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34kurt
3 years ago
5

Suppose c and dare inversely proportional. If c=9 when d=8, find the value of d when c=6.

Mathematics
1 answer:
lara [203]3 years ago
4 0
Well, I believe you can set up a proportion for this. So:
d/c = d/c or 8/9 = x/6
*cross multiply*
9x = 48
*divide both sides by 9 to get x by itself*
x = 5 1/3 
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A ramp leads up to a building. The top of the ramp is 5 feet above the ground, and the bottom is 15 feet from the building as sh
kirill [66]
To answer this you have to use Pythagoras's theorem: a^2 + b^2 = c^2

Put in the values:
5^2 + 15^2 = c^2

Simplify it:
25 + 225 = c^2

Simplify again:
250 = c^2

Square root both sides:
15.8113883008 = c

So the ramp is:
15.8113883008 feet

Now round the number: 
15.8ft

The above is the answer :)
(btw sorry in advance if you've spotted a mistake)
8 0
3 years ago
What's the greatest common factor of 52 and 91?
lora16 [44]
13 !!
52/13 = 4
91/13 = 7

Good Day !!
Liaaam66
6 0
3 years ago
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Vector has 4 Orange picks for every 3 green picks. If 8 of the picks are orange, how many picks are green?
padilas [110]

Answer:

6. im not sure though

Step-by-step explanation:

because if he picks 4 orange and 3 are green, then it means you multiply by 2 because 4*2=8, SO 3*2=6. again, im not sure if its right or not.

5 0
3 years ago
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Which graph best represents a function with a range of all real numbers greater than or equal to 3
Anna35 [415]

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b

Step-by-step explanation:

6 0
3 years ago
Colin’s piano lesson is 45 minutes, or Three-fourths of an hour, long. If he practices 6 different songs and spends an equal amo
NikAS [45]

Answer:

<em>Colin spends 1/8 of an hour practicing each song</em>

Step-by-step explanation:

Colin's piano lesson is 3/4 of an hour, long.

In that period, he practices 6 different songs, spending an equal amount of time on each one.

This means that each song gets the sixth part of the lesson duration. The fraction that expresses that amount is:

\displaystyle \frac{\frac{3}{4}}{6}=\frac{3}{24}=\frac{1}{8}

Colin spends 1/8 of an hour practicing each song

5 0
4 years ago
Read 2 more answers
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