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2 years ago

Sides and angles of this triangle?

Mathematics

2 answers:

ANEK [815]2 years ago

8 0

The sides are AB, BC, and AC. AC is about 1.48 in length. The angles are A B and C and are unknown other than angle B is 90 degrees.

mestny [16]2 years ago

5 0

A to B is 5, A to C is 9, and B to C is 3

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Which of the following is the best approximation of the volume of a sphere with a 9 cm radius?

LenaWriter [7]

Volume = 4/3 * PI * r^3
Volume = 4/3 * 3.14159 * 9^3
Volume = 4.18879 * 729
Volume = 3,053.62 cubic centimeters

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3 years ago

A bakery sold 27 mocha cupcakes in a day, which was 9% of the total number of

Sidana [21]

Answer:

300 cupcakes

Step-by-step explanation:

$27 = .09c$

$c = \frac{27}{.09} = \frac{2700}{9} = 300$

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1 year ago

Which represents a quadratic function? f(x) = −8x3 − 16x2 − 4x f (x) = x 2 + 2x − 5 f(x) = + 1 f(x) = 0x2 − 9x + 7

Katena32 [7]

$\text{A quadratic function:}\ f(x)=ax^2+bx+c\\\\\text{where}\ a\neq0$
$f(x)+-8x^3-16x^2-4x-NOT\\\\f(x)=x^2+2x-5-YES\\\\f(x)=?+1-NOT\\\\f(x)=0x^2-9x+7-NOT$

8 0

2 years ago

Read 2 more answers

Y= x^2 -5 solve for x

dexar [7]

$Y= x^2 -5$

We need to solve for x, we need to get x alone

$Y= x^2 -5$

Lets start by removing -5

Add 5 on both sides

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

$y + 5= x^2$

Now to isolate x , we need to remove the square from x

To remove square , take square root on both sides

$+-\sqrt{y+5} = \sqrt{x^2}$

square and square root will get cancelled

$+-\sqrt{y+5} = x$

So $x = +\sqrt{y+5}$ and $x = -\sqrt{y+5}$

7 0

2 years ago

Which of the following rotational symmetry is applied to the regular not

olya-2409 [2.1K]

9514 1404 393

Answer:

Step-by-step explanation:

A regular nonagon has vertices that are 360°/9 = 40° apart. Any rotation by a multiple of 40° will make the figure indistinguishable from the original.

Rotational symmetry of 40° applies.

Rotational symmetry of 200° applies.

6 0

2 years ago