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3 years ago

Sandra colored 1/3 0f 36 what percent did she color

2 answers:

6 0

Doesn't matter how many pages
1/3 convert to percent

percent means parts out of 100
x%=x/100
1/3=x/100
times both sides by 300
100=3x
divide both sides by 3
33.333333333=x
answer is 33.33333333...%

zysi [14]3 years ago

5 0

Sandra colored about 33.33333333%

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Solve the right triangle, ΔABC, for all the missing side and angles to the nearest tenth given sides a = 10.6 and b = 19.2.

Aliun [14]

Answer:

Part 1) $c=21.9\ units$

Part 2) $B=61.1\°$

Part 3) $A=28.9\°$

Part 4) $C=90\°$

Step-by-step explanation:

step 1

Find the length side c

Applying the Pythagoras Theorem

$c^{2}=a^{2}+b^{2}$

substitute the given values

$c^{2}=10.6^{2}+19.2^{2}$

$c^{2}=481$

$c=21.9\ units$

step 2

Fin the measure of angle B

we know that

In the right triangle

$tan(B)=b/a$

substitute the given values

$tan(B)=19.2/10.6$

$B=arctan(19.2/10.6)=61.1\°$

step 3

Find the measure of angle A

we know that

The measure of interior angles in a triangle must be equal to 180 degrees

∠A+∠B+∠C=180°

Remember that in a right triangle the measure of angle C is 90 degrees

we have

$B=61.1\°$

$C=90\°$

substitute

$A+61.1\°+90\°=180\°$

$A=28.9\°$

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2 years ago

67. Find all points on the x-axis that are 5 units from the point<br> (4, -3).

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Step-by-step explanation:

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pochemuha

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Step-by-step explanation:

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d1i1m1o1n [39]

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