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3 years ago

What type of angles are these?

Mathematics

2 answers:

Alchen [17]3 years ago

4 0

Answer:

adjacent angle

Step-by-step explanation:

a linear pair =180 so not it

supplementary and complementary can't be it either due to neither being right angles

not a vertical angle

right next to each other with a common line to connect them so adjacent angle

True [87]3 years ago

3 0

Answer:

The one in the picture is called an acute angle which is under 90°

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What are the solutions of x squared + 6 x minus 6 = 10?

steposvetlana [31]

Answer:

x=-8 or x=2

Step-by-step explanation:

x² + 6x - 6 = 10

x² + 6x - 6 - 10 = 0

x² + 6x - 16 = 0

= (x + 8)(x - 2)

x + 8 = 0

x = -8

x - 2 = 0

x = 2

4 0

3 years ago

Read 2 more answers

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Rus_ich [418]

Answer:

3mph

Step-by-step explanation:

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4 years ago

Solve the following linear quadratic system of equations algebraically. y=^2+3x-2 y+3=5x

USPshnik [31]

Answer:

$x=1$

$y=2$

Step-by-step explanation:

$y=x^2+3x-2$ , $y+3=5x$

Replace all occurrences of $y$ in $y+3=5x$ with $x^2+3x-2.$

$(x^2+3x-2)+3=5x$

$y=x^2+3x-2$

Add $-2$ and 3.

$x^2+3x+1=5x$

$y=x^2+3x-2$

Subtract 5x from both sides of the equation.

$x^2+3x+1-5x=0$

$y=x^2+3x-2$

Subtract 5x from 3x.

$x^2-2x+1=0$

$y=x^2+3x-2$

Rewrite 1 as $1^2$ .

$x^2-2x+1^2=0$

$y=x^2+3x-2$

Check that the middle term is two times the product of the numbers being squared in the first term and third term.

$2x=2$ · $x$ · $1$

$y=x^2+3x-2$

Rewrite the polynomial.

$x^2-2$ · $x$ · $1$ $+$ $1^2=0$

$y=x^2+3x-2$

Factor using the perfect square

trinomial rule $a^2-2ab+b^2=(a-b)^2,$

where a = x and b = 1.

$(x-1)^2=0$

$y=x^2+3x-2$

Set the $x-1$ equal to 0.

$x-1=0$

$y=x^2+3x-2$

Add 1 to both sides of the equation.

$x=1$

$y=x^2+3x-2$

Replace all occurrences of $x$ in

$y=x^2+3x-2$ with 1.

$y=(1)^2+3(1)-2$

$x=1$

$y=2$

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3 years ago

For which situations is it appropriate to use a sample? Select three options.

maw [93]

Answer:

B C D

Step-by-step explanation:

We use samples when using an entire population is not feasible.

It is not reasonable to ask every pick-up truck driver what they want their next purchase to be; there are too many owners of pick-up trucks. This means we should use a sample.

Many people drive a highway that connects two large cities. It is not reasonable to survey every person that drives it, so we should use a sample.

On a busy road, we may have many pedestrians; this means we should use a sample instead of the entire population.

XOXO

Kit

brainly.com/question/17113732 <-- hopes this link helps ya ^w^

7 0

3 years ago

I need help with this please

djyliett [7]

Answer:

Step-by-step explanation:

The last three are irrational but I'm not sure about the first four.

3 0

3 years ago