2 years ago

Only using 1 2 3 4, find a solution that equals 18, 19, 20, and 21

Mathematics

1 answer:

adoni [48]2 years ago

6 0

Answer:

See below, there may be more than one answer

Step-by-step explanation:

4(3+1)+2 = 18

(4+2)(3)+1 = 19

(1)(2+3)(4) = 20

(1+2)(3+4) = 21

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If the radius of a circle is 20 cm, what is the circumference? (Use π = 3.14)

PIT_PIT [208]

Okay so the circumference of a circle is pi×the diameter or 2×radius× pi. In this case we are given the radius so
C=2×20×3.14
C=40×3.14
C=125.60
The circumference is 125.60cm

4 0

2 years ago

Guys im giving max points for this, please give me a correct answer and best gets brainliest.

lukranit [14]

Answer:

y=-2/3 x +4

Step-by-step explanation:

slop = (6-0)/(-3-6)= -2/3

c= 4 (when x =0)

line equation:

y= mx + c

y=-2/3 x +4

4 0

2 years ago

Read 2 more answers

Stock A changed by - $2,60 during the day. Stock B changed by 3

Slav-nsk [51]

Answer:

$7.80

Step-by-step explanation:

$2.60 * 3 = $7.80

5 0

3 years ago

A stadium has 39 sections. there are 18 sections that each have 478 seats. The remaining sections each have 292 seats. If 13,528

vesna_86 [32]

Answer: 1,208 seats

Step-by-step explanation:

39-18= 21

18 x 478 = 8,604

21 x 292 = 6,132

8,604 + 6,132 = 14,736

14,736 - 13,528 = 1,208

6 0

2 years ago

8 (3f - g) when f = 9 and g = -3

Neko [114]

Step-by-step explanation:

8(3f-g)

when f=9, g=-3, then

8(3×9-(-3))
8(27+3)
8(30)
240

3 0

1 year ago