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3 years ago

What type of symmetry does each figure have? Check all of the boxes that apply.

Mathematics

1 answer:

larisa86 [58]3 years ago

7 0

Answer:

The oval is a line and rotational symmetry.

The line shapes rectangle has no symmetry.

The smiling face is a line symmetry.

Step-by-step explanation:

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I'M IN A TIMED TEST... HELP PLZ!!!The volume of this sphere is StartFraction 500 pi Over 3 EndFraction cubic inches. What is its

Mrac [35]

Answer:

It's B ( just did it )

Step-by-step explanation:

Looked up the answer real quick and the person had the same question with a picture.

It's on Ed2020 it's B

8 0

3 years ago

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Determine the range of the function.

Naya [18.7K]

Answer:

$Solution: f(x)\ge-5\\Interval:[-5,\infty)$

Step-by-step explanation:

Equation: $\frac{1}{4} x^2-5 = y$

1). $\frac{1}{4} x^2-5 = y$ → $\frac{x^2}{4}-5=y$

2). $\frac{x^2}{4}-5=y$ ∴ $a=\frac{1}{4}, b=0, c=-5$

3). $x_v=-\frac{b}{2a}$

$=-\frac{0}{2(\frac{1}{4})}$

$=0$

4). now plug $x_v$ into $y_v$

$y_v=\frac{0^2}{4}-5$

$=-5$

5). Minimum (0,-5) ∴ $f(x)\ge-5$

4 0

3 years ago

Evaluate the line integral, where c is the given curve. c y3 ds,

postnew [5]

Parameterizing $\mathcal C$ by

$\mathbf r(t)=(t^3,t)$

with $0\le t\le2$ , we have

$\mathrm ds=\|\mathbf r'(t)\|\,\mathrm dt=\sqrt{(3t^2)^2+1^2}\,\mathrm dt=\sqrt{9t^4+1}\,\mathrm dt$

So

$\displaystyle\int_{\mathcal C}y^3\,\mathrm ds=\int_{t=0}^{t=2}t^3\sqrt{9t^4+1}\,\mathrm dt$
$=\displaystyle\frac1{36}\int_0^236t^3\sqrt{9t^4+1}\,\mathrm dt$
$=\displaystyle\frac1{36}\int_{u=1}^{u=145}\sqrt u\,\mathrm du$
$=\dfrac{145^{3/2}-1}{54}$

5 0

3 years ago

A person in the audience of a talk show has a 15% chance of winning free movie tickets. What is the chance that a person in the

Sergeu [11.5K]

-- The person in the audience will either win tickets or not win tickets.

-- The probability of (either win tickets or not win tickets) is 100%.

-- (Probability of win tickets) plus (probability of not win tickets) = 100%.

-- If (probability of win tickets) is 15%, then the (probability of not win tickets)
is the other 85%.

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3 years ago

Read 2 more answers

I need help solving it

Oxana [17]

7. the last one

I = P R T

I = 15.75 P = 500 R = unknown T = 6

15.75 = 500 (r) (6)

divide the T and I

15.75 ÷ 6 = 500 (r) (6) ÷6

2.62 = 500 (r) *get rid of the six*

divide the P with new answer

2.62 ÷ 500 = 500 ÷ 500 *get rid of 500*

0.00524 = r

move decimal to make it in to a percentage

5.24% = R

6 0

2 years ago