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hodyreva [135]
3 years ago
11

Find the central angle of a sector of a circle if the area of the sector and the area of the remaining part of the circle are in

the proportion 4 : 5 ( with explanation )
Mathematics
1 answer:
andre [41]3 years ago
8 0

Answer:

288

Step-by-step explanation:

360/5 = 72

72x4 = 288

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Witch mixed number shows the result of 89 divided by<br> 35
KATRIN_1 [288]

Answer:

89/35 = 2 and 19/35

Step-by-step explanation:

7 0
3 years ago
By definition, the determinant equals ad - bc. What is the value of when x = -2 and y = 3? I NEED HELP PLEASE
sergiy2304 [10]

Answer:

<h3>B. -84</h3>

Step-by-step explanation:

Taking the determinant of the matrices we will have;

= 4x(5y) - 2x(3y)

= 20xy - 6xy

= 14xy

Given x = -2 and y = 3

Determinant = 14(-2)(3)

Determinant = -28*3

Determinant = -84

4 0
3 years ago
The following data summarizes results from 945 pedestrian deaths that were caused by accidents. If one of the pedestrian deaths
VikaD [51]

Answer:

37.67% probability that the pedestrian was intoxicated or the driver was intoxicated.

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

In this question:

945 accidents.

In 64 of them, the pedestian was intoxicated.

In 292 of them, the driver was intoxicated.

Probability that the pedestrian was intoxicated or the driver was intoxicated.

(64+292)/945 = 0.3767

37.67% probability that the pedestrian was intoxicated or the driver was intoxicated.

6 0
3 years ago
Question:
lina2011 [118]

Answer:

$21

Step-by-step explanation:

starting money: 51

cost of each book = 3

total books bought = 10

3*10 = $30 spent on books

51-30 = $21 left

8 0
3 years ago
Read 2 more answers
A museum groundskeeper is creating a semicircular statuary garden with a diameter of 32 feet. There will be a fence around the g
Leviafan [203]

Answer:

Step-by-step explanation:

There will be a fence around the garden. ... per linear foot. About how much will the fencing costs altogether? Round to the nearest hundreth. Use 3.14 for π ... The straight part of the fence will equal the diameter (d) = 32. The rounded portion will be 1/2 the circumference = (pi)d/2 = (3.14)(16)=50.24.

3 0
3 years ago
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