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Bezzdna [24]
3 years ago
6

Find the value of x

Mathematics
1 answer:
Taya2010 [7]3 years ago
5 0

So for this, we will be using proportions. In this case, our proportion will be \frac{3}{6} =\frac{6}{x}

Firstly, cross-multiply: 36 = 3x

Next, divide both sides by 3 and your answer will be: 12 = x

You might be interested in
-6Y-3=3-6Y what the answer
anyanavicka [17]

The answer is the number that 'Y' must be in order for
the equation to be true.
That number is called the 'solution' to the equation.
Here's one way to go about finding it:

You said that                      - 6y - 3  =  3 - 6y

Add  6y  to each side:                - 3 =  3

Let's stop right here.
Is there any value of 'Y' that can make  -3 = 3 ?
I don't think so.
Your equation has NO SOLUTION.

There is NO NUMBER that you can write in place of 'y'
in your equation
                           - 6y - 3  =  3 - 6y
                                                       and have it work out to be true. 

That's OK.  There are lots of equations that have no solution.


7 0
3 years ago
Is the graph of the function increasing, decreasing, or constant?
Gemiola [76]

Answer:

Increasing

Step-by-step explanation:

If the right end of the line is higher, the function is increasing. If the right end is lower, it’s decreasing. If it’s flat, it is constant.

5 0
3 years ago
Read 2 more answers
a central Angle of a circle of radius 50cm intercept an arc of 10cm. express the central Angle in radian an degrees​
WARRIOR [948]

Answer:  π/5 = 36°

<u>Step-by-step explanation:</u>

The formula for the arc length of a circle is:   s = r Ф   <em>(Ф must be in radians)</em>

Given: s = 10, r = 50

s = r Ф

10 = 50 Ф

(1/5)π = Ф     <em> (We include π because it must be in radians)</em>

Convert into degrees using the proportion π = 180°

\dfrac{\pi}{180^o}=\dfrac{\pi}{5x}\\\\\\5\pi x=180^o \pi\\\\\\x=\dfrac{180^o\pi}{5\pi}\\\\\\x=36^o

6 0
4 years ago
Item 8 A contractor is hired to build an apartment complex. Each 840-square-foot unit has a bedroom, kitchen, and bathroom. The
velikii [3]

Answer:

  700 square feet

Step-by-step explanation:

The total area of two units is 2×(840 ft²) = 1680 ft². Of that area, 980 ft² is allocated to kitchen and bath, so the remaining ...

  1680 -980 = 700 . . . square feet

will be the area of the two bedrooms. The area of each bedroom is half that amount.

350 square feet of carpet is needed for each bedroom.

3 0
3 years ago
A 90% confidence interval for the mean age, in weeks, at which a baby first crawls was reported to be (32, 46). The margin of er
charle [14.2K]

Answer:

The margin of error for this confidence interval is of 7.

Step-by-step explanation:

Confidence interval concepts:

A confidence interval has two bounds, a lower bound and an upper bound.

A confidence interval is symmetric, which means that the point estimate used is the mid point between these two bounds, that is, the mean of the two bounds.

The margin of error is the subtraction between these bounds, divided by 2.

In this question:

The bounds are 32 and 46.

(46 - 32)/2 = 14/2 = 7

The margin of error for this confidence interval is of 7.

6 0
3 years ago
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