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mina [271]
3 years ago
15

How you would estimate to subtract 189 from 643

Mathematics
2 answers:
lions [1.4K]3 years ago
7 0
643-189=450 bevause when you subtract you get 454 and if you are estimating you are rounding and it has a digit 4 in the ones place so you would have to round down because it is not 5 or more



SO MY FINAL ANSWER TO YOU IS 4⃣5⃣3⃣
sleet_krkn [62]3 years ago
4 0
Estimate 189 to the nearest tenth which would be 190. And then do the same for 643 which would be 640. 640-190= 450
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2 years ago
April is an avid chess player. She sets up a coordinate system on her chess board so she can record the position of the pieces d
NemiM [27]

Answer:

6.7

Step-by-step explanation:

To solve this problem, we need to calculate the distance between two points in the XY coordinate plane.

The formula to calculate this distance is:

d = sqrt(dx^2 + dy^2)

where dx is the difference between the X coordinate of the points, dy is the difference between the Y coordinate of the points, and d is the distance.

(sqrt is the square root of what is in the parenthesis)

The first point (April's king) has X=4 and Y=2, the second point (the opponent's king) has X=7 and Y=8.

So, we have that dx = 4-7 = -3 and dy = 2-8 = -6

Now, we calculate the distance:

d = sqrt[ (-3)^2 + (-6)^2 ] = sqrt(9+36) = sqrt(45) = 6.7082 = 6.7

4 0
3 years ago
2х + Зу = 24<br> What is the x and y intercept
DochEvi [55]

Answer:

rearrange into y=mx+c

so it becomes

3y= -2x+24

y= (-2/3)x+24

substitute values for x

when x is 0

y is (-2/3)*0=0 +24 =24

<h2>y=24</h2>

for x intercept

0=(-2/3)*x+24

0-24=-2/3*x

-24/(-2/3)=x

<h2>x= -36</h2>

3 0
3 years ago
Four root of five<br><img src="https://tex.z-dn.net/?f=4%20%5Csqrt%7B5%20%3D%20%7D%20" id="TexFormula1" title="4 \sqrt{5 = } " a
Georgia [21]

Answer:

8.94427191

:)

Step-by-step explanation:

7 0
3 years ago
Would somebody be nice enough to help me?
dlinn [17]

Answer:

25$ each

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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