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GalinKa [24]
3 years ago
11

Solve for x please and quick please

Mathematics
1 answer:
alisha [4.7K]3 years ago
4 0

Answer:

   x = √149 km

Step-by-step explanation:

Pythagorean theorem

x^2 = 10^2 + 7^2

x^2 = 100 + 49

x^2 = 149

   x = √149

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A dolphin is at the surface of the ocean. What is the dolphin’s elevation?
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Answer:

It's elevation at the surface is 0, and the elevation twenty feet below is -20.

Step-by-step explanation:

The surface level is 0, and diving 20 feet under means 0 - 20, which is negative 20, or -20.

7 0
3 years ago
The perimeter of a square is the product of four and the length of a side. Which of the following funct
cluponka [151]
<h3><u>The function used to find the perimeter of a square, represented by y, given the length of a side, represented by x is: y = 4x</u></h3>

<em><u>Solution:</u></em>

Let "y" be the perimeter of square

Let the length of side be "x"

From given,

The perimeter of a square is the product of four and the length of a side

Which means,

\text{Perimeter of square } = 4 \times \text{ length of side }

Substituting the given variables,

y = 4 \times x\\\\y = 4x

Thus perimeter of square is y = 4x

5 0
3 years ago
Is y=4x+6 And -8x+2y=12 independent dependent or inconsistent
FromTheMoon [43]
I hope this helps you



-8x+2. (4x+6)@=12



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12=12


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6 0
3 years ago
Please determine x.
Dvinal [7]
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5 0
3 years ago
What is the solution to the equation Negative 3 (h + 5) + 2 = 4 (h + 6) minus 9?
ANTONII [103]

Answer:

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Step-by-step explanation:

Use the Distributive law:

1. -3(h+5) gives us -3h-15 then you add your two(2).

the whole of your left side of the equation will give you -3h-13

2. 4(h+6) gives us 4h+24 then you subtract nine(9).

the whole of the right side of the equation will give you 4h+15

3. equate the two like this:

-3h-13=4h+15

4. group like terms of each side:

-13-15=4h+3h

5. Add and Subt<u>r</u>act

-28=7h

6. Decide both sides by 7 to make h the subject of the formula

7. Congratulations you got your answer as h=-4

5 0
2 years ago
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