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andrew11 [14]
4 years ago
7

If set A = {3, 4, 7, 9} and if set D = {9, 4, 3, 7}, A = D. True False

Mathematics
2 answers:
Setler79 [48]4 years ago
5 0

True, we have the exactly same values in both domains.

pashok25 [27]4 years ago
5 0

Answer:

this is true!

Step-by-step explanation:

it is true because both have the exactly same values in both domains.

hope this helps :)

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In Charlie's family, two people have blue eyes, and three people have brown eyes. Write a fraction to represent the part of the
storchak [24]

Answer:

2/5

Step-by-step explanation:

their are 5 people in total and 2 people have blue eyes so if you convert that into a fraction you get 2/5

5 0
3 years ago
The function h(t)=-4.92t^2+17.69t+575 is used to model an object being tossed from a tall building, where h(t) is the height in
nikklg [1K]
We have the following equation:
<span> h(t)=-4.92t^2+17.69t+575

</span> For the domain we have:
<span> </span>We match zero:
 -4.92t ^ 2 + 17.69t + 575 = 0
 We look for the roots:
 t1 = -9.16
 t2 = 12.76
 We are left with the positive root, so the domain is:
 [0, 12.76]

 For the range we have:
 We derive the function:
 h '(t) = - 9.84t + 17.69
 We equal zero and clear t:
 -9.84t + 17.69 = 0
 t = 17.69 / 9.84
 t = 1.80
 We evaluate the time in which it reaches the maximum height in the function:
 h (1.80) = - 4.92 * (1.80) ^ 2 + 17.69 * (1.80) +575
 h (1.80) = 590.90
 Therefore, the range is given by:
 [0, 590.9]

 Answer:
 the domain and range are:
 
domain: [0, 12.76] range: [0, 590.9]
5 0
3 years ago
Read 2 more answers
The amount of money earned varies directly with the number of hours worked. If Jack earned $313.25 for 35 hours, then how many h
loris [4]
Here... we're dividing first to find out how much he makes per hour. 313.25 divided by 35 so he makes $8.95 per hour. now divide 366.95 by 8.95 to find out how many hours he worked this week, so this week he worked 41 hours this week.

5 0
3 years ago
A circular mirror is surrounded by a square metal frame. The radius of the mirror is 5x. The side length of the metal frame is 1
Aleks04 [339]

Answer:

-25x^{2} (\pi -9)

Step-by-step explanation:

The area of the metal frame is equal to the area of the square minus the area of the circle.

The area of the square is the side length squared:

(15x)^{2}

=225x^{2}

The area of the circle is \pi r^{2}, with r being the radius:

\pi (5x)^{2}

=\pi *25x^{2}

=25\pi x^{2}

Now find the area of the metal frame:

225x^{2} -25\pi x^{2}

25x^{2} (9-\pi )   Factor out the GCF, 25x^{2}

-25x^{2} (\pi -9)   Factor out a -1

5 0
3 years ago
The amount is 2.88 is ( percent of what price?
Ket [755]

Answer:

Discount = Original Price x Discount %/100

Discount = 2.88 × 1/100

Discount = 2.88 x 0.01

You save = $0.03

Final Price = Original Price - Discount

Final Price = 2.88 - 0.0288

Final Price = $2.85

4 0
4 years ago
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