The square of the sum of 7 times x and 3 divided by 4 times the difference of x and 1

Answers

Answer 1

Answer:

Answer:

(7x+3/4*[x-1])^2

Step-by-step explanation:

The square of the sum of 7 times x. and 3 divided by 4 times the difference of x and 1. This would mean that (7x+3/4*[x-1])^2 You would perform x - 1 in the [] first, which is why they are in the extra brackets. The whole thing is squared, so it is all in parenthesis, being squared. It says 3/4 into x-1. This would mean it's multiplying into x-1.

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Why would "-7" in the expression (x^2+3)-(x-7) become positive?(This is a genuine question not a test one)

Answers

You would use the distributive property with the negative. So the second x becomes negative, but since the 7 is already negative it becomes positive. Think of it as if you put the two dashes together you can make a plus sign.

Answer:

x is the variable that's representing a number so -7 would not become posting

Please help me with with this science question

How does potassium dihydrogen phosphate affect soil, water, and air?

What is the product of -3x^2y and (5xy^2+xy)?

Answers

$-3x^2y * (5xy^2 +xy) =\n \n= -3x^2y \cdot 5xy^2 -3x^2y\cdot xy =\n \n=-3\cdot 5x ^(2+1)y^(1+2) -3x ^(2+1)y ^(1+1)=\n \n =-15x ^(3)y^(3) -3x ^(3)y ^(2)$

A submarine is at the surface of the ocean, preparing to dive. It submerges and dives to -972 feet. Then, it ascends 329 feet to avoid hitting an undersea cliff. What integer represents the submarine's position in feet (depth) after it ascends to avoid the cliff?

Answers

I believe the answer is -643

What is the solution to 2 In x = 4 In 2?
x =
DONE

Answers

Answer:

x =4

Step-by-step explanation:

2 ln x = 4 ln 2

Divide each side by 2

2/2 In x = 4/2 In 2

ln x = 2 ln 2

Remember that a ln b = ln b^a

ln x = ln 2^2

ln x = ln 4

We are taking the natural log on both sides so , what we are taking the natural log of must be the same

x =4

Answer:

Step-by-step explanation:

Use the property of logarithms $n\ln x = \ln x^n$ . (The number in front of ln becomes an exponent--or vice versa!)

Using that property on both sides, you get

$ln(x^2) = ln(2^4)$

But that means

$x^2=4^2\nx^2=16\nx=4$

Notice that $x=-4$ is not a solution because $\ln(-4)$ is undefined. Negative numbers do not have logarithms. The domain of $\ln x$ is the set of positive numbers.

The ratio of damaged to undamaged toys was 3/17. If there were a total of 200 toys, how manywere undamaged?

Answers

Answer:

What I would do is find how many undamaged toys per 1 toy and then times that by 200.

Step-by-step explanation:

okay, so basically it’s the ratio of damaged to undamaged toys. which means that damaged is ‘3’ and undamaged is ‘17’. what i would do, is that i would:

17+3=20

200/20=10

so, ‘1’ refers to 10 toys. therefore we multiply the amount of undamaged toys by 10 which would get u the answer

10x17=170

which, equals to 170 undamaged toys.

i hope this helped u :)

How do u solve 6. - 0.09

Answers

Hey There!

Whenever you subtract, remember you have to subtract from left to right. Also remember the process of regrouping, this also means to take away from tens. So whenever a number can't subtract you simply regroup it.

6.00
-0.09
_____
5.91

Have A Brainly Day!

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