What is x to the power of 3 divided by x to the power of -5
Answers
When dividing powers, you subtract the "small numbers". When multiplying, you add them. 3-(-5) = 8
Hope it helps!
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holly earns 30 babysitting 5hours she earns 28 dollars when she does chores 4 hours witch compares the unit rates
Let f(x) = x2 − 8x + 5. Find f(−1)
Me pueden colaborar por favorTema : Números reales 1. Juanita tenia en su casa 15/20 kg de arroz y un vecino le regalo 1/4 kg más para preparar arroz con leche . Del total de arroz que recolecto , utilizo 11/20 kg ¿Que cantidad de arroz no utilizo ? 2. Doña teresa para recolectar dinero y comprar comida vendió los 2/3 de una docena de zapatos el lunes , Los 3/12 de una docena el martes y los 4/6 el miércoles . Si tenia dos docenas de pares de zapatos ¿Cuantos pares le quedan ? 3. Rodolfo tiene en la nevera 4 kg de mango , 3/4 kg de naranja , 1/2 kg de manzana y 3 kg de uva . Deposito todas sus frutas en una caja para regalarlas a la gente que no ha podido salir de sus casas .¿Cual es el peso de las frutas que va a regalar ?
Help, 3+7x=12, what is x?
Sn = −728
Sn = 2,186
Sn = 728
Answers
Detailed solution is attached
Final answer:
The sum of a geometric series is calculated using the relevant formula from a1, r, and an. The unknown n can be calculated from the given an, a1 and r. These are then substituted into the sum formula.
Explanation:
The given is a geometric series where first term a1 = -2, common ratio r = 3, and last term an = -1458. The sum of a geometric series, Sn, can be calculated using the formula , where n is the number of terms in the series. However, in this case, we don't know n directly, but we do know the nth term (an) using the formula
, you can rearrange to solve for n: n = log((an/a1))/log(r) + 1. Plug this value of n and the given a1, r into the sum formula to get the sum.
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Answers
70%, 3/4, 0.6, 2/3
Answers
3/4 = 0.75
0.6 = 0.6
2/3 = 0.667
In order from smallest to greatest:
0.6, 0.667, 0.7, 0.75 =
0.6, 2/3, 70%, 3/4
Therefore the smallest is 0.6
3/4 = 0.75 = 75%
0.6 = 0.60 = 60%
2/3 = 2/3 of 100% = 66 and 2/3%
It looks to me as if 0.6 = 60% is the smallest of the 4 examples.
Answers
A(final)=16cm^2 ds/dT=6 da/dT=?
A=(s)^2 A=16cm^2 , s=sqrt(A) , s=sqrt(16) , s=4cm
da/dT=2(s)(6cm/sec) , da/dT=12cm/sec(s) , da/dT=12cm/sec (4cm)
Answer should be da/dT=48cm^2/sec
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Answers
The numbers are 40 and 22.
What is an expression?
An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.
Example: 2 + 3x + 4y = 7 is an expression.
We have,
Let the numbers be m and n.
The two expressions are:
m + n = 62 ______(1)
m = 62 - n ______(2)
m - n = 18 ______(3)
From (2) and (3)
(62 - n) - n = 18
62 - n - n = 18
62 - 2n = 18
62 - 18 = 2n
n = 44/2
n = 22
Now,
m + n = 62
m = 62 - 22
m = 40
Thus,
m = 40 and n = 22.
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x + y = 62 . . . . . . . (1)
x - y = 18 . . . . . . . .(2)
subtracting (2) from (1), we have:
2y = 44
y = 22
From (2), x + 22 = 62
x = 62 - 22 = 40
therefore, the two numbers are 40 and 22.
Answers
Answer:
I think the answer is a.i^7