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dezoksy [38]
3 years ago
6

2(x+4)=30 what is the answer

Mathematics
2 answers:
sergey [27]3 years ago
5 0
To solve for x:

Distribute the 2 first.

2x + 8 = 30

Now subtract 8.

2x = 30 - 8
2x =  22

Divide by 2

x = 22/2
x = 11

Hope this helps :)
Talja [164]3 years ago
3 0
<span>2(x+4)=30
divide both sides by 2
x + 4 = 15
subtract 4 to both sides
x = 11</span>
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Nuetrik [128]
Yes its correct you did well :)
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B^7 divided b^4 simplified
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=  {b}^{3}

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3 years ago
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Tom [10]
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3 0
3 years ago
Two cars leave Phoenix and travel along roads 90 degrees apart. If Car 1 leaves 30 minutes earlier than Car 2 and averages 42 mp
romanna [79]

Answer:

C. 210 miles

Step-by-step explanation:

We have been given that two cars leave Phoenix and travel along roads 90 degrees apart. Car 1 leaves 30 minutes earlier than Car 2 and averages 42 mph.

We will use distance formula and Pythagoras theorem to solve our given problem.

\text{Distance}=\text{Speed}\times \text{Time}

\text{Distance covered by Car 1 in 3.5 hours}=\frac{42\text{ Miles}}{\text{Hour}}\times \text{3.5 hour}

\text{Distance covered by Car 1 in 3.5 hours}=147\text{ Miles}.

Since car 1 leaves 30 minutes before car 2, so car 2 will travel for only 3 hours when car 1 will travel for 3.5 hours.

\text{Distance covered by Car 2 in 3 hours}=\frac{50\text{ Miles}}{\text{Hour}}\times \text{3 hour}

\text{Distance covered by Car 2 in 3 hours}=150\text{ Miles}

Since both car travel along roads 90 degree apart, therefore, the distance between both cars after Car 1 has traveled 3.5 hours would be hypotenuse with legs 147 and 150.

\text{Distance between both cars}=\sqrt{147^2+150^2}

\text{Distance between both cars}=\sqrt{21609+22500}

\text{Distance between both cars}=\sqrt{44109}

\text{Distance between both cars}=210.021427\approx 210

Therefore, the both cars will be 210 miles apart and option C is the correct choice.

3 0
3 years ago
Va rog repedeeee și corect
otez555 [7]

Answer:

discupa eu não sei

um belo dia abençoado

7 0
3 years ago
Read 2 more answers
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