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yawa3891 [41]
3 years ago
14

Someone please help me. ASAP

Mathematics
2 answers:
Iteru [2.4K]3 years ago
5 0

Step-by-step explanation:

8x-4=3x+36

8x-3x=36+4

5x=40

X=8    

Anna35 [415]3 years ago
3 0
2x-1=3/4x+9
2x-3/4x=9+1
1.25x=10
X= 8
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If he had $422 to begin with and bought $524 worth of stuff with money he didn't have them his account would go into the negative, $-102
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The solution of<br> 20-12-<br> d -12 -15 is d 28<br> TRUE<br> FALSE
Lena [83]

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TRUE

Step-by-step explanation:

6 0
3 years ago
By how many degrees did the direction of the boat change
gulaghasi [49]

Answer:

The boat turned <u>39°</u> degrees when it made its first turn.

Step-by-step explanation:

The question is as following:

A boat traveled north for 28 miles, then tuned x° south west and traveled for 25 miles before stopping. When it stopped, the boat was 18 miles from its starting point.

By how many degrees did the direction of the boat change when it made its first turn? Round to the nearest degree.

===================================================

See the attached figure which represent explanation of the problem.

The boat start from point A to point B then stopped at point C

AB = 28 miles, BC = 25 miles and AC = 18 miles.

It is required to find the angle x

By applying the cosine Rule:

AC² = AB² + BC² - 2 * AB * BC * cos x

18² = 28² + 25² - 2 * 28 * 25 * cos x

2 * 28 * 25 * cos x = 28² + 25² - 18²

1400 cos x = 1085

Cos x = 1085/1400 = 0.775

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So, the boat turned <u>39°</u> degrees when it made its first turn.

8 0
3 years ago
85,146 rounded to the nearest thousand
larisa [96]
85,000 is your answer because The one in 146 is less then five
4 0
3 years ago
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Gabriel wants to send a parcel to Italy.
MrRissso [65]

Answer:

Step-by-step explanation:

10+20+40=70

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2800*0.02=28*100*0.02=28*2=56 L (Go Parcels)

4 0
3 years ago
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