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irga5000 [103]
3 years ago
6

A scientist builds a Mars rover that can travel 4.9 centimeters per second on flat ground.

Mathematics
2 answers:
harina [27]3 years ago
8 0

Answer:

Step-by-step explanation:

distance = time * speed

4.9 =  1 second* speed

speed = 4.9/1 = 4.9 cm/sec

time = 15 1/2 = 31/2

distance = 31/2 *  4.9 = 75.95 cm

tatyana61 [14]3 years ago
7 0

Answer:

75.95cm

Step-by-step explanation:

<u>4.9 multiplied by 15 will represent the 15</u> <u>seconds</u>

4.9 • 15 = 73.5

<u>4.9 divided by 2 will equal the 1/2 seconds</u>

4.9 ÷ 2 = 2.45

<u>add them all together</u>

73.5 + 2.45 = 75.95 cm

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The box plots show the weights, in pounds, of the dogs in two different animal shelters.
vovikov84 [41]

Answer:

The range in shelter A is 22, and the range in shelter B is 18.

Step-by-step explanation:

Okay so basically, the range is the difference between the smallest number and the greatest number.

The smallest weight for shelter a is 8. The largest weight is 30.

30-8= 22.

Same thing for the other shelter. The smallest weight is 10, and the largest weight is 28. 28-10= 18.

7 0
4 years ago
How much cardboard will be needed to make the box? 4 feet by 3 feet with a height of 2 feet
sergiy2304 [10]

Answer:

52 ft²

Step-by-step explanation:

When you are calculating the amount of cardboard needed to make a box, you are trying to the the <u>surface area</u>.

The formula for surface area of a rectangular prism is:

SA = 2(lw + hl + wh)

The dimensions for the box are written l X w X h (length times width times height).

We know:

l = 4

w = 3

h = 2

The units for surface area is the unit squared. Feet squared is ft². Be sure the include the units.

Substitute these numbers into the formula. When solving, solve in the BEDMAS order (brackets, exponents, division and multiplication, addition and subtraction).

SA = 2(lw + hl + wh) u²

SA = 2((4*3) + (2*4) + (3*2)) ft²      Multiply within each smaller bracket

SA = 2(12 + 8 + 6) ft²          Add inside the brackets

SA = 2(26) ft²        Multiply

SA = 52 ft²         Final answer

Therefore 52 square feet of cardboard will be needed to make the box.

8 0
3 years ago
Randy can run six-tenths of a mile every 4 minutes, but it takes Julie 5 minutes. By the time Julie has run for 20 minutes, how
katen-ka-za [31]

Answer:

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Step-by-step explanation:

you have to make a table to see that randy has run 3 miles.!!!

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3 years ago
Anyone wanna talk with me
QveST [7]

Answer:

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3 years ago
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It would be a 3:2 chance the first one picked was green and 5:4 chance the second is also green. Hope this helps.
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3 years ago
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