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Inga [223]
3 years ago
12

The opposite of 10/7

Mathematics
2 answers:
andrew-mc [135]3 years ago
5 0
 this is the answer 7/10
9966 [12]3 years ago
3 0
The reciprocal 0f 10\7 is 7\10
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Now that you have converted a terminating decimal number into a fraction, try converting a repeating decimal number into a fract
Tom [10]
The first step is to assign the decimal number to a variable.

For the repeating fraction 0.111_1, this would look like
.. x = 0.111_1 . . . . . . . . . . where we use an underscore to identify the following digit(s) as repeating

The next step is to multiply that value by 10 to a power equal to the number of repeating digits. If there is one repeating digit (as here), then you want (10^1)x = 10x.
.. 10x = 1.111_1

The third step is to subtract x from this.
.. 10x -x = 1.111_1 -0.111_1 = 1
.. 9x = 1

And the final step is to divide by the coefficient of x.
.. x = 1/9 . . . . . . this is the value of the repeating decimal fraction.

_____
Here's one that's a little more complicated. It is done the same way.
.. x = 3.254545_45
.. 100x = 325.454545_45
.. 100x -x = 99x = 322.2
.. x = 322.2/99 = 3222/990 = 179/55
3 0
4 years ago
Four runners start at the same point; Lin, Elena, Diego, Andre. For each runner write a multiplication equation that describes t
Helen [10]

Answers:

Lin's finish point is at 205 meters

Elena's velocity is 8.92 meters per second

Diego's finish point is at -259.2 meters or 259 meters behind the start

Andre's velocity is -8.14 meters per second

I hope this helps <3

6 0
3 years ago
Determine whether u and v are orthogonal, parallel, or neither.u = &lt;15,45&gt;
sweet-ann [11.9K]
Take the dot product, if the dot product is zero, they are orthogonal 

<span>the dot product here is 15(-5) + 45(12) so the vectors are not orthogonal </span>

<span>to see if they are parallel, take the dot product again, using the definition </span>

<span>u dot v = mag u x mag v cos (theta) where mag is the magnitude of the vector and theta is the angle between them </span>

<span>we know from above that u dot v = 465 </span>

<span>mag u = sqrt[15^2+45^2]=47.43 </span>
<span>mag v = sqrt[5^2+12^2]=13 </span>

<span>so we know: </span>

<span>cos(theta) = 465/(47.43x13) = 0.75 </span>
<span>
so theta = 41 deg</span>
8 0
3 years ago
A box in the shape of a rectangular prism is approximately 9 inches long,has an equilateral triangle shaped base with side lengt
vfiekz [6]

Answer:

33.75 cubic inches of styrofoam can be placed inside the container.

Step-by-step explanation:

Based on given information, the volume of the prism (V), in cubic inches, is determined by using this formula:

V = \frac{1}{2}\cdot b\cdot h \cdot l (1)

Where:

b - Base of the triangular face, in inches.

h - Height of the triangular face, in inches.

l - Length of the prism, in inches.

If we know that b = 3\,in, h = 2.5\,in and l = 9\,in, then the volume of the prism is:

V = \frac{1}{2}\cdot b\cdot h \cdot l

V = 33.75\,in^{3}

33.75 cubic inches of styrofoam can be placed inside the container.

3 0
3 years ago
There Is A Picture Included This Is 7th Grade Math
MariettaO [177]

Answer:

x = 23

Step-by-step explanation:

The exterior angle = sum of the 2 opposite interior angles, hence

2x + 3 + 51 = 100

2x + 54 = 100 ( subtract 54 from both sides )

2x = 46 ( divide both sides by 2 )

x = 23


6 0
3 years ago
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