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Dahasolnce [82]
4 years ago
5

What is the value of the expression: 3 -4th power

Mathematics
2 answers:
Fantom [35]4 years ago
8 0
3 to the fourth power equals 81 I think
VLD [36.1K]4 years ago
7 0
The phrases 3 to the 4th power and 3 to the power of 4 are equivalent to the algebraic operations 4 × 4 × 4 × 4 and 44.
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You found one formula, area of △ABC=(1/2)as sin B, that applies to an obtuse triangle just as it does to an acute triangle. Whic
ira [324]
Let ΔABC be an obtuse triangle with sides a, b, c, that lie opposite the angles A, B, C; with radius r of inscribed circle and radius R of circumscribed circle; p semiperimeter. For obtuse triangle you can use all known area formulas:

1. A= \frac{1}{2}  ac\sin B; (the area is equal to half of product of two sides and sine of angle that lies between these sides);

2. A= \frac{1}{2} ah_a;
3. A= \sqrt{p(p-a)(p-b)(p-c)} (Heron's formula);
4. A=pr;
5. A= \dfrac{abc}{4R}.




7 0
3 years ago
The owner of a candy store wants to mix some peanuts worth $3 per pound, some cashews worth $10 per pound, and some Brazil nuts
elena-14-01-66 [18.8K]
Let
x = pounds of peanuts
y = pounds of cashews
z = pounds of Brazil nuts.

The total pounds is 50, therefore
x + y + z = 50                   (1)

The total cost is $6.60 per pound for 50 pounds of mixture.
The total is equal to the sum of the costs of the different nuts.
Because the cost for peanuts, cashews, and Brazil nuts are $3, $10, and $9 respectively, therefore
3x + 10y + 9z = 50*6.8
3x + 10y + 9z = 340         (2)

There are 10 fewer pounds of cashews than peanuts, therefore
x = y + 10                         (3)

Substitute (3) into (1) and (2).
y + 10 + y + z = 50
2y + z = 40                     (4)
3(y + 10) + 10y + 9z = 340
13y + 9z = 310                (5)

From (4),
z = 40 - 2y          (6)
Substitute (6) into (5).
13y + 9(40 - 2y) = 310
-5y = -50
y = 10
z = 40 - 2y = 40 - 20 = 20
x = y + 10 = 20

Answer:
Peanuts:     20 pounds
Cashews:   10 pounds
Brazil nuts: 20 pounds


8 0
3 years ago
2(log 18 - log 3) + = 2log 1/16
Semmy [17]
What do you need?

2log 3/8

= -0.85
4 0
3 years ago
HELP DUE IN A COUPLE HOURS Mrs. Penny bought a rectangular box that is 6 inches long, 10 inches wide, and 4 inches high. She wan
romanna [79]

Answer:

dont get cote with the link below

Step-by-step explanation:

https://www.symbolab.com/solver/step-by-step/2x%5E%7B2%7D-7%3D-7

5 0
3 years ago
Point P is located at (-2, 7), and point R is located at (1, 0). find the y value for the point Q that is located 2/3 the distan
Dominik [7]

Just did this one.

Answer: 7/3 or about 2.3, choice (d).



Step-by-step explanation:


R-P= (3,-7). the displacement vector.


P+x(R-P) moves to x times distance between


P+(R-P) = R moves to 100% of the distance.


Q = P+2/3(R-P)


= (-2,7)+2/3(3,-7)


= (-2,7)+(2,-14/3)


= (0,7-14/3)


= (0,7/3)


= (0,2.3333...)


Read more on Brainly.com - brainly.com/question/11869584#readmore

7 0
3 years ago
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