HELP ME PLEASE, I'M GIVING YOU ALL MY POINTS ;-; (which is 25)just these 3 questionz!!!!!!!!!

Answers

Answer 1

Answer:

The answer to 31,096 + 59,721 is 89,817 so B 89,800 is the best estimate

2nd- The answer to 69,896 - 42,901 is 26,995 so A 26,900 is the best answer

3rd- 630,429 - 27,811 is 602,618 so the best answer(s) would be A 630,400 and C 27,800

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A room 9m * 7.5m is covered with tiles. Size of each tile is 25cm by 20cm. Find the cost of tiles at the rate of Rs. 45 per tile.
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What is an equation of the line that passes through (-2,-5) and (4,7)

Answers

Answer:

y = 1x - 3

y-y¹=m(x-x¹)
substitute (m=1)
subtract 5 from both

hope it helps....

Tomaz realized that the tip of a second hand on a clock rotates about the center of the clock. He watched the second hand rotate around the center of the clock for 15 seconds. Which describes the rotation he observed? 270 clockwise rotation
90 clockwise rotation
180 rotation
90 counterclockwise rotation

Answers

Second hand on a clock rotates at rate 360 degrees per 60 seconds.

360 degrees - 60 sec
x degrees - 15 sec

$x=(15\cdot360)/(60)\nx=15\cdot6\nx=90$

90 clockwise rotation (none hand of a clock rotates counter-clockwise :))

In this exercise we will use the knowledge of rotation and find that the necessary rotation is 90 clockwise rotation.

To make the rotation calculations we will have to perform a rule of 3 where we will have the clock seconds and the angle formed by the hand, this can be described as:

$360 \ degrees \rightarrow 60 sec\nx \ degree \rightarrow 15 sec$

When performing this rule of 3 we will find 90 clockwise rotation

See more about rotation at brainly.com/question/1571997

Which pair of angles is a linear pair? A. Angle VQT and Angle SQT
B. Angle WQV and angle VQU
C. Angle RQS and angle SQT
B. Angle SQT and Angle TQU

Please respond with the correct answer, and how you got the answer :)

Answers

Hey Jasmine! So a linear pair must equal 180 degrees, Option A makes the most sense to me because if you were to combine both the angles together they would equal 180 degrees, all of the other options would be skewed from 180

PLLLLLLZZZZZ HEEEEELLLLLPPPPP!!! Help will b appreciated

Answers

So I'm m 1 equals 65° m 2 is 130 you just multiply 65×2

18/48 as it's simplest form?

Answers

$(18)/(48)=(3\cdot6)/(8\cdot6)=(3)/(8)$

that would be 3/8 as you cancel down the fractions

Can i get help with math? (picture provided) grade 9
13-18

Answers

Answer:

I dont know what you are supposed to answer with but I'll try to help you out. I take it that you have to find the letter ex. the letter d in 1/2d = 7. What you have to do is to get the d by itself and in order to do that you must move the 1/2 over to the 7. So what you would have to do is take the fraction that has the letter on it and move it to the whole number side or the side without the letter but without moving the d.The d stays on one side while the other numbers are on the other side. When you move the 1/2 over it should look like this sort of due to the limitations of only being able to use text: d = 7 ÷ 1/2. Now after that you have to divide 7 by 1/2 or .5 for question 13 in this instance. Your answer for 13 should be this: d=4.5Makesuretoshowallyourworkjustincase.

13. d = 4.5

14. 18 = f

15.-9=s

16.-24 = r

17. 0.125 = y

18. -3 = v

Hope I could help as I am also a fellow 9th grader

ANSWERS:

13) d= 14
14) f= 18
15) s= -9
16) r= -24
17) y= 1/8
18) v= -3

SOLUTION:
13) multiply both sides by 2
14) multiply bothsides by 6 then divide both sides by 5
15) multiply both sides by 3 then divide both sides by 2
16) multiply both sides by 8 then divide both sides by -3
17) divide both sides by 4/5
18) divide both side by 1/4