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leva [86]
2 years ago
6

What is the volume of the cone? Use 3.14 for π. Round your answer to the nearest hundredth. radius-3m - height7m

Mathematics
1 answer:
professor190 [17]2 years ago
6 0

Volume of the cone is 100 m³

Step-by-step explanation:

  • Step 1: Find the volume of the cone with radius = 3 m and height = 7 m

Volume = 1/3 πr²h

             = 1/3 × 3.14 × 3² × 7

             = 3.14 × 21 = 65.94 ≈ 100 m³ (rounded off to nearest hundredth)

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A recipe calls for 0.5 cup of milk for every 0.75 cup of flour. How much milk is required for every cup of flour?
lakkis [162]

Answer:

3/2 or 1.5

Step-by-step explanation:

0.75 times 4 is 3

0.5 times 4 is 2

Your answer is 3/2 or 1.5

8 0
3 years ago
Ashley bought 14 rainbow and balloon stickers for her little sister. The rainbow stickers cost 6 cents apiece and the balloon st
Morgarella [4.7K]

Answer:

Ashley bought 6 rainbow stickers and 8 balloon stickers for her little sister.

Step-by-step explanation:

Let the number of rainbow sticker be x and number of balloon stickers be y.

Cost a single rainbow sticker= 6 cents

Cost a single balloon sticker= 4 cents

Cost a single x rainbow sticker= 6 cents × x

Cost a single y balloon sticker= 4 cents × y

Total number of stickers bought = 14

x + y =14 ..[1]

Total money spend on stickers = 68 cents

6x cents+4y cents=68 cents

6x+4y=68...[2]

Putting value of from [1] into [2];

x = 14 - y

6(14-y)+ 4y=68

84-6y+4y=68

-2y=-16

y=\frac{-16}{-2}=8

x = 14 -y =14 - 8 = 6

Ashley bought 6 rainbow stickers and 8 balloon stickers for her little sister.

3 0
3 years ago
Give the value of the expression from (a) when x=10<br> (i just need the answer for B)
Masteriza [31]

Answer:

257

General Formulas and Concepts:

Order of Operations: BPEMDAS

Step-by-step explanation:

<u>Step 1: Define</u>

2x² + 5x + 7

x = 10

<u>Step 2: Evaluate</u>

  1. Substitute:                    2(10)² + 5(10) + 7
  2. Exponents:                   2(100) + 5(10) + 7
  3. Multiply:                        200 + 50 + 7
  4. Add:                              250 + 7
  5. Add:                              257
5 0
2 years ago
Suppose that your statistics professor tells you that the scores on a midterm exam were approximately
DedPeter [7]

Answer:

  • Yes

Step-by-step explanation:

z-score representing 85% is 1.04 (from table)

Let x be the score representing the lower limit of 85%.

<u>Use the formula to find z-scores:</u>

  • z = (x - μ)/σ

<u>We have:</u>

  • z = 1.04, μ = 78, σ = 7

<u>Substitute the values and solve for x:</u>

  • 1.04 = (x - 78)/7
  • x - 78 = 7.28
  • x = 85.28

The lower limit of the top 15% is 85.28.

Since your score is greater than 85.28 you earned an A

5 0
2 years ago
The triangle angle sum property states that the measures of the 3 angles of any triangle must add to 360 degrees.
serg [7]

Answer: False

Step-by-step explanation:

Triangle is a polygon with 3 sides. The formula for calculating the sum of angle in a polygon is given as :

(n-2)180

where n is the number of sides , so to calculate the sum of angles in a triangle we have :

(3-2) 180

= 1 x 180

= 180

Therefore : The triangle angle sum property states that the measures of the 3 angles of any triangle must add to 180 degrees.

5 0
2 years ago
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