Find the following when a = -1, b = 2, c = -1/4
(4b - 3)/(2a) -1

Answers

Answer 1

Answer: We substitute the given into the equation
given: a=-1, b=2, c= $(-1)/(4)$
=( $(4b-3)/(2a)$ -1
= $(4(2)-3)/(2(-1))$ -1
= $(8-3)/(-2)$ -1
= $(5)/(-2)$ -1
to continue, we can either find a common denominator or change the fraction to decimal.
Fraction to Decimal:
$(5)/(-2)$ =-2.5
Equation=-2.5-1=-3.5
OR Common Denominator:
= $(5)/(-2)$ $(-1)/(1)$ × $(-2)/(-2)$ (denominator should be -2=common)
= $(5)/(-2)$ + $(2)/(-2)$
= $(7)/(-2)$
which also = to -3.5

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-1 1/6 - (-2 1/3) =Please explain how you got the answer! :)

I need the answer quickly!!!

Answers

HI Brainiac

-1 1/6 -(-2 1/3)

= -7/6 -(-7/3)

= -7/6 - -7/3

= 7/6

I hope that's help:0

Please ask me any questions you want.

What is the percent of change from 45 to 56 round to the nearest percent

Answers

Step-by-step explanation:

This problem is not about percent or relative change, but about absolute change. Its solution is very simple:

Absolute change, or

change = new value - old value

= 56 - 45 = 11 (increase)

Evaluate. f(x) = 2x - 1, f(2)

Answers

Answer:

f(2) = 3

Step-by-step explanation:

Substitute 2 for x, and evaluate the expression.

f(x) = 2x - 1

f(2) = 2(2) - 1

f(2) = 4 - 1

f(2) = 3

answer: so, f(x)=2(2)-1
which will be =3 so answer is 3

At the beginning of this month, the balance of Agatha's checking account was $782.39. So far this month, she has received a paycheck via direct deposit of $932.48, been charged a monthly service fee from her bank of $20.00, used a debit card linked to her account to make a purchase of $36.82, written a check for $155.03 that has already been deposited, and deposited a check written to her for $79.13. What is the current balance of Agatha's checking account?

Answers

Agatha started out the month with $782.39 cents. After she received her paycheck, she had a balance of $1,714.87. Agatha then had a service fee and few purchases which left the total at $1503.02. She then had an additional check written to her for $79.13. The current balance after her last deposited check was $1,582.15.

Answer: $1582.15

Step-by-step explanation:

A line has the equation y = 6x + 13
What are the coordinates of the y-intercept of the line?

Answers

Answer:

(0,13)

Step-by-step explanation:

The equation y = 6x + 13 is in the slope - intercept form of y=mx + b, where m is the slope and b is the y-intercept. The y-intercept (b) is the value of y when x = 0. This means that the line will intersect the y axis at 13, when x is zero. = (0,13)

↠ Answer :

(0,13)

↠ Step-by-step explanation :

We're given the following equation :

→ y = 6x + 13

Notice that this equation is in slope-intercept form (y = mx + b); here, m is the slope and b is the y-intercept. So, the y-intercept is 13.

To find the coordinates, remember that a y-intercept has the form (0,b). The value of b is 13. So, the coordinates are (0,13).

change 4/10 into fifths