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3 years ago

Which of the following represents the proportion 6 is to 9 as 12 is to 18?

Mathematics

1 answer:

sattari [20]3 years ago

7 0

Answer:

Step-by-step explanation:

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Solve for x.<br><br> (x−2)^2+2=38<br><br> x= ___ or x= ___

Elan Coil [88]

Answer:

$x \: = \: \boxed{ \bold{ - 4 }}\: \: \text{or} \: \: x \: = \: \boxed{ \bold{ 8}}$

Step-by-step explanation:

$(x \: - \: 2 {)}^{2} \: + \: 2 \: = \: 38$

${x}^{2} \: - \: 4x \: + \: 4 \: + \: 2 \: = \: 38$

${x}^{2} \: - \: 4x \: + \: 6 \: = \: 38$

${x}^{2} \: - \: 4x \: + \: 6 \: - \: 38 \: = \: 0$

${x}^{2} \: + \: 4x \: - \: 8x \: - \: 32 \: = \: 0$

$x \: \times \: (x \: + \: 4) \: - \: 8(x \: + \: 4) \: = \: 0$

$(x \: + \: 4) \: \times \: (x \: - \: 8) \: = \: 0$

When it happens that the product of the factors is the same as zero. It is divided into two possible cases.

$x \: + \: 4 \: = \: 0 \\ x \: - \: 8 \: = \: 0$

We solve the two equations:

$x \: = \: - 4 \\ x \: = \: 8$

<h2>Answer: </h2>

$x \: = \: - 4 \\ x \: = \: 8$

<h3><em><u>MissSpanish</u></em></h3>

6 0

2 years ago

PLEASE HELP! AS SOON AS POSSIBLE I HAVE TO BE DONE IN 10 MINS !

jolli1 [7]

Answer:

Step-by-step explanation:

6 0

3 years ago

Aubrey and Charlie are driving to a city that is 120 mi from their house. They have already traveled 20 mi, and they are driving

Ivan

1. The total distance will be equal to 20 miles plus the remaining distance which would be obtained when you multiply the speed to time t. The equation would be written as follows:

<em>120 = 20 + 50t</em>

2. The minimum time would be 0 hours. The maximum time is when the total distance of 120 is fully covered.

t ≤ (120 - 20)/50
t ≤ 2 hours

<em>Thus, the domain would be 0 < t ≤ 2.</em>

8 0

3 years ago

PLEASE HELP SOLVING LINEAR AND EXPONENTIAL EQUATIONS HELPPPP

PtichkaEL [24]

Answer: D.

x≈33/8

Step-by-step explanation:

$\left(\frac{3}{2}\right)\left(-x+\frac{15}{2}\right)=u$