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stepladder [879]
3 years ago
14

Need help with these please explain what you did and for which one.

Mathematics
1 answer:
OLEGan [10]3 years ago
4 0

4. Answer: = 3x^2y

Factor, Factor, Cancel

1. Answer: = 5x^3y^4

Apply radical rule, divide the numbers, simplify

6. Answer: = 12 sqrt 3

Add similar elements

10. Answer: = x=2

11. Answer: = 2x^3-14x-4x^2+28

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Need helpppppp!!!!!!!!!!
KonstantinChe [14]

Answer: 12, 15, 11, 28

Explanation:

14. FC is half of AC so the length of FC is 12.

15. BD is 30 and half of that is BC or 15. AB and BC have same length so it is also 15.

16. ED and BE have same length so it is also 11.

17. BD is twice of AB so if AB is 14, BD will be 28.

Would appreciate a brainly <3

3 0
2 years ago
Read 2 more answers
Karl drove 619.5 miles. For each gallon of gas, the car can travel 41 miles. What is a reasonable estimate of the number of gall
dusya [7]

Answer:

15

Step-by-step explanation:

Calculation for What is a reasonable estimate of the number of gallons of gas Karl used

Estimated number of gallons used=619.5 miles/41 miles

Estimated number of gallons used=15

Therefore the reasonable estimate of the number of gallons of gas Karl used is 15

6 0
3 years ago
X^{2m+n} * x^{n-m} / x^{m+2n}
notka56 [123]

Answer:

=x

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Please give me the correct answer and please explain how you found the answer ​
lidiya [134]

Answer:

x=48

Step-by-step explanation:

to get x alone, you have to multiply both sides by 2, and 24 times 2 is 48

plz brainliest :)

8 0
3 years ago
How to find out the value of the lettered sides
umka2103 [35]

Step-by-step explanation:

  • a

sin 46°= a/12.8

a = sin46° * 12.8 = 9.20

  • b

cos59°=b/16.8

b = cos59°*16.8 = 8.65

3 0
3 years ago
Read 2 more answers
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