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omeli [17]
2 years ago
11

Please help! And 20 points! :3 I need help with these 3 questions- -3-||

Mathematics
1 answer:
Katyanochek1 [597]2 years ago
8 0

Answer:

18. Its 2 meters.

19. Its 0.2 grams

20. Its 1,920

Step-by-step explanation:

When you convert 200 centimeters to meters its 2.

When you convert 2,000 milligrams in grams its 0.2

15% of 12, 800 is 1,920

Hope this helps:)

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The sum of three odd consecutive numbers is fifty-one. What are the numbers?
Fantom [35]

Answer:

15,17,19

Step-by-step explanation:

Make an equation : x+(x+2)+(x+4)=51

Solve the equation:3x+6=51

3x=51-6

3x=45

x=15

Since x=15 then the second number is 17 and then 19

Hope this helps!

Stay Safe

7 0
3 years ago
What are the answers to each of them?
valentina_108 [34]

Answer:

1. -5

2. 8

3. -11

Step-by-step explanation:

In quadratic equations, ( ax^2+bx+c=0 ) C is always the y-intercept. In these equations, C is -5, 8, and -11.

So, the y-intercepts are -5, 8, and -11.

8 0
2 years ago
Read 2 more answers
olivia purchases gifts for mothers day. thev first is a pair of sunglasses for $16.35 and the second is a bracelet . her total i
mash [69]

Answer:

$23.40

Step-by-step explanation:

You have to subtract $39.75 by $16.35 as $39.75 is the total and we have to find out how much the bracelet is. There is also no regrouping.

7 0
2 years ago
75 times what =100? Pls answer
eimsori [14]

Answer:

1.33333

Step-by-step explanation:

100 divided by 75 is 1.3333

You can check this by multiplying.

75 & 1.3

6 0
3 years ago
Read 2 more answers
The region bounded by the curves y=(1/x), y=x^2, and x = 0.1 is revolved around the y-axis to form a solid. What is the approxim
erastovalidia [21]

Answer:

C

Step-by-step explanation:

1/x = x²

x³ = 1

x = 1

y = 1

x = 0.1

1/0.1 = 10

0.1² = 0.01

V1: x² = y

Integrate: y²/2

Limits y = 0.01 to y = 1

½(1² - 0.01²) = 0.49995 pi

V2: x² = 1/y² = y^-2

Integrate: -1/y

Limits y = 1 to y = 10

(-1/10) - (-1/1)

0.9pi

V1 + V2 - [pi × 0.1² × (10-0.01)]

0.49995pi + 0.9pi - 0.0999pi

= 1.30005 pi units³

= 4.084227529 units³

7 0
3 years ago
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