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Reika [66]
3 years ago
15

Need help with these two questions

Mathematics
1 answer:
WITCHER [35]3 years ago
7 0

Answer:


Step-by-step explanation:

Answer:(A)= (-x^11)/(y^7)

(B)= (1/12xy^5)


Step-by-step explanation:

(A) (3x^3y^-2)(-2x^-3y^2)^-5/(6x^7y^-5)

[(3x^3y^-2)(-2x^15y^-10)]/(6x^7y^-5)

(6x^18y^5)/(-6x^7y^12)

(-6x^11)/(6y^7)

(-x^11)/(y^7)

(B) [(12x^-3y^5)/(x^-4)]^-1

(1/12xy^5)

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Pls answer this ASAP I need it by the end of the day
iVinArrow [24]

Answer:

No

Step-by-step explanation:

Let's calculate sinA and sinB.

sinA = opposite / hypotenuse = 12 / 20

sinB = opposite / hypotenuse = 16 / 20

Since 12 / 20 ≠ 16 / 20, she is incorrect.

6 0
3 years ago
Help on this question please
telo118 [61]

Answer:

$33.00

Step-by-step explanation:

Total number of members = 45+30 = 75

Total cost for making name tags

= 75 * (0.44)

= $33.00

6 0
2 years ago
The base of a triangle is 13cm and its height is 5cm. what is the area of the triangle
mario62 [17]

Answer:

32.5cm

Step-by-step explanation:

Using the formula A=h_b*b/2

We get 5*13/2=32.5

3 0
2 years ago
Maria has $50 in a savings account in week 1. She plans on depositing $8
enot [183]

Answer:

466

Step-by-step explanation:

50 + 8*52 = 466

4 0
2 years ago
Read 2 more answers
What is the sale price of a shirt that was originally $25 but that has been marked down by 33 percent?
Hoochie [10]

Answer:

$16.25

Step-by-step explanation:

1. 33% of $25 is $8.75

2. Subtract $25.00 and $8.75

3. The answer is $16.25

7 0
3 years ago
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