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TEA [102]
4 years ago
7

What is the value of x?​

Mathematics
1 answer:
maria [59]4 years ago
3 0

Answer:

x = 25

Step-by-step explanation:

To find the answer, use the Pythagorean Theorem.

a^2 + b^2 = c^2

7^2 + 24^2 = c^2

49 + 576 = c^2

625 = c^2

25 = c

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Which expression is equivalent to (4(5^3)1/2?
Feliz [49]

Answer:

10\sqrt{5}

Step-by-step explanation:

In this problem, we are given expression in exponent form and we have to simplify the expression.

The expression is [4(5^{3} )]^{\frac{1}{2} }

Now, we know that 5^{3} = 5 \times 5 \times 5 = 125

So, 4(5^{3} ) = 4 \times 125 = 500

Now, 500 can be written as 100 × 5 = 10² × 5

Therefore, [4(5^{3} )]^{\frac{1}{2} } = (500)^{\frac{1}{2} } = 10\sqrt{5} {Since 500 = 100 × 5 = 10² × 5} (Answer)

6 0
4 years ago
Help please anyone...
dybincka [34]

Answer:

A.) -5

Step-by-step explanation:

-3×-5 = 15 (two negatives equal a positive)

15-4 = 11 which is greater than 7

feel free to mark brainliest if this helped you :)

8 0
3 years ago
Plz help ASAP Radians
krok68 [10]
The given angle is in radians and has to be converted into degrees.

To convert a radian measure to degrees multiply it by 180/π

Angle in radians = \frac{257 \pi }{360}

Angle in degrees will be:

\frac{257 \pi }{360}* \frac{180}{ \pi }   \\  \\ 
= \frac{257}{2}

Therefore, the measure of the given angle in degrees will be 257/2
3 0
3 years ago
Determine which of the lines, if any, are parallel or perpendicular. Explain.
pishuonlain [190]

Answer:

See below

Step-by-step explanation:

Let's rewrite all three equations is standard slope-intercept format of y = mx + b, where m is the slope and b the y-intercept (the value of y when x = 0).

Line a: -x+2y=3

                 2y = x + 3

                  y = (1/2)x + 3

Line b: -6x=3y-1

             -3y = 6x - 1

               y = -2x + (1/3)

Line c: 4x-8y=5

              -8y = -4x + 5

                y = (1/2)x - (5/8)

Parallel lines have the same slope (m).  Perpendicular lines have slopes that are the negative inverse (-1/m)of each other.

Slopes, m, for the lines are;

  • a)  (1/2)
  • b)  -2
  • c)  (1/2)

The negative inverse of (1/2) is -2.

Lines a and c are parallel (same slope)

Line b is perpendicular since it's slope is the negative inverse of both a and b (-1/(1/2)) = -2

8 0
3 years ago
Solve the equation -t^2+2t+15=0
Furkat [3]

Answer:

t=5

t=-3

Step-by-step explanation:

3 0
3 years ago
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