suraj drives first 120 km in 2 hrs and next 180 km in next 4 hrs. what is his average speed for the entire trip in km per hr.

Answers

Answer 1

Answer:

Answer:

average speed (v) = total distance / time taken = 120+180 / 2+4= 300/6= 50 km/min

Hope this helps!

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SOMEONE JUST GIVE ME THE ANSWER

The area formed by a plane cutting through a solid perpendicular to its axis is aA.cross section
B.Longitudinal section
C.Cylindrical Section
D.Middle section

Answers

Answer:

cross section

Step-by-step explanation:

The area formed by a plane cutting through a solid perpendicular to its axis is a cross section.

A cross section area is the area obtained from a three dimensional object like sphere when it is sliced at any axis perpendicular at a point. For example cross section of a cylinder sliced parallel to its base is circle.

What is 3x^4+2x^3-5x^2-4 divided by x+2?

Answers

3x³ - 4x² - 13x + 26
x + 2|3x⁴ + 2x³ - 5x² + 0x - 4
- (3x⁴ + 6x³)
-4x³ - 5x²
- (-4x³ + 8x²)
-13x² + 0x
-(-13x² - 26x)
26x - 4
-(26x + 52)
-56

$(3x^(4) + 2x^(3) - 5x^(2) - 4)/(x + 2) = 3x^(3) - 4x^(2) - 13x + 26 + (-56)/(x + 2)$

Simplify: 12 + 8 + 12 - 20

Answers

12 + 8 = 20
12 - 20 = -8
20 + - 8 = 20 - 8 = 12

12 + 8 + 12 - 20 can be simplified to just 12.

Amy ran 3/4 mile write the distance amy ran as a decimal

Answers

we just need to perform the indicated division:
3/4 = 0.75
that is the solution as decimal, they are equivalent

Solutions

To convert fraction to decimal divide the numerator by denominator.

3 ÷ 4 = 0.75

0.75 is decimal

Solve the following system of equations using elimination (addition)5x - 6y = - 32

3x + 6y = 48

Answers

Answer:

x = 2

y = 6 1/3

Step-by-step explanation:

5x - 6y = -32

3x + 6y = 48

-----------------

8x = 16

x = 2

5(2) - 6y = 48

10 - 6y = 48

-6y = 48 - 10

-6y = 38

y = 6 1/3

A photocopy was made of julie's watercolor painting. the photocopy resized the painting so that it measured 4 inches wide by 7 inches long. if the actual painting is 16 inches wide, what is the length A.28 inches
B.9.14 inches
C.38 inches
D.64 inches

Answers

First, set up a ratio.

4:7= 16:x
You mutiply 4 by 4 to get 16, so you multiply 4 to 7.

4:7= 16:28
Therefore, the answer is A, 28 inches.

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Consider the following food chain: Plants are eaten by grasshoppers, which are eaten by mice, which are eaten by snakes. What would happen to the other members of the food chain if the plant population was wiped out? a. The populations of grasshoppers, mice, and snakes would increase. b. The populations of grasshoppers and mice would increase, while the population of snakes would decrease. c. The populations of grasshoppers would decrease, while the population of mice and snakes would increase. d. the number of plants will increase, the number of grasshoppers will increase, the number of snakes will increase

Cube root of 8x minus 2 equals 4

Lane is 10 times Mels age. If the difference in their age is 27, how old is Mel?