Brian is solving the equation x^2 -3/4 x =15. What value must be added to both sides of the equation to make the left side a perfect-square trinomial?

Answers

Answer 1

Answer: Add 9/16 to both sides then the lady side will be (x- 3/8)^2

Related Questions

What is the least common denominator (LCD) of 9/10 and 5/8?
What is the distance between the points A(11, 2) and B(5, 10)?
2. Hessa was playing a computer game. She scored 43 points in Round 1 and 26 points in Round 2. Which sum could she use to add the points together? a. 40 + 20 + 3 + 6 b. 4 + 3 + 2 + 6 c. 40 + 30 + 20 + 60 d. 30 + 4 + 60 + 2
Two terms of an arithmetic sequence are a7 = 32 and a19 =140. Find a rule for the nth term.
Z varies jointly as x and y. If z=3 when x=3 and y=15, find z when x=6 and y=9

Factor 7a^3+28a^2-35a

Answers

$7a^3+28a^2-35a=7a(a^2+4a-5)=(*)\n \n-------------------------------\n \na^2+4a-5-a^2-a+5a-5=a(a-1)+5(a-1)=(a-1)(a+5)\n \n-------------------------------\n \n(*)=7a(a-1)(a+5)$

$7a^3+28a^2-35a =\n \n=7a(a^2+4a+a-a-5) =\n \n= 7a(a^2+5a -a-5)=\n \n=7a[(a(a+5)-(a+5))]=\n \n=7a(a+5)(a-1)$

1. Gala Farms sells a 3.5 pound bag of applesfor $4.20. Golden Orchard sells a 5 pound
bag for $5.25. Which brand of apples is the
better buy? What is the cost per pound of the
cheaper brand?

PLSHELPLSPLS

Answers

The cost per pound for the Gala farms is $1.20 per pound and For the Golden Orchard its $1.05 per pound. Which the Golden Orchard is better since its cheaper and costs 15 cents less.

1cm x ¼ ??????!????????????

Answers

Answer:

2.5 millimeteers

Step-by-step explanation:

Pls brainlest

What does 5/6 equal as a decimal?

Answers

The decimal of 5/6 is 0.8333

Hi there! To turn a fraction into a decimal we divide the numerator by the denominator. So, we have the fraction 5/6 where 5 is the numerator and 6 is the denominator. 5÷6=0.8333 repeating. Therefore, 5/6 as a decimal is 0.8333

X2 - x - 6 =Simplified. I know the answer is (x+2)(x-3), but I don't understand how the answer was achieved. Can I please get an explanation of this?

Answers

$x^2-x-6=(x+2)(x-3)\n\n-x=2x-3x\n-6=2*(-3)\n\nor\n\nx^2-x-6=x^2+2x-3x-6=x(x+2)-3(x+2)=(x+2)(x-3)$

I had a lot of trouble with this when my algebra class started doing it,
a long time ago.

The key is this: Look at the -6 at the end. You have to find two factors
of that number that add up to the -1 in the middle.

Here are the possible factors of -6 :

-1 ... 6
+1 ... -6
-2 ... 3
+2 ... -3

Can you find a pair on the list that adds up to -1 ?
How about +2 and -3 ?
Their product is -6 and their sum is -1. That's what you need.

Now set up a couple of binomial factors like this: (x....) (x....)
and write in the pair of numbers you found: (x + 2) (x - 3)
That's the factored form of the original expression.

In order to clear out room for new merchandise, James decided to mark down some of the items for sale in his electronics store. He marked down DVD players by 36%, and he marked down stereo tuners by 22%. If DVD players cost $41.60 after the markdown and stereo tuners cost $69.42 after the markdown, which item’s price was reduced by more, and by how many dollars more was it reduced? Round all dollar values to the nearest cent.

Answers

Answer:

a) Which item’s price was reduced by more, and by how many dollars more was it reduced?

The DVD player's price was reduced more by $3.82 than the stereo tuner's price.

b) Round all dollar values to the nearest cent.

Rounding $3.82 dollars to the nearest cents

$1 = 100 cents

$3.82 =

3.82 × 100 cents

= 382 cents

The DVD player's price was reduced by 382 cents more than the stereo tuner's price

Step-by-step explanation:

Lets day the original price of the DVD player was $100

We are told the price was marked down to 36%

36% of $100 = $36

$100 - $36 = $64

We are told the DVD cost $41.60 after the markdown.

Original cost of DVD =

$41.60/$64 × 100 = $65

Lets the original price of the Stereo player was $100

We are told the price was marked down to 22%

22% of $100 = $22

$100 - $22 = $78

We are told the DVD cost $69.42 after the markdown.

Original cost of Stereo =

$69.42/$78 × 100 = $89

DVD = $65 - $41.60 = $23.40 less

Stereo = $89 - 69.42 = $19.58 less

Difference between the DVD and the Stereo is

$23.40 - $19.58 = $3.82

Therefore,the DVD player's price was reduced by $3.82 more than the stereo tuner's price

Rounding $3.82 dollars to the nearest cents

$1 = 100 cents

$3.82 =

3.82 × 100 cents

= 382 cents

Answer:

The answer is A on edg 2020

Step-by-step explanation:

Other Questions

How do you know if a rate of change is positive or negative?

The axis of symmetry of a parabola is x=4.6. It crosses the x -axis at (0.6,0). What is the x -coordinate of the other point where the parabola crosses the x -axis?

The distributive property states that the product of a term and a sum is equal to

5/10 in decimal form