Describe how to round 3.987 to the nearest tenth.

Answers

Answer 1

Answer: First since you have a decimal the tenth place is to the right of the decimal. And the number in the tenths place is 9 so you look at the number 8 and since it is 5 or greater you round up one so now the 9 becomes 10 so the 9 will be the zero and the 3 becomes 4. So your number should be 4.0
Hope this helps :)

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Which point represents the order pair (2,-4)

Answers

Answer: Second option.

Step-by-step explanation:

By definition, a Coordinate plane has an horizontal axis, which is called the x-axis and it also has a vertical axis,which is called the y-axis.

Observe in the picture given in the exercise that the point of intersection between the x-axis and the y-axis is the point $(0,0)$ , which is known as "Origin".

Given a point (x, y), "x" is the x-coordinate of the point and "y" is the y-coordinate of the point.

Then, given the following point:

$(2,-4)$

You can identify that its x-coordinate is:

$x=2$

And its "y" coordinate is:

$y=-4$

You can observe in the picture that this coordinates corresponds to the point B.

The baby sleeps from 9pm to 5am. How many hours does the baby sleep?

Answers

Answer: 8 hours.

Step-by-step explanation:

If the baby sleeps from 9pm to 5am, you will count. 9pm-12am is 3 hours of sleep. if you add 5 more hours, (12am+5 hours) it equals 5am. 5hours + 3hours is 8 hours.

Answer: 8 hours

Step-by-step explanation:

if you add 9+5 you will get 14 but if you count it like you would for hours it would be 9-10-11-12-1-2-3-4-5

418.6 divided by 80.5

Answers

and the answerrrrrr issssss 5.2! :)

5.2 is the answer to your problem

Kacey is making a necklace that is 16 inches long. She uses 5 beads for every inch. How many beads will she need. How can i explain how to solve it ?

Answers

16 inches x 5 beads per inch is 80 beads total you would need to make a 16 inch necklace.

kacey is making a neklace long= 16
she uses bead for 1 inch= 5
she uses beads for 16 inches=16*5= 80

How do you find the area of parralelogram

Answers

Answer:

See below.

Step-by-step explanation:

The area = length of the base * perpendicular height.

If you are given the lengths of the side and the measure of one of the angles you can use the trigonometry to find the perpendicular height.

Robert sketches two rectangular prisms, A and B. Prism A's side lengths are 5 centimeters, 6 centimeters and 7 centimeters. Prism B's side lengths were twice those of prism A's: 10 centimeters,12 centimeters, and 14 centimeters. Robert says that surface area of prism B is twice the surface area of prism A. Is he correct? If he is not, how many times as great as prism A's surface area is prism B's surface area? Show your work.

Answers

fasle
LH=legnth times height
HW=height times width
LW=legnth times width
surface area=2(LH+LW+WH)

A surface area is 2(5*6+5*7+6*7)=214

b surface area is double everybody si
2(10*12+10*14+12*14)=856

214 times 2=428

he is wrong

how many times as great?
856/214=4

answer is 4 times

net is second drawing

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