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Grace [21]
3 years ago
10

I need help plz!! 8.57396817...•5/8 is rational or irrational?

Mathematics
1 answer:
cricket20 [7]3 years ago
7 0

Answer:

Irrational

Step-by-step explanation:

Any non-zero rational number multiplied by an irrational number will be irrational. We can rewrite this as (8.57... * 5) / 8, but we have no idea how to make 8.57... * 5 rational, or expressed as the quotient of two integers.

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Can some answer these math questions asap thanks
Alexus [3.1K]

Answer:

3.) 63=3x+7y

4.) Y-intercept is 9

Step-by-step explanation:

(For 3) For every time a person gets a touchdown, x represents that

for every time a person person scored a successful extra-point attempt, y represents that.

And they team scores 63, so....

the equation would look like this

63=3x+7y

(For 4) You find the y-intercept by turning the standard form equatio  into the slop intercept form

(-3x)63=3x+7y (-3x)\\(\frac{1}{7}) 7y=(-3x+63)(\frac{1}{7} )\\y=-\frac{3x}{7} +9

(Helper's note, multiplying by its reciprocal is the same as dividing it by a whole number, in the case dividing the number by 7 is the save as multiplying the number by \frac{1}{7})

Then plugging x=0 and solve for y, which in this case, y=9

y=\frac{-3(0)}{7} +9\\y=9

(For the graphing) Turn 63=3x+7y into a slope intercept form, which is y=-\frac{3x}{7} +9 and graph from there

4 0
3 years ago
What is one take away three fourths
MaRussiya [10]

Answer:

0.25

Step-by-step explanation:

6 0
2 years ago
$265 worth of tickets were sold Adult tickets cost $6 Child tickets cost $2.50 • 57 tickets were sold. How many adult tickets we
BARSIC [14]

Answer:

35 adult tickets were sold

Step-by-step explanation:

If 35 adult tickets were sold, that would be $210

If 22 child tickets were sold, that would be $55

When you add them together, you get 57 tickets and $265.

(I'm sorry I don't know how to explain this but I hope it helped anyway)

5 0
2 years ago
Why is it that sin 5π
nika2105 [10]
Because arcsin or sin-1 only gives outputs that are in the first and fourth quadrant.
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7 0
3 years ago
Plzzz helpp find the length of arc AD. use 3.14 for pi. round to the nearest tenth
solniwko [45]

Answer:

15.7 cm

Step-by-step explanation:

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P= 2*3.14*7.9=49.6 cm

Arc AD= 49.6*113.6°/360°= 15.7 cm

6 0
3 years ago
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