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4 years ago

NEED HELP ASAP

1 answer:

7 0

3.1 cups of white four and 4.5 cups of whole wheat flour adding it together 3.1n (standing for the white flour) and 4.5n (standing for the whole wheat flour) is 7.6n times .50 is $3.80 So the answer is C.

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Pls answers 1-8 fast

Sladkaya [172]

1-8 is simple. Just subtract 8 from 1. so 1-8 = -7

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3 years ago

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Polygons ABCD and EFGH are similar, find thr length of EH

GREYUIT [131]

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3 years ago

In how many ways can a president and a vice president be randomly selected from a class of 20 students?

SpyIntel [72]

Answer:

n how many ways can a president, vice president, and a secretary be chosen? It is 12X11X10. Permutation of n things taken r at a time: nPr=n!/(n-r)! 12P3=12*11*10*9!/9!= 12*11*10=1320 ways.

Step-by-step explanation:

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3 years ago

SUppose the total cost C(x) to manufacture a quantity x of insecticide (in hundreds of liters) is given by

Hitman42 [59]

Answer:

a) $C(x)$ is increasing in two regions: (i) $(+\infty, 8\,s)$ and (ii) $(10\,s,+\infty)$ .

b) $C(x)$ decreases in $(8\,s, 10\,s)$ .

Step-by-step explanation:

Let $C(x) = x^{3}-27\cdot x^{2}+240\cdot x +850$ , where $x$ is the quantity of insecticide, measured in hundreds of liters, and $C(x)$ is the total manufacturing cost as a function of the quantity of the insecticide, measured in US dollars. A possible approach to determine which regions of $C(x)$ are decreasing and increasing by means of the first derivative and graphing tools. The first derivative of the function is:

$C'(x) = 3\cdot x^{2}-54\cdot x+240$ (1)

Please notice that regions where C(x) is increasing has $C'(x) > 0$ , whereas $C'(x) < 0$ when $C(x) < 0$ .

We notice that $C(x)$ is increasing in two regions: (i) $(+\infty, 8\,s)$ and (ii) $(10\,s,+\infty)$ . Besides, $C(x)$ decreases in $(8\,s, 10\,s)$ .

6 0

3 years ago

Michael is planning to invest his 2,000 into a bank account between investment A with 8% simple interest or investment B with 6%

Angelina_Jolie [31]

The investment with the bigger return is investment B.

<h3>What is simple interest and compound interest?</h3>

Simple interest rate is the interest that is paid only on the principal portion of a loan. This means that the debtor does not pays interest on the interest rate already accrued. This differs from compound interest where the debt holder pays interest on the principal and the interest rate already accrued

<h3>What is the compound interest?</h3>

The formula for calculating future value:

FV = P (1 + r)^n

FV = Future value
P = Present value
R = interest rate
N = number of years

2000 x (1.06)^12 = $4024.39

Compound interest = $4024.39 - $2000 = $2024.39

<h3>What is the simple interest? </h3>

Simple interest = principal x time x interest rate

2000 x 0.08 x 12 = $1920

To learn more about future value, please check: brainly.com/question/18760477

3 0

2 years ago

﻿NEED HELP ASAP

NEED HELP ASAP