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2 years ago

GIVEING BRALIST

Mathematics

2 answers:

USPshnik [31]2 years ago

6 0

<h2>Answer:</h2>

A GIRL ON HERE NAMED SAMI32390

<h2>Step-by-step explanation:</h2>

amm18122 years ago

6 0

Answer:

Hmmm, this is a hard question loll. I would say my mom because she is always there for me when I’m in need. Also because if It wasn’t for her, there wouldn’t be me today.

Step-by-step explanation:

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What are the solutions of the equation (2x + 3)2 + 8(2x + 3) + 11 = 0

Tom [10]

Answer:

$x=\frac{-7-\sqrt{5}}{2}$ or $x=\frac{-7+ \sqrt{5}}{2}$

Step-by-step explanation:

The given equation is

$(2x+3)^2+8(2x+3)+11=0$

Let us treat this as a quadratic equation in $(2x+3)$ .

where $a=1,b=8,c=11$

The solution is given by the quadratic formula;

$(2x+3)=\frac{-b\pm \sqrt{b^2-4ac} }{2a}$

We substitute these values into the formula to obtain;

$(2x+3)=\frac{-8\pm \sqrt{8^2-4(1)(11)} }{2(1)}$

$(2x+3)=\frac{-8\pm \sqrt{64-44} }{2}$

$(2x+3)=\frac{-8\pm \sqrt{20} }{2}$

$(2x+3)=\frac{-8\pm2\sqrt{5} }{2}$

$(2x+3)=-4\pm \sqrt{5}$

$(2x+3)=-4-\sqrt{5}$ or $(2x+3)=-4+ \sqrt{5}$

$2x=-3-4-\sqrt{5}$ or $2x=-3-4+ \sqrt{5}$

$2x=-7-\sqrt{5}$ or $2x=-7+ \sqrt{5}$

$x=\frac{-7-\sqrt{5}}{2}$ or $x=\frac{-7+ \sqrt{5}}{2}$

5 0

3 years ago

A student has taken three math tests so far this semester His scores for the first three tests were 76, 80, and 84

Charra [1.4K]

Answer:

A=96% B=86%

Step-by-step explanation:

brainlist will be welcomed :))

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2 years ago

What is the solution to the equation x/3+x/6=7/2

Alchen [17]

Answer:

x = y

Step-by-step explanation:

x/3 + x/6 = 7/2

2x + x = 21

3x = 21

(divide 3 on both sides)

x = 7

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1 year ago

I think the answer is c can someone check me

Katen [24]

Answer:

Step-by-step explanation:

you first have to find the domain by finding where the expression is defined

so the answer would be x>5

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3 years ago

If Jane invests $1500 in a savings account with a 6% interest rate compounded monthly, how long will it take until Jane’s amount

Viefleur [7K]

Answer:

22 months it take at all..

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2 years ago