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zubka84 [21]
3 years ago
5

-10 + square root of 2x+1 = -5

Mathematics
1 answer:
Citrus2011 [14]3 years ago
5 0

Answer:

Step-by-step explanation:

-10+sqrt2x+1 = -5

sqrt2x+1 = -5+10

sqrt2x+1 = 5

2x+1 = sqrt5

2x = sqrt5-1

x = (sqrt5-1)/2

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6 tens+ 8hundreds+7 ones
Vikki [24]

Answer:

  • 867.

Step-by-step explanation:

<u>Given equation:</u>

  • 800 + 60 + 7

<u>Solve:</u>

  • 800 + 60
  • = 860 + 7
  • = 867.
7 0
3 years ago
Read 2 more answers
If x =2 y=3 z=4 solve the following<br><br> x² + y²
Tanya [424]

Answer:

13

Step-by-step explanation:

Given x = 2, y = 3 and z = 4. We'll evaluate the value of x² + y² with given condition.

First, remind that we are only given the expression of x-term and y-term only and therefore, z-term is not included - it's not to be considered.

Substitute x = 2 and y = 3 in the expression:

\displaystyle{2^2+3^2 = 4+9}\\\\\displaystyle{4+9 = 13}

Hence, the value of x² + y² when x = 2 and y = 3 is 13.

Please let me know if you have any questions!

4 0
2 years ago
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Use the figure to find the measures of the numbered angles
tresset_1 [31]
1. 112 degrees
2. 68 degrees
3 0
3 years ago
What is the answer for h in this instance <br> 3h^2=h^2+18
wolverine [178]

Answer:

Simple!

Step-by-step explanation:

I'll just solve it!

3h^{2} =h^{2}+18\\ 2h^{2} =18\\h^{2} =9\\h=3, h=-3

There you go!

Hope this helps!

P.S. Stay Safe!

8 0
4 years ago
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Patrick is an electrical engineer who is testing the voltage of a circuit given a certain current and resistance. He uses the fo
morpeh [17]

Based on the given current and the given resistance, the voltage of the current is 14 + j8

<h3>How to determine the voltage of the current?</h3>

From the question, we have the following parameters

current of 4+j2 amps and a resistance of 2-j3 ohms.

This can be rewritten as:

Current (I) = 4+j2 amps

Resistance (R) = 2-j3 ohms.

The formula to calculate voltage is given as

Voltage=(current) × (resistance)

Rewrite as:

V = I * R

Substitute the known values in the above equation

V = (4 + j2) * (2 - j3)

Expand the brackets

V = 8 - j4 + j12 + 6

Collect the like ters

V = 8 + 6 - j4 + j12

Evaluate the like term

V = 14 + j8

Based on the given current and the given resistance, the voltage of the current is 14 + j8

Read more about current and voltage at:

brainly.com/question/14883923

#SPJ1

3 0
1 year ago
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