3 years ago

Given

Mathematics

1 answer:

Dmitry_Shevchenko [17]3 years ago

6 0

Answer:<BOC= 47

Step-by-step explanation:

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Find the value of x so that the polygons have the same perimeter

mestny [16]

x - 2 + x + 4 + x - 2 + 4 - 4 = x + 3 + x + 4 + x + 5

4x + 4 = 3x + 12

4x - 3x = 12 - 4

x = 8

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3 years ago

Use the Pythagorean identity

kirza4 [7]

Answer:

2√61/19

Step-by-step explanation:

sin^2 x = 1 - cos^2 x

= 1 - (3√13/ 19)^2

= 1 - 117/361

= 244/361

sin x = √244/19

= 2√61/19.

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2 years ago

(2 marks) Ten persons will stand in a line. 3 males and 7 females. In how many ways they may be arranged according to gender?

Blababa [14]

Answer:

In 1 ways they may be arranged the line

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3 years ago

Stephanie earned 8 points for every book she read over the summer. The equation y = 8x represents Stephanie's points based on th

7nadin3 [17]

Answer: multiply 8 on all x number of books read

Step-by-step explanation:

1 is 8 because 8 × 1 is 8

2 is 16 because 8 × 2 is 16

3 is 24 because 8 × 3 is 24

4 is 32 because 8 × 4 is 32

5 is 40 because 8 × 5 is 40

6 is 48 because 8 × 6 is 48

7 is 56 because 8 × 7 is 56

8 is 64 because 8 × 8 is 64

9 is 72 because 8 × 9 is 72

10 is 80 because 8 × 10 is 80

8 0

3 years ago

if there are two containers of sugar solution, the first is 4% concentration and second is 8% concentration. how much of each sh

Elina [12.6K]

Answer:

<u>30 gallons solution 4% and 10 gallons solution 8%</u>

Step-by-step explanation:

x=40-y

4(40-y)+8y=200

160-4y+8y=200

4y=200-160

4y=40 => y=10 (gallons solution 8%)

=> x=40-10=30 (gallons solution 4%)

30 gallons solution 4% and 10 gallons solution 8%

5 0

2 years ago