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4 years ago

What is vertical angle

2 answers:

7 0

Vertical angle is when opposite angles meet in the middle of two intersecting lines (share the same vertex). They are equal to each other too.

Hope this helps! :)

garik1379 [7]4 years ago

6 0

Hello

Vertical angles are the two lines that make up an angle

Google Definition

each of the pairs of opposite angles made by two intersecting lines.

Hope this helps

plz mark me as brainliest

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How many lines of symmetry does a regular polygon with 16 sides have? A. 2 B. 8 C. 32 D. 16

denpristay [2]

Answer:

C. 32

Step-by-step explanation:

There are 16 lines of symmetry passing through the vertex's and another 16 passing through the mid points of the sides

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3 years ago

Oceanside Bike Rental Shop charges 13 dollars plus 7 dollars an hour for renting a bike. Sandy paid 41 dollars to rent a bike. H

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3 years ago

Simplify. (-2u?+u-3)+(4u²+7u+5)

Pavlova-9 [17]

Answer:

$2u^2+8u+2$

Step-by-step explanation:

$\left(-2u^2+u-3\right)+\left(4u^2+7u+5\right)$

$\blacksquare$ Remove parentheses:

$\longmapsto$ $-2u^2+u-3+4u^2+7u+5$

$\blacksquare$ Combine like terms:

$-2u^2+4u^2+u+7u-3+5$

$\longmapsto$ $-2u^2+4u^2=2u^2$

$\longmapsto$ $\:u+7u=8u$

$\longmapsto$ $-3+5=2$

$\leadsto$ $2u^2+8u+2$

_______________________

3 0

3 years ago

Read 2 more answers

Miley’s music has a sale on music CDs. All music CDs are discounted 15%. Mariana’s receipt indicates that she saved $3 on her CD

Tcecarenko [31]

she saved $3, and we know the discount is 15%, so her savings is that 15%, thus we know 15% of that purchase is 3.

let's say the full price is x, and therefore the 100%, if we know 3 is the 15%, what is x?

$\bf \begin{array}{ccll} amount&\%\\ \cline{1-2} 3&15\\ x&100 \end{array}\implies \cfrac{3}{x}=\cfrac{15}{100}\implies \cfrac{3\cdot 100}{15}=x\implies 20=x$

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3 years ago

3x + 2y = 5 X – 2y = -1

inysia [295]

Answer:

(1, 1 )

Step-by-step explanation:

Given the 2 equations

3x +2y = 5 → (1)

x - 2y = - 1 → (2)

Adding the 2 equations term by term will eliminate the term in y, that is

(3x + x) + (2y - 2y) = (5 - 1)

4x = 4 ( divide both sides by 4 )

x = 1

Substitute x = 1 in either of the 2 equations and solve for y

Substituting in (1)

3(1) + 2y = 5

3 + 2y = 5 ( subtract 3 from both sides )

2y = 2 ( divide both sides by 2 )

y = 1

Solution is (1, 1 )

7 0

3 years ago