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3 years ago

What type(s) of symmetry does this figure have?

Mathematics

2 answers:

Monica [59]3 years ago

8 0

Vertical symmetry is the only type.

NeTakaya3 years ago

7 0

It has reflectional symmetry

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Write a recursive formula for f(n) = -3 + 2 for n > = 1

bearhunter [10]

Answer:

$f(n) = f(n - 1) - 3$

Step-by-step explanation:

Assuming the explicit formula is

$f(n) = - 3n + 2$

Then f(1)=-3+2=-1

f(2)=-6+2=-4

The common difference is -4--1=-3

Then the recursive formula is given as:

$f(n) = f(n - 1) + d$

$f(n) = f(n - 1) - 3$

5 0

3 years ago

In 1980 and again in 2010, a Gallup poll asked a random sample of 1000 US citizens people "Are you in favor of the death penalty

Digiron [165]

Answer:

H0: p(1980) = p(2010) ; H1 : P(1980) > P(2010)

0.02

Step-by-step explanation:

Given that:

Sample size in both 1980 and 2010 = 1000 samples :

Proportion in favor :

P(1980) = 0.66

P(2010) = 0.64

To test the hypothesis :

Null hypothesis :

Proportion in favor are the same in both years

Null hypothesis = H0 = p(1980) = p(2010)

Alternative hypothesis :

Proportion in favor in 1980 is greater than that in 2010

Alternative hypothesis = H1 : P(1980) > P(2010)

The sample statistic :

P(1980) - p(2010)

0.66 - 0.64

= 0.02

7 0

2 years ago

What are the values of the side lengths of a triangle with 45-45-90

dalvyx [7]

Answer:

Looking at the graphic, if a 45-45-90 triangle has a hypotenuse of 1, then each of the side lengths equal 1 / square root (2)

Source: https://www.1728.org/trig2.htm

Step-by-step explanation:

8 0

2 years ago

Read 2 more answers

Shelby's Ice Cream Shop sold 8 sundaes with nuts and 4 sundaes without nuts. What is the ratio of the number of sundaes with nut

Romashka-Z-Leto [24]

Answer: 2:1

Step-by-step explanation:

The ratio of A to B is given by : $\dfrac{A}{B}$ or A : B .

Given : sundaes with nuts = 4

sundaes without nuts = 8

The ratio of the number of sundaes with nuts to the number of sundaes without nuts = $\dfrac{8}{4}=\dfrac{2}{1}\ \ \ [\text{Divide numerator and denominator by 4 }]$

= 2:1

hence, the required ratio = 2:1 .

3 0

2 years ago

Subtract. – 0.41 – 8.91<br> a. –9.32<br> b. –8.50<br> c. 8.50<br> d. 9.32

Free_Kalibri [48]

The answer is a -9.32

5 0

3 years ago