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3 years ago

8

How many solutions are there to the quadratic formula 10x + y = -x2 + 2

1 answer:

ELEN [110]3 years ago

4 0

Using quadratic formula you can have a maximum of two solutions. When you set this problem equal to zero, your a=-1, b=-10, c=2

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What is the arc length of an arc with radius 10 in and central angle 60 degrees ? Show your work.

emmasim [6.3K]

Answer:

$\huge \boxed{ \boxed{ \red{{s \approx \: 10.47}}}}$

Step-by-step explanation:

<h3>to understand this</h3><h3>you need to know about:</h3>

geometry
PEMDAS

<h3>tips and formulas:</h3>

$s = \frac{\pi {r} \theta}{180}$

<h3>given:</h3>

r=10
$\theta = 60$

<h3>let's solve:</h3>

$\sf sustitute \: the \: value s \: of \: \theta \: and \: r : \\ =\frac{\pi \times 10 \times 60}{180}$
$\sf rediuce \: 60 : \\ =\frac{\pi \times 10 \times \cancel{60} \: ^{1} }{ \cancel{180} \: \:^{3} } \\ =\frac{\pi \times 10}{3}$
$\sf use \: 3.14 \: for \: \pi : \\ = \frac{3.14 \times 10}{3}$
$\sf simplify \: multipication : \\ = \frac{31.4}{3} \\ \approx \: 10.47$

5 0

3 years ago

Given the recursive formula shown, what are the first 4 terms of the sequence?

jeyben [28]

Answer:

B. 5, 20, 80, 320.

Step-by-step explanation:

f(1) = 5

After the first rem, each term id 4 times the previous term, so:

f(2) = 4f(1) = 4*5 = 20.

f(3) = 4f(2) = *20 = 80

f(4) = 4(f3) = 4*80 = 320.

6 0

3 years ago

Find the distance between A(2,3,5) and B(6,7,-2)<br> (pictures of the answer above)

scoray [572]

Answer:

I think it's B (Sorry if im wrong)

3 0

3 years ago

Use triangles ABC and A'B'C' for Exercise. Use the coordinates to find the lengths of the sides.

mafiozo [28]

Answer:

AB = 2

BC = 2

A'B' = 6

B'C' = 6

Step-by-step explanation:

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3 years ago

△ABC is reflected to form △A'B'C' .

Leno4ka [110]

Reflection across the y-axis

7 0

3 years ago

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