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Mathematics

2 answers:

Zielflug [23.3K]3 years ago

4 0

1/2= /360 is the correct answer choice

VikaD [51]3 years ago

3 0

Answer:

The correct answer is 1/2 = ?/100

Step-by-step

The circle is divided into 2 halves and the angle is 100 degrees

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Use the information to find and compare Δy and dy. (Round your answers to three decimal places. )

Alisiya [41]

The computation shows that the values of Δy and dy will be 0.572 and 0.4 respectively.

<h3>How to compute the values?</h3>

The value of Δy will be computed thus:

Δy = y(x + Δx) - y(x)

= y(1.1) - y(1)

= 0.5(1.1)⁸ - 0.5(1)⁸

= 0.572

The value of dy will be:

= y'(x)dx

= (0.5)⁸ × x⁷(0.1)

= 0.4 (1)⁷

= 0.4

Learn more about finding values on:

brainly.com/question/25927269

7 0

3 years ago

-3x-8y=20 -5x+y=19 substitute

andreyandreev [35.5K]

$-3x-8y=20\\ \\ -5x+y=19$

First let's multiply the first equation by -5 and the second one by 3

$-5\cdot (-3x-8y)=-5\cdot 20\\ \\ 15x+40y=-100$

$3\cdot (-5x+y)=3\cdot 19\\ \\ -15x+3y=57\\$

And now let's add these two new equations.

$15x+40y=-100\\ \\ -15x+3y=57\\ \\ (15x+40y)+(-15x+3y)=-100+57\\ \\ 15x-15x+40y+3y=-43\\ \\ 43y=-43\\ \\ y=\quad \frac { 43 }{ -43 } \\ \\ y=\quad -1$

We found y's value. Let's put it in one of the equations to find x.

$y=\quad -1\\ \\ -3x-8y=20\\ \\ -3x-8\cdot -1=20\\ \\ -3x+8=20\\ \\ -3x=20-8\\ \\ -3x=12\\ \\ x=\quad \frac { 12 }{ -3 } \\ \\ x=-4$

Solution : (-4, -1)

Good Luck !

4 0

3 years ago

Write 57% as fraction.

Assoli18 [71]

Answer:

57/100

Step-by-step explanation:

8 0

3 years ago

A rectangle is...... a rhombus. Always Sometimes Never

liq [111]

The answer is B Sometimes