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Ede4ka [16]
2 years ago
7

Evaluate. f(x)=17-5x at x=a-3

Mathematics
1 answer:
bulgar [2K]2 years ago
8 0
I hope this helps

x= 17/5

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If Gabby wants to make a regular octagon with a side length of 20 inches using a wire how much wire does she need? Justify your
liraira [26]

Answer: 160 inches.

Step-by-step explanation:

If an octagon has 8 sides and the side length is 20 inches, 20 x 8 = 160 inches. That means she needs 160 inches of wire.

4 0
3 years ago
A festival charges $3 for child admission and $5 for adult admision. At the end of the festival they have sold 779 tickets for a
lutik1710 [3]

Answer:

562 child tickets were sold

217 adult tickets were sold

Step-by-step explanation:

A festival charges $3 for children admission and $5 for adult admission

At the end of the festival they have sold a total number of 779 tickets for $2771

Let x represent the child ticket

Let y represent the adult ticket

x + y= 779..............equation 1

3x + 5y= 2771..........equation 2

From equation 1

x + y = 779

x= 779 -y

Substitute 779-y for x in equation 2

3x + 5y= 2771

3(779-y) + 5y= 2771

2337 - 3y + 5y= 2771

2337 +2y= 2771

2y= 2771 -2337

2y = 434

y = 434/2

y = 217

Substitute 217 for y in equation 1

x + y= 779

x + 217= 779

x = 779-217

x= 562

Hence 562 child tickets were sold and 217 adult tickets were sold

6 0
3 years ago
Abigail plays a game in which she spins a spinner over and over again. The spinner has 4 equally sized sections labeled 1 throug
Andrew [12]

Answer:

Part 1: The option (A) is correct. The prediction of the event is 32 spins.

Part 2: Option (B) is correct. The probability of the event is 139 passwords.

Part 3: The P(yellow or blue) is 2/6.

Part 4: Option (B) is correct.

Part 5: Both options (A) and (C) are correct.

Step-by-step explanation:

please brainless

5 0
2 years ago
Find the slope between the points (-3, -5) and (2, -5). Enter DNE if the slope between the points is undefined.
svet-max [94.6K]

Answer: The slope is 0

Step-by-step explanation: The coordinates dont change from y=-5 to y=-5

4 0
1 year ago
Read 2 more answers
257/5000 In an envelope there are 20 ballots, 8 have drawn a car the rest are white. Find the probability to extract at least on
Gwar [14]

Answer:

Step-by-step explanation:

There are 20 ballots, 8 have drawn a car the rest are white.

Find the probability to extract at least one ballot with the drawing of a car if not replaced:

1. If a ballot is taken out:

8 have drawn a car: thus we have 8/20 = 2/5

2. If two ballots are removed, probability of extracting 1 ballot with drawing of car is 8/20 leaving 7 out of 19 remaining. The 7/19 is the probability of drawing out a second ballot with the drawing of a car. Thus we have

8/20 * 7/19 = 56/380 = 14/95

3. If three ballots are removed, probability of extracting 1 ballot with drawing of car is 8/20 leaving 7 out of 19 remaining. The 7/19 is the probability of drawing out a second ballot with the drawing of a car leaving 6 out of 18 remaining. The 6/18 is the probability of drawing out a third ballot with the drawing of a car.

8/20 * 7/19 * 6/18 = 42/855

5 0
3 years ago
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