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Gelneren [198K]
3 years ago
13

4 = 2/3 ( x + - 12 )

Mathematics
2 answers:
sergiy2304 [10]3 years ago
7 0

Answer:

X IS EIGHTEEN


Step-by-step explanation:

4=2/3x-8

12=2/3x

divide both sides by 2/3

36/2=18

hichkok12 [17]3 years ago
3 0

Answer:

18 = x

Step-by-step explanation:

4 = 2/3 ( x + - 12 )

4 = 2/3x - 8

+8          + 8

<u>12 = 2/3x</u>

2/3   2/3

18 = x


Sorry if I'm incorrect...

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James bought a cake that weighs 3 and 1 over 4 pounds. How many ounces does the cake weigh? Show your work. (5 points)
kolezko [41]

The weight of James cake in ounces is 52 ounces and the Pint of water dispensed in 20 seconds is 24 pints

<h3>Weight</h3>

  • Weight of cake = 3 1/4 pounds

1 pound = 16 ounces

Number of ounces the cake weigh = 3 1/4 pounds × 16 ounces

= 13/4 × 16

= (208) / 4

= 52 ounces

  • Water dispensed per second = 0.15 gallons
  • Number of seconds = 20 seconds

1 gallon = 4 quarts

0.15 gallon = 0.6 quarts

1 quart = 2 pints

0.6 quart = 1.2 pints

Pint of water dispensed in 20 seconds = 1.2 × 20

= 24 pints of water

Learn more about weight:

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8 0
2 years ago
Nonstandard dice can produce interesting distributions of outcomes. you have two balanced, six-sided dice. one is a standard die
Artyom0805 [142]
<span>1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12
   
One die can show the values 1-6, while the other die can only show 0 or 6. So the possible totals are 1 through 6 plus 0 and 1 through 6 plus 6. Written out, one-by-one, this gives: 1+0 = 1 2+0 = 2 3+0 = 3 4+0 = 4 5+0 = 5 6+0 = 6 1+6 = 7 2+6 = 8 3+6 = 9 4+6 = 10 5+6 = 11 6+6 = 12</span>
6 0
3 years ago
What is 6.3-2(1.5c+4.1)
ASHA 777 [7]
Expand\;-2\left(1.5c+4.1\right)
\mathrm{Distribute\:parentheses\:using}: \:a\left(b+c\right)=ab+ac
\;a=-2,\:b=1.5c,\:c=4.1

Simplify\;-2\cdot \:1.5c-2\cdot \:4.1 \ \textgreater \  \mathrm{Multiply\:the\:numbers:}\:2\cdot \:1.5=3
-3c-2\cdot \:4.1

\mathrm{Multiply\:the\:numbers:}\:2\cdot \:4.1=8.2 \ \textgreater \  -3c-8.2 \ \textgreater \  6.3-3c-8.2

\mathrm{Subtract\:the\:numbers:}\:6.3-8.2=-1.9 \ \textgreater \  -3c-1.9

Hope this helps!
7 0
2 years ago
Read 2 more answers
a tennis player hits a serve that cannot be returned 45 percent of the time. Out of 300 serves, how many can yiu predict will no
lubasha [3.4K]

Remember that 45%=45/100=0.45

So if the tennis player serves the ball 300 times, and 45% cannot be returned, then we can use the following expression to solve for the answer:

300*0.45=135serves

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4 0
3 years ago
Let f(x) = cx^k be a power function such that f(13) is four times the size of f(1). What is the power k?
Ivenika [448]

Answer:

0.540

Step-by-step explanation:

Hi there,

To get started in order to solve this, please recall the property of logarithms.

This question is a bit tricky, but doable. Best way to solve this is first compare the two functions:

f(x) = cx^{k} \\ f(13)=4f(1)  

Now, let's see what the function gives at 13 and 1:

f(13)=c13^{k}\\f(1)=c1^{k}

Something to recognize is that 1 to the power of <em>anything</em> is just 1, so f(1) is reduced to:

f(1)=c  We are making progress!

Next, we can set both f(13) forms equivalent to each other, watch this:

f(13)=f(13) = 4f(1) but we know what f(1) is equal to, and let's substitute our knowns:

c13^{k}=4c1^{k} = 4c the c constant on both left and right side cancel out:

13^{k}=4 Now, take the logarithm form of both side of the equation. I used natural log, but you can also use common logs:

ln(13^{k})=ln(4)  ⇒ k*ln(13)=ln(4) this was performed using <em>the power  log rule. </em>

Isolate k:

k=\frac{ln(4)}{ln(13)} =0.540 using a calculator.

If you liked this solution, hit Thanks or give a rating!

thanks,

8 0
2 years ago
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