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faust18 [17]
3 years ago
10

Two less than 2 times a number is the same as the number plus 64

Mathematics
2 answers:
sp2606 [1]3 years ago
5 0
2\cdot x-2=x+64\\2x-x=64+2\\x=66
AVprozaik [17]3 years ago
4 0
2a -2 =a +64

2a-a =64 +2

a= 68
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Answer:

3,000 miles

Step-by-step explanation:

Calculation for the distance, in miles, between Mora's house and her cousin's house

Distance in miles =(2centimeters÷20centimeters) *300 miles

Distance in miles=10*300 miles

Distance in miles= 3,000 miles

Therefore the distance, in miles, between Mora's house and her cousin's house will be 3,000 miles

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7 0
2 years ago
Of a journey of 216km, 56km were on untarred road. for this part of the journey, a motorist could only average 28km/h. if his av
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Answer:

64 km/hr

Step-by-step explanation:

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2 years ago
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olchik [2.2K]

Answer:

x=98.13^\circ,135^\circ,278.13^\circ,315^\circ

Step-by-step explanation:

tan^2x+7tanx+8=0,[0^{\circ},360^\circ)

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u=tanx <-- U-substitution

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(tanx+7)(tanx+1)=0 <-- Replace u with tanx

tanx+7=0

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Therefore, x=98.13^\circ,135^\circ,278.13^\circ,315^\circ

6 0
3 years ago
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