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3 years ago

What is f(-3) for the function f(a)=-2a2-5a+4?

Computers and Technology

1 answer:

rodikova [14]3 years ago

8 0

Answer:

Explanation:

f(-3) = -2(-3)2-5(-3)+4

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You decide to buy some stocks for a certain price and then sell them at another price. Write a program that determines whether o

ser-zykov [4K]

Answer:

#here is code in python.

#read number of shares

num_share = int(input("Enter number of shares:"))

#read purchase price

buy_p = float(input("Enter purchase price:"))

#read sell price

sell_p = float(input("Enter sale price:"))

#total buying cost

buy_cost=buy_p*1.03*num_share

#total selling cost

sell_cost=sell_p*0.97*num_share

#if net profit

if(sell_cost>buy_cost):

print("After the transaction, you made " +str(sell_cost-buy_cost)+ " dollars.")

#if net loss

else:

print("After the transaction, you lost " +str(buy_cost-sell_cost)+ " dollars.")

Explanation:

Read the total number of shares from user.Then read buying price of a share and selling price of a share.Then calculate total buying cost including commission.Calculate total selling cost excluding the commission.If total buying cost is greater than total selling cost the print the profit else print the loss in the transaction.

Output:

Enter number of shares:10

Enter purchase price:10

Enter sale price:10

After the transaction, you lost 6.0 dollars.

4 0

3 years ago

True or false? any webb app can be accessed and run on any computing

Mademuasel [1]

Answer:

B. False

Explanation:

A web application is a computer program that works over the internet. So, in order to access and run it you need a web browser and this will also require to have an internet access. If you don't have one of these you will not be able to run the app.

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3 years ago

Identifica una necesidad que implique la reducción de los efectos perjudiciales relacionados al uso de los recursos energéticos.

ELEN [110]

Answer:

Baje las persianas o cierre las cortinas en los días calurosos, para mantener la casa fresca y reducir el uso de ventiladores eléctricos o aire acondicionado. Deje que la ropa se seque naturalmente. Mantenga las tapas en las ollas cuando cocine para ahorrar energía. Use baterias recargables.

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2 years ago

You have been tasked with ensuring that access to certain server managed resources is only available to client devices with TPM

elixir [45]

Answer:

Device Health Attestation Services

Explanation:

Based on the scenario being described it can be said that the Windows Server role that can be used to automate this check is known as Device Health Attestation Services. This is a role that allows the administrator to automatically check if a device has the required trustworthy BIOS, TPM, or boot software enabled, as well as Bitlocker encryption.

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3 years ago

1. Write a Python code to:

Ksenya-84 [330]

Answer:

hope this help and do consider giving brainliest

Explanation:

import numpy as np

A=np.array([[1,4,3,2],[1,7,4,5],[2,5,3,1],[1,3,2,9]]);

print("Inverse is");

B=np.linalg.inv(A);

print(B);

print("A*A^-1=");

print(np.dot(A,B));

print("A^-1*A=");

print(np.dot(B,A));

import numpy as np

A=np.array([[4,3,2],[5,6,3],[3,5,2]]);

B=np.array([[3,-1,2,6],[7,4,1,5],[5,2,4,1]]);

X=np.dot(np.linalg.inv(A),B);

print("X=");

print(X);

5 0

3 years ago

What is f(-3) for the function f(a)=-2a2-5a+4?​

What is f(-3) for the function f(a)=-2a2-5a+4?