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lisabon 2012 [21]
3 years ago
7

One of the nine questions

Mathematics
1 answer:
Mice21 [21]3 years ago
7 0

Answer:

TanA=8/15

SinA=8/17

CosA=15/17

Step-by-step explanation:

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Simplify 3√p^4q^6r^5
jeka94

Answer:

3p^2q^3r^2√r

Step-by-step explanation:

3√p^4q^6r^5

= 3p^2q^3r^2√r

Hope that helps

3 0
3 years ago
The value of a school bus reduces from $512000 to $343000in 3 years. Find the
Eva8 [605]

Answer:

<em>The uniform rate of depreciation is $56,333 per year, or 11% per year.</em>

Step-by-step explanation:

<u>Rate of Depreciation</u>

If some object has a certain value P and after some time t its value decreases to Q, the rate of depreciation is a measure of how much its value changed per unit time.

It can be calculated as:

\displaystyle R=\frac{P-Q}{t}

It can also be expressed as a percentage, dividing the previous value by P.

The school bus reduces its value from $512,000 to $343,000 in 3 years, thus:

\displaystyle R=\frac{512,000-343,000}{3}

\displaystyle R=\frac{169,000}{3}

R = 56,333 $/year

Expressed as a percentage:

R = 56,333 / 512,000 = 0.11

R = 11%/year

The uniform rate of depreciation is $56,333 per year, or 11% per year.

8 0
3 years ago
Find the unit rate. round to the nearest hundred if necessary
Lina20 [59]
360÷60=60 60 miles per hour    6840÷45=152 152 costumes per day   45.5÷13=3.5 rounded to nearest hundred= 4 4 meters per second    $7.40<span>÷5=$1.48 rounded to nearest hundred = 1 $1 per pound</span>
3 0
3 years ago
Brainliest + points! <br><br> Please explain
Marina CMI [18]

Answer:

C. 14 feet

Step-by-step explanation:

Cos (60) = Adjacent / Hypotenuse

Cos (60) = 7/x

x = 7 / Cos(60)

x = 7 / 0.5

x = 14

7 0
3 years ago
How do i find joint relative frequency?
Svet_ta [14]
A joint relative frequency is found by dividing a frequency that is not in the Total row or the Total column by the frequency’s row total or column total.
3 0
3 years ago
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