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Ilia_Sergeevich [38]
2 years ago
7

Round 249798.828806 to the nearest ten.

Mathematics
2 answers:
Artyom0805 [142]2 years ago
5 0
249798.8

The nearest ten
Nitella [24]2 years ago
3 0

Answer: the answer is like it is

Step-by-step explanation:

You just round the number in the tenths 0 is closer to 0 then to 10!

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Nendell saw at a diner if he bought one of each item and spent $7.50, how much did the drink cost
Lana71 [14]
All together: <span>3x + 0.05 + x + x + 0.10 = 7.50 

 5x + 0.15 = 7.50 

5x = 7.35 

 x = 1.47 

</span>1.47 +0.10=1.57<span>

so, the drink costs 1.57 </span>
4 0
3 years ago
Read 2 more answers
How many minutes are in the month of October
nadezda [96]

October has 31 days.

31 days x 24 hours in a day x 60 minutes in one hour 

= 44,640 minutes.

6 0
3 years ago
Diego then says if we take half the first number and double the second the sum is 14. write an equation that could represent thi
Anon25 [30]

x = the first number

(x/2)² = 14

Hope this helps!

Can I get brainliest? thanks.

5 0
3 years ago
Can someone solve it step by step for me please?
masya89 [10]
Okay, this is a simplified version of how to solve this complicated equation.

First add like terms but in this equation is not very efficient when solving.

So subtract the -2x squared from both sides and the equation should like mine

x⁴ + 4x³ + 12x + 45 = x ² -2x ² + 6x + 9

So keep the left side of the equation the same, but change the right like this because your adding the x squared.

-x² + 6x + 9

Now go back to the whole equation

x⁴ + 4x³ + 12x + 45 = -x² + 6x + 9

You can’t do anything on the left side of the equation do the same process with the other numbers like this:

x⁴ + 4x³ + 12x = -x² + 6x + 9 -45

You subtract the 45 from each side and it’s negative on the other side because you subtracted it.

Now add the 9 and -45 = -36

Now the equation should look like this:

x⁴ + 4x³ + 12x = -x² + 6x -36

Subtract -12x from each side and the 12x on the left side of the equation is canceled out and is gone

The equation should look like this:

x⁴ + 4x³ + = -x² + 6x -36 -12x

Then add the 6x and -12x because they are like terms

So this is the final simplified version of the complex problem

x⁴ + 4x³ + = -x² + -36 -6x

You can’t add any other like terms to find the value of x because x and x² can’t be added together

7 0
2 years ago
An airplane has an air speed of 700 kilometers per hour at a bearing of 30 degrees The wind velocity is 40 kilometers per hour f
Lena [83]

Answer:

The red arrow shows the resultant vector. We have a Side Angle Side triangle ABC so can use The Cosine Rule:

a2=b2+c2−2bccosA

This becomes:

R2=7002+402−(2×700×40×cos45)

R2=491,600−39,597.9

R=672.3xkm/hr

This is the groundspeed of the aircraft.

To find θ we can use The Sine Rule:

sinCc=sinAa

This becomes:

sinθ40=sin45672.3

sinθ=0.04207

θ=2.41∘

This is known as the drift angle and is the correction the pilot should apply to remain on course.

The heading is the direction the aircraft's nose is pointing which is 000∘.

The track is the actual direction over the ground which is 357.6∘

An alternative method to this would be to separate each vector into vertical and horizontal components and add.

The resultant can be found using Pythagoras.

8 0
3 years ago
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