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Elza [17]
3 years ago
9

Quadratic equations 7x^2=49

Mathematics
1 answer:
fenix001 [56]3 years ago
5 0
Hope I was able to help :-)

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Please help.<br> Is algebra.
lara [203]

Answer:

1) 0

2) -6

Step-by-step explanation:

Any number to the ⁰th power is 1.

A negative exponent flips the fraction.

4 0
3 years ago
Rewrite the rational exponent as a radical expression 2 and 7 over 8 and 2 and 1 over 4
VashaNatasha [74]
Convert to improper frist
2 and 7/8=16/8+7/8=23/8
2 and 1/4=8/4+1/4=9/4

(23/8)/(9/4)
make bottom 1
times the whole thing by (4/9)/(4/9)
(92/72)/(36/36)=
92/72=
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6 0
3 years ago
The value of a weight vector is given as (w1=3, w2=-2, w0=1) for a linear model with soft threshold (sigmoid) function f(x).
dolphi86 [110]

Answer:

Please see explanation for the answer. The code is written in python and is as given below:

Step-by-step explanation:

The solution is obtained on the Python with the following code

import matplotlib.pyplot as plotter

import numpy as npy

x_s = npy.linspace(-5,5,100)  #Defining a linear sample space with boundaries as -5 to 5 and 100 as number of samples.

def sigmo(z):return 1/(1 + npy.exp(-z)) #Defining sigmoid function for the f(x).

plotter.plot(x_s, sigmo(x_s))

plotter.plot([-5,5],[.5,.5])

plotter.xlabel("z")

plotter.ylabel("sigmoid(z)")

plotter.show()

8 0
3 years ago
Two bags contained 50 kilograms of sugar each. After 3 times as much sugar was taken from the first bag than from the second bag
erma4kov [3.2K]
20 kg remaining in bag 1.
40 kg remaining in bag 2.
8 0
3 years ago
in 10 minutes a heart beats 700 time how many minutes will a heart beat 140 times? At what rate can a heart beat?​
posledela

Answer:

A heart will beat 140 times in 2 minutes

Step-by-step explanation:

700 ÷ 10 = 70

140 ÷ 70 = 2

5 0
3 years ago
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