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sdas [7]
3 years ago
5

Please help and show the work, no links :)

Mathematics
1 answer:
Alex73 [517]3 years ago
8 0
So a triangle will always equal 180°, and since you already have angels Q and R, it’ll be easy to find angel P
Add Q and R together 28° + 67° = 95°
Use 180° and subtract it to 95°
180° - 95° = 85°

Your explanation can easily be “I added both Q and R together and subtracted it by 180 in order to find the angel P”
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juliet school collected 480 can food last month witch represented 80 percent of rheir goal. What is the toatal of her goal? PLEA
Dmitriy789 [7]

Answer: 600 canned foods was the total.

Step-by-step explanation: We need to find out what‘s 100% of 480. Since 480 canned foods is 80%, we can divide 480 by 8 which gives us 60. Aka 60 canned foods = 10%. Now, we multiply 60 by 10 which gives us 600. Hope this helps!

3 0
3 years ago
Find f'(0.3) for f(x)= the integral from 0 to x of arccos(t)dt
Lady_Fox [76]
\bf \textit{using the 2nd fundamental theorem of calculus}\\\\
\cfrac{dy}{dx}\displaystyle \left[ \int\limits_{0}^{x}\ cos^{-1}(t)dt \right]\implies cos^{-1}(x)
\\\\\\
f'(0.3)\iff cos^{-1}(0.3)\approx 1.26610367277949911126

now.. 0.3 is just a value...we'e assuming Radians for the inverse cosine, so, if you check, make sure your calculator is in Radian mode
8 0
3 years ago
Matt he bought five book he needed 9 how many more he needed
Dimas [21]

Answer:

5

Step-by-step explanation:

4 0
3 years ago
An arc of a circle is 3πm long, and it subtends an angle of 72° at the center of the circle. Find the radius of the circle.
Artist 52 [7]

Answer:

7.5 m

Step-by-step explanation:

circumference = 360/72 × 3π = 15π

so the radius of the circle =

15π / 2π = 7.5 m

7 0
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Please help mee like pretty please
Schach [20]

answer

The 3 lb bag of cat food would last for 4 weeks.

Step-by-step explanation:

6 0
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Read 2 more answers
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