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S_A_V [24]
3 years ago
9

What is d square root of 49​

Mathematics
2 answers:
fomenos3 years ago
3 0

Answer:

± 7

Step-by-step explanation:

Given

d = \sqrt{49}, then

d = 7 or - 7, that is ± 7

Since 7 × 7 = 49 and - 7 × - 7 = 49

Sati [7]3 years ago
3 0

Answer:

7 is the square root of 49

Step-by-step explanation:

we can find it by using lcm method

or

we know 7*7 is 49

so

49/7 - 7

therefore square root of 49 - 7

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Part A: Explain why x = 5 makes 4x - 1 5 19 true but not 4x - 1 < 19.
Westkost [7]

9514 1404 393

Answer:

  • 19 ≤ 19 . . . true
  • 19 < 19 . . . false
  • x = 9

Step-by-step explanation:

A) A number cannot be less than itself, but can be equal to itself.

In each case, the left side of the inequality evaluates to 19:

  4(5) -1 = 20 -1 = 19

It is true that 19 is less than or equal to 19. This is true because 19 = 19.

It is not true that 19 is less than 19. A number cannot be less than itself.

__

B) 5x +2 = 47

  5x = 45 . . . . . . subtract 2 from both sides

  x = 9 . . . . . . . . . divide both sides by 5

The element 9 from the set is the solution to the equation.

6 0
3 years ago
W= A over 4 what does A equal?
timurjin [86]

Answer:

Hi there!

If W= A/4, then A= 4W  

Step-by-step explanation:

because if you times 4 on both sides of the equation : w*4 = (A/4) *4

you get A= 4W

4 0
4 years ago
I don’t understand need help
RideAnS [48]

Answer: Choice D

(a-e)/f

=======================================

Explanation:

Points D and B are at locations (e,f) and (a,0) respectively.

Find the slope of line DB to get

m = (y2-y1)/(x2-x1)

m = (0-f)/(a-e)

m = -f/(a-e)

This is the slope of line DB. We want the perpendicular slope to this line. So we'll flip the fraction to get -(a-e)/f and then flip the sign from negative to positive. That leads to the final answer (a-e)/f.

Another example would be an original slope of -2/5 has a perpendicular slope of 5/2. Notice how the two slopes -2/5 and 5/2 multiply to -1. This is true of any pair of perpendicular lines where neither line is vertical.

8 0
3 years ago
What is the equation?
AfilCa [17]

Answer:

76

Step-by-step explanation:  and explain

3 0
3 years ago
Read 2 more answers
Where does the circumference of each kind of triangle lie? Question 1 options: Inside the triangle. Outside the triangle. On the
stiks02 [169]

Answer:

Inside the triangle - Acute Triangle

Outside the triangle - Obtuse Triangle

On the hypotenuse - Right Triangle

Step-by-step explanation:

The <u>circumcenter</u> is the point where the perpendicular bisectors of a triangle intersect.

In the special case of a right triangle, the circumcenter lies exactly at the midpoint of the hypotenuse.

The circumcenter of an acute triangle lies inside the triangle.

The circumcenter of an obtuse triangle lies outside the triangle.

4 0
3 years ago
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