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stepladder [879]
3 years ago
10

1/3x+3=13 what is the answer for x

Mathematics
2 answers:
Margaret [11]3 years ago
4 0

Step-by-step explanation:

I'm not sure if the question is \frac{1}{3}x + 3 = 13 or \frac{1}{3x} + 3 = 13, so we can do both:

\frac{1}{3}x + 3 = 13

First, let's subtract 3 from both sides to isolate the x on the left-hand side:

\frac{1}{3}x = 10

Next, let's multiply both sides by 3 to get x by itself:

x = 30

\frac{1}{3x} + 3 = 13

First, let's subtract 3 from both sides to isolate the x on the left-hand side:

\frac{1}{3x} = 10

Next, we can take the reciprocal of both sides to get rid of the fraction on the side with x:

3x = \frac{1}{10}

Next, we can divide both sides by 3 to get x by itself:

x = \frac{1}{30}

andre [41]3 years ago
4 0

Answer:

x = 30

Step-by-step explanation:

to solve for value of x in this expression 1/3x+3=13

solution

1/3x+3=13

collect the like terms

1/3x = 13 -3

1/3x = 10

multiply through by 3

x = 30

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6 0
3 years ago
50 Benson purchased a $1,800 certificate of deposit that earns s
Pavlova-9 [17]

Answer:

3.2%

Step-by-step explanation:

The computation of the annual rate of interest is shown below:

As we know that

Simple interest = Principal × rate of interest × time period

($1,857.60 - $1,800)  = $1,800 × rate of interest × 1

$57.60 = $1,800 × rate of interest × 1

So, the rate  of interest is

= $57.60 ÷ $1,800 × 100

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Hence, the rate of interest on annual basis is 3.2%

5 0
2 years ago
Round to the nearest hundreth
n200080 [17]

Answer:

∠ B ≈ 66.42°

Step-by-step explanation:

Using the cosine ratio in the right triangle

cos B = \frac{adjacent}{hypotenuse} = \frac{BC}{AB} = \frac{2}{5}, thus

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3 0
3 years ago
Please help quick lol
sergiy2304 [10]

Hello!!

here's ur answer...

given that the volume of cube=343cm³

side³=343cm³

side=³√343

side=7cm

verification:-

volume of cube=side³

=7×7×7

=343cm³

hence, verified.

the length of the edge of cube is 7cm.

hope this helps....

8 0
3 years ago
5000 principal earning 4% compounded annually, 7 years
almond37 [142]

Answer:

Step-by-step explanation:

Basically, you want to know interest. I = prt is the formula. 'I' will be left blank b/c that's unknown. P is principal, 5000. R is rate, 4%, or 0.04 when turned into a decimal. T is time, 7 years. So now when using the formula, it will all become I = 5000(0.04)(7). What that means is you first multiply 5,000 by 0.04, getting 200. Then when you multiply 200 by 7, it's 1,400, which will leave you with I = 1,400. Interest is 1,400.

4 0
2 years ago
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