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rusak2 [61]
3 years ago
10

Find the value of the expression below when x = 27, y = - 4 , and z = 64 . 2 * root(3, x) - 5sqrt(x) + y ^ 2 answer

Mathematics
1 answer:
Anna71 [15]3 years ago
3 0

Answer:

  • -18

Step-by-step explanation:

  • x = 27, y = - 4, z = 64

<u>Expression:</u>

  • 2∛x - 5√z + y² =
  • 2∛27 - 5√64 + (-4)² =
  • 2(3) - 5(8) + 16 =
  • 6 - 40 + 16 =
  • -18
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Here are your equations:
x and 3x
How to set up:
2(x)+ 2(3x) = 44
Simplify:
8x = 44
Divide:
x = 5.5
Plug back in to find values:
Width = 5.5
Length = 16.5

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5 0
3 years ago
Lines m and n are parallel Line m is described by the equation y = 40 +2. Line n contains the point (1, -3). Which of the follow
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Answer:

B)Oy+ 3 = 4(x - 1)

Equation of the straight line   y +3 = 4( x-1)

Step-by-step explanation:

<u><em>Explanation:-</em></u>

<u><em>Step(i):-</em></u>

Given that the equation   y = 4x +2

and given that the point (1,-3)

The equation of the parallel line to the given line

                       ax +by +k=0

                       4x-y +k=0

This line is passing through the point (1,-3)

                  ⇒ 4(1) -(-3) +k=0

                  ⇒   4+3 +k=0

                          7 +k=0

                             k =-7

The equation of the Parallel line  4x-y -7 = 0

<u><em>Step(ii):-</em></u>

Given that the slope m = 4 and the point (1,-3)

Equation of the straight line

             y - y₁ = m(x-x₁)

             y -(-3) = 4( x-1)

            y +3 = 4( x-1)

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3 years ago
If f(x) = 3x + 2, what is f(5)?​
djverab [1.8K]

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f(x) = 3x + 2

f(5) = 3(5) + 2

f(5) = 15 + 2

f(5) = 17

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John is creating crafts that require 4 2/5 inches of string each. If the string comes in a 50ft spool, how many items can he mak
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Answer:

Step-by-step explanation:

7 0
3 years ago
Please Help <br> Choose the correct anwser
insens350 [35]
D. 3

You can use Pythagorean Theorem to figure this out.

a^2 + b^2 = c^2

4 would your b, and 5 would be your c. You would then solve for a.

Also, 3-4-5 triangles are just something that you can always count on. If two sides of a triangle are 3 and 4, you can count on the hypotenuse being 5. On the other hand, if you know the hypotenuse is 5 and you know one of the other sides is either 3 or 4 (let’s say 3, for example) then you know the missing side has to be the other number (which would be 4 in the example i gave).
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3 years ago
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