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2 years ago

I need help again...

Mathematics

2 answers:

Vadim26 [7]2 years ago

6 0

the answer is 2 what you do to the bottom you do to the top

Veseljchak [2.6K]2 years ago

6 0

Answer:

2 again and the next one is 3

Step-by-step explanation:

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Evaluate each expression. Order of operations<br> 1) (-2)+(5 + 5)2

Virty [35]

Answer:

Step-by-step explanation:

(-2)+(5 + 5)2

(-2)+(10)2

(-2)+20

-2+20=18

6 0

3 years ago

use the picture to write each ratio as a simplified fraction (how are you going to find the length of the third side?) show your

Butoxors [25]

Answer:

<h3>See below</h3>

Step-by-step explanation:

to figure out the ratios we must figure out the length of <u>hypotenuse</u> first to do so we can consider <u>Pythagoras</u><u> theorem</u> given by

$\displaystyle {a}^{2} + {b}^{2} = {c}^{2}$

$\displaystyle \implies c = \sqrt{ {a}^{2} + {b}^{2} }$

substitute:

$\displaystyle c = \sqrt{ {12}^{2} + {9}^{2} }$

simplify squares:

$\displaystyle c = \sqrt{ 225 }$

simplify square root:

$\displaystyle c = 15$

now recall that,

$\displaystyle \sin( \theta) = \frac{opp}{hypo}$
$\displaystyle\cos( \theta) = \frac{adj}{hypo}$
$\displaystyle \tan( \theta) = \frac{opp}{adj}$

the ratios with respect to angle w given by

$\displaystyle \sin( W) = \frac{12}{15} = \frac{4}{5}$
$\displaystyle \cos(W) = \frac{9}{15} = \frac{3}{5}$
$\displaystyle \tan( W) = \frac{12}{9} = \frac{4}{3}$

the following ratio with respect to angle X

$\displaystyle \sin(X) = \frac{9}{15} = \frac{3}{5}$
$\displaystyle \cos(X) = \frac{12}{15} = \frac{4}{5}$
$\displaystyle \tan( X) = \frac{9}{12} = \frac{3}{4}$

7 0

3 years ago

Need alot of help please

Radda [10]

Answer:

a) linear

b) nonlinear

c) nonlinear

d) nonlinear

Step-by-step explanation:

For a linear equation the highest degree is 1. If the degree is more than 1, then it is a non-linear equation.

a) 7x=y-4 is a linear equation because the highest degree is one

$\frac{7}{x} + 3y = 9$

is not a linear equation because when we multiply through by x, we get

$7 + 3xy = 9y$

The degree is 2

c) 6xy +3x=2 is non linear because the degree is 2.

d) x=2y³ +y is non-linear be because the degree is 3.

3 0

3 years ago

The graph below shows the solution to which system of inequalities. y>-3 and y<-x

irina1246 [14]

Answer: (should be) A

Step-by-step explanation: I've done the same test before

8 0

3 years ago

3(5x – 10) < 30x solve for x

Gnesinka [82]

Answer:

x>-1.25

Step-by-step explanation:

3(5x-10)<30x

15x-20<30x

-20<15x

-20/15<x

-1.25<x

x>-1.25

4 0

3 years ago

Read 2 more answers