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amm1812
3 years ago
11

If 90x=60, what is x?​

Mathematics
2 answers:
BARSIC [14]3 years ago
7 0

Answer:

.666666667

Step-by-step explanation:

to get x alone you divide 90 and 60 each by 90. X would be left on the left side and 60 divided by 90 is .666666667

Stells [14]3 years ago
5 0

Answer:

x=\frac{2}{3}

Step-by-step explanation:

90x=60\\  \Leftrightarrow x=\frac{60}{90}= \frac{2}{3}

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subtract 2 from each side

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3 years ago
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AnnyKZ [126]
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3 0
3 years ago
How many solutions does this equation have
Stells [14]

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Step-by-step explanation:

8 0
3 years ago
A right square pyramid with base edges of length $8\sqrt{2}$ units each and slant edges of length 10 units each is cut by a plan
seropon [69]

Answer:

32 unit^{3}

Step-by-step explanation:

Given:

  • The slant length 10 units
  • A right square pyramid with base edges of length 8\sqrt{2}

Now we use  Pythagoras to get the slant height in the middle of each triangle:

\sqrt{10^{2 - (4\sqrt{2} ^{2} }) } = \sqrt{100 - 32} = \sqrt{68}  units

One again, you can use Pythagoras again to get the perpendicular height of the entire pyramid.

\sqrt{68-(4\sqrt{2} ^{2} )} = \sqrt{68 - 32} = 6 units.

Because slant edges of length 10 units each is cut by a plane that is parallel to its base and 3 units above its base. So we have the other dementions of the small right square pyramid:

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So the volume of it is:

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= 32 unit^{3}

5 0
3 years ago
Which is an x-intercept of the continuous function in the table?(0, –6)(3, 0)(–6, 0)(0, 3)
Neporo4naja [7]

Answer:

B. (3,0)

Step-by-step explanation:

The x-intercept is the point where the graph of the function meets the x-axis.

At x-intercept, <u>y = 0 or f(x) = 0</u>

So look through the table and find where <u>f(x) = 0.</u>

From the table, <u>f(x) = 0 at x = 3.</u>

We write this as an ordered pair.

Therefore the x-intercept is <u>(3,0)</u>

The correct choice is <u>B</u>.

6 0
2 years ago
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