(2y-1)(4y-3) What is the answer to this?

Answers

Answer 1

Answer: $(2y-1)(4y-3)=2y\cdot4y+2y\cdot(-3)-1\cdot4y-1\cdot(-3)\n\n=8y^2-6y-4y+3=8y^2-10y+3$

Answer 2

Answer: 8y^2-10y+3
FOIL
2yx4y+2yx-3+-1x4y+-1x-3

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Factor out the coefficient of the variable
The expression is
1/4y+3/8

Answers

y=0.09375 you just divide 3/8 by 1/4 to get the y.

What is the value of the underlined digit in 91,764,350

Answers

The underlined digit is 700,000 because if you look at where the 7 is and take out the 91 and make all other numbers a 0 it turns into 700,000

Which value is equivalent to 7 multiplied by 3 multiplied by 2 whole over 7 multiplied by 5, the whole raised to the power of 2 multiplied by 7 to the power of 0 over 5 to the power of negative 3, whole to the power of 3 multiplied by 5 to the power of negative 9?6 over 25
36 over 25
12 over 5
252 over 5

Answers

The answer is 36 over 35, which is 1.44 in decimals.

Write 91.5% as a decimal

Answers

Answer:

0.915

Step-by-step explanation:

move the decimal two to the left and take a the percentage

Answer:

The answer is .915

Step-by-step explanation:

91.5/100 = .915

the sum of a negative number, 1/4 of the negative number, and 7/16 of the negative number is -13 1/2. what is the negative number. ok now how do u solve that and what is the answer?

Answers

k so ur gonna hav x + 1/4x + 7/16x =-13 1/2. Start with that then you need to add the lil terms together. Thats x, 4/16 x (so it can be added easier) and 7/16 x added together. So you get 1 11/16x = -13 1/2. Use a calculator for that and you get x = -19.63636364

Answer:

-8

Step-by-step explanation:

According to question,

(-x) + (-x)(1/4) + (-x)(7/16) = -13 1/2

-x - x/4 -7x/16 = -27/2

Now, make all denominators equal:

(-16x -4x - 7x)/16 = -27/2

Now, multiply both sides with 16 to get rid of denominator:

-16x - 4x - 7x = -216

-27x = -216

-x = -216/27