Simplify the radical expression sqrt 7+3 sqrt 7

Answers

Answer 1

Answer: 4 $√(7)$

This is because there is an imaginary 1 in front of the first sqrt.

Answer 2

Answer: √7+3√7 = 4√7
thus answer is 4√7

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The sum of a number and two times a smaller number is 98. The bigger number is 22 less than three times the smaller number.
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factor of the line segment dilation. AB: endpoints (−6, −3) and (−3, −9) to A'B': endpoints at (−2, −1) and (−1, −3).
When Maxwell solved his equation, he got 5=5. If he did everything correctly, what does this solution tell him?

Сым сөзінің әдеби тілдегі баламасы

Answers

Whatttt ru mean!????

Answer:

what is heck you said "Literary equivalent of the word wire"

HELP ! Find the Domain in this question

Answers

See that denominator cannot be zero, so,

x-3 ≠ 0
x ≠ 3

Domain:

S={x∈R/x≠3}

$x-3\not=0\n x\not=3\n D:x\in\mathbb{R}\setminus\{3\}$

Solve this equation:
5/8y=-1

Answers

$(5)/(8) y = -1$

First, change $(5)/(8) y$ to $(5y)/(8)$ / Your problem should look like: $(5y)/(8) = -1$
Second, multiply both sides by 8. / Your problem should look like: $5y = -8$
Third, divide both sides by 5. / Your problem should look like: $y = -(8)/(5)$

Answer as fraction: y = $- (8)/(5)$
Answer as decimal: -1.6

5/8y=−1

Multiply both sides by 8/5.

(8/5)*(5/8y)=(8/5)*(−1)

y=−8/5

Mr. Thomas sleeps for a third of the day, grades papers for an eighth of the day, and drive his car for a twelfth of the day, how many more hours are left to do other things?

Answers

Answer:

11 hrs

Step-by-step explanation:

12 - (1/3 + 1/8 + 1/12)

1/3 + 1/8 + 1/12 = (8+3+2)/24 = 13/24 (13 hrs of 24)

24 - 13 = 11 hrs

Can someone make the numbers 1 to 50 a perfect square?

Answers

I don't think you mean a "perfect" square. A perfect square is a whole number
that is the product of a smaller whole number multiplied by itself.
1, 4, 9, 16, 25, 36, and 49 are the perfect squares that are less than 50.

I think you mean a "magic" square ... one in which each row, each column,
and each diagonal, all add up to the same number. If that's what you mean,
then the answer to the question is "no". Magic squares are always square.
That is they always have the same number of rows and columns. So the
number of 'cells' in a 'magic' square is always a 'perfect' square.

50 isn't a perfect square, so you can't make a magic square with it.

I need full solution

Answers

Answer:

11= EC

Step-by-step explanation:

EC = 10 + 2 x + 19

= x + 20

So 2 x + 29 - x - 20 = 0

so x + 9 = 0

x = -9.

EC = x + 20 = -9+20 = 11.

Answer:

EC = 11 units

Step-by-step explanation:

first we find the value of x

10 + 2x + 19 = x + 20

2x - x = 20 - 10 - 19

x = -9

--------------------------------

check

10 + 2(-9) + 19 = -9 + 20

10 - 18 + 19 = -9 + 20

11 = 11

same value the answer is good

Now we find EC

EC = 10 + 2x + 19

EC = 10 + 2(-9) + 19 (remember PEMDAS)

EC = 10 - 18 + 19

EC = 11 units

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