3x^2)+(2x^3 −2 −4x^2)
= 3 + x^3 + 3x^2+ 2x^3 −2 −4x^2
= 3x^3 - x^2 + 1

answer
3x^3 - x^2 + 1 in standard form

hope it helps

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It cost $246 to turf a lawn of 43m ² . how much will it cost to turf a lawn of 61m square 2 .

ArbitrLikvidat [17]

Answer:

$348.96

Step-by-step explanation:

246÷43=5.72

61-43=18

18×5.72=102.96

102.96+246=348.96

4 0

3 years ago

Please help me!! I'm terrible at math

Archy [21]

Girl thats so easy i can help you

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3 years ago

What is the volume of the sphere?

zavuch27 [327]

The volume of a sphere is π x 4/3 x radius³
so in this questions, just put the numbers in the equation,
3.14 x 4/3 x 3³
=113.04
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6 0

4 years ago

One spring day, Kennedy noted the time of day and the temperature, in degrees

Rufina [12.5K]

Answer:

Please find attached the required graph for the temperature time relationship

Step-by-step explanation:

The parameters given are arranged in a tabular form as follows;

Time Temperature

6 a. m. 56° F

7 a. m. 59° F

8 a. m. 62° F

9 a. m. 66° F

10 a. m. 70° F

11 a. m. 74° F

12 p. m. 74°F

1 p. m. 74°F

2 p. m. 74°F

3 p. m. 74°F

4 p. m. 74°F

5 p. m. 74°F

6 p. m. 74°F

7 p. m. 71°F

8 p. m. 68°F

9 p. m. 65°F

10 p. m. 62°F

11 p. m. 61.5°F

12 a. m. 61°F

With the above table as the data points, the graph can be drawn

From Excel, The Mean temperature is approximately 68.1°F

The standard deviation is 6.079 °F

3 0

3 years ago

A rectangular garden measures 26ft by 37ft. Surrounding (and bordering) the garden is a path 2ft wide. Find the area of this pat

Bess [88]

26*37=962sqft
Add 4 ft to both numbers (2ft per side)
30*41=1230sqft
Subtract out the garden area
1230-962=268sqft
The path is 268 sq ft

7 0

3 years ago