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Akimi4 [234]
3 years ago
5

Can you please help​

Mathematics
1 answer:
Dvinal [7]3 years ago
6 0

Answer: 3x -4

Step-by-step explanation:

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in a circle, a 60° sector has an area of a 36π cm^2. find the radius of the circle. round your answer to the nearest whole centi
hammer [34]
Area of circle = \frac{ \theta }{360^o}  \times \pi r^2 \\ 36 \pi = \frac{60^o}{360^o}  \times \pi r^2 \\ r^2=216 \\ r= \sqrt{216} =14.70 \ cm \\ r=15 \ cm \ to \ the \ nearest \ whole \ centimeter.
3 0
3 years ago
One of the factors of the polynomial x3 − 5x2 is x + 3. What is the other factor?
olya-2409 [2.1K]
The answer is letter c. x2-8x+24-[72/(x+3)]. If you do not know how to solve this using the long division method, you can always evaluate the options through the process of elimination first. Since the degree of the other factor is already 1 (x to the power of 1), you know that option d. is not the correct answer because you know that the other factor must be raised to the power of 2. That leaves us with a, b and c. Working backwards and multiplying the given factor (x+3) with the factor in b, gives us x3-5x2+72. So from there, you know that you have to eliminate 72, which can be removed when it is subtracted by itself. Letter c does just that. Try multiplying (x+3) and option c for yourself :).
8 0
2 years ago
Read 2 more answers
Please show how you solved the problem. <br><br><br><br><br><br><br><br> 4a - 14 = 7a - 8
lianna [129]

4a - 14 = 7a - 8

4a - 7a = 14 -8

-3a = 6

a = 2

ok done. Thank to me :>

4 0
2 years ago
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Factor.
tekilochka [14]

Answer:

Answer is C

Step-by-step explanation:

(x + 6)(x + 2)

5 0
3 years ago
How can conversion of measurements help me solve real world problems
jeka57 [31]
In different parts of the world people use different units. Being able to convert will help me understand and fit into their surroundings. Like for instance in Canada people measure speed in kilometers, so their speed limits are written in kmph. While in America the speed is measured in miles so Mph. Knowinf=g the conversions can help you drive safely and not get a ticket.
Hope that was what you were expecting.
6 0
3 years ago
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