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3 years ago

14

- a/6 =1 Help Please

1 answer:

igor_vitrenko [27]3 years ago

5 0

¿Qué necesitas mi amigo?

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What is the value of x if HF = 4x+1 and AB = 12x-3?|<br><br><br> Given m

Reptile [31]

Answer: <em>x = 1.25</em>

Step-by-step explanation:

<em>HF - is the middle line of the triangle ABC.</em>

$HF=\dfrac{1}{2} AB\\\\HF=4x+1\\AB=12x-3\\\\4x+1=\dfrac{1}{2} \cdot (12x-3)\\\\4x+1=\dfrac{12x-3}{2} \\\\(4x+1) \cdot 2 =12x-3\\8x+2=12x-3\\8x+2-12x=12x-3-12x\\-4x+2=-3\\-4x+2-2=-3-2\\-4x=-5\\-4x \cdot (-1)=-5 \cdot (-1)\\4x=5\\4x \div 4=5 \div 4\\x=1.25$

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2 years ago

What do you do after multiplying in the elimination method?

Vladimir79 [104]

Answer:

divide or add

Step-by-step explanation: pemdas

parenthesis

exponent

multiply or divide

add or subtract

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2 years ago

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Select two ratios that are equivalent to 2:12 A.6:40 B.12:2 C.3:24 D.1:6 E.8:48

Sever21 [200]

Answer:

E

Step-by-step explanation:

2:12 is equivalent to 8:48

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2 years ago

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Find the distance between 0,-1 and 3,7

garri49 [273]

The answer is (2,889 mi) hope it helps and have a great day!

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3 years ago

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the school band is comprised of middle school and high school students but it always has the same exact capacity. last year the

BaLLatris [955]

This year
2:7
18:?
well 2*9=18
so 7*9=63
18/63
(18+63=total 81 students)
Last year
1/8
multiply by 9
9/72
9 less students this year

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2 years ago