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Tpy6a [65]
3 years ago
6

How do you work this question out at the bottom? please help?????

Mathematics
2 answers:
marysya [2.9K]3 years ago
7 0
Question Q1:
Surface area of the cone:
\pi r l + \pi  r^{2}=125 \pi /: \pi 

 rl+ r^{2}=125

5l+ 5^{2}=125

5l+25=125

5l=100

l=100:5=20  

Answer: l=20 cm.
umka2103 [35]3 years ago
6 0
Surface area of the cone:

<span>Answer: </span><span>l=20 cm.</span>
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240,000 rounded to the nearest hundred thousand is
In-s [12.5K]

<em>ANSWER: </em>

<h2> 200,000 </h2>

<em>STEP: </em>

So, the hundred thousand is the "2" in this situation. Since 5 or more rounds up, and 4 or down stays, we stay with the 2. Therefore, the answer is 200,000

6 0
4 years ago
HELP ASAP !!
Aleks [24]

Answer:

Step-by-step explanation:

total money = $2.25 = 225 cents

types of denomination in coins or cents are dimes and nickels

dime = 10 cents , nickel = 5 cents

twice of dimes to nickels

let no of dimes = x and no of nickels = y

our equation

10x + 5y = 225

x = 2y

10(2y) + 5y = 225

20y +5y = 225

25 y = 225

y=9

x =2y 2x9 = 18

so the number of dimes = 18 and nickels = 9

cross verification:

10x18 + 5x9 = 180 +45 = 225  

6 0
3 years ago
Please help me solve this problem!
damaskus [11]

Answer:

x = 200 packages.

B

Step-by-step explanation:

1 strip of tape = 2.375 inches

Each package requires 4 such strips or 4 * 2.375 which is 9.5 inches.

Set up a proportion for the rest of the problem

1 package / 9.5 inches tape = x packages / 1900 inches tape.

Multiply both sides by 1900

1*1900 / 9.5 = x

1900/9.5 = x

x = 200 packages.

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Ten ounces of a liquid contain 20%
matrenka [14]

Answer:

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Alice drew two triangles on the cordinate plane as shown.
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