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bixtya [17]
3 years ago
13

1. One factor is a two digit number between 1 and 10 2. One factor is a two digit number between 1 and 10 ( different from the f

irst) 3. The product is greater than 8. But less than 10
Mathematics
1 answer:
Paul [167]3 years ago
8 0

Answer: 3.5 *  2.5 = 8.75

Step-by-step explanation:

The factors are to be less than 10 but are should be two digit numbers. The only way this is possible would be if they had decimals.

Which two numbers below 10 can give a product less than 10 but more than 8?

3 and 3 would give 9 which is the closest to our constraints.

Both numbers cannot be similar however and have to have a decimal but the factors should be around 3 but not up to 4 as this would pass the 10.

3.5 *  2.5 = 8.75 would work.

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Please help me with this
mafiozo [28]

Answer:

<h2>a. 10cm</h2><h2>b. 5 cm</h2><h2>c. 31.4 cm</h2><h2>d. 78.5 cm²</h2><h2>e. 100 cm²</h2>

Step-by-step explanation:

Let:

<em>s - </em><em>side of the square</em>

<em>d - </em><em>diameter of the circle</em>

<em>r - </em><em>radius of a circle</em>

<em>C - </em><em>circumeference of the circle</em>

<em>AC - </em><em>area of the circle</em>

<em>AS - </em><em>area of a square</em>

The formula of a perimeter of a square:

<em>P = 4s</em>

We have <em>P = 40cm.</em>

Substitute:

<em>4s = 40              </em><em>divide both sides by 4</em>

<em>s = 10 cm</em>

a.

The length of the diameter of the circle inscribed in the square is equal to the length of the side of the square.

Therefore <em>d = s → d = 10 cm.</em>

b.

The length of the circle diameter is two lengths of the circle radius.

Therefore <em>d = 2r → r = d : 2 → r = 10 : 2 = 5 cm.</em>

c.

The formula of a circumference of a circle:

<em>C = dπ.</em>

Substitute <em>d = 10cm</em>, and <em>π = 3.14.</em>

<em>C = 10(3.14) = 31.4 cm.</em>

d.

The formula of an area of a circle:

<em>AC = πr²</em>

Substitute <em>r = 5cm</em> and <em>π = 3.14</em>

<em>AC = 3.14(5²) = 3.14(25) = 78.5 cm²</em>.

e.

The formula of an area of a square:

<em>AS = s²</em>

Substitute <em>s = 10 cm</em>

<em>AS = 10² = 100 cm²</em>

6 0
4 years ago
Kim and ken are trying to earn at least $400 to buy a mountain bike. Kim earns $7 per hour as a youth counselor at camp. Ken ear
professor190 [17]

Answer: 29 Hours of Work

Step-by-step explanation: Let's start by working backwards.. We know that Ken makes 5 dollars an hour, and he worked 40 hours. 5 * 40 = 200, and 400-200 = 200. This means that Kim has to work 200/7 hours, or (approximately) 29 hours of work.

7 0
3 years ago
The chart shows how much each type of ticket cost.
lukranit [14]

Answer:

The zoo made $82762.50

Step-by-step explanation:

Children : 4.50 * 4012 = 18,054.00

Adults : 7.25 * 8024 =   53,174.00

Senior : 5.75 * 2006 =   11,534.50

Add these totals up = $82762.50

infants are free that's why there's no math for them.

hope this helps

8 0
3 years ago
Read 2 more answers
Find the mean. Round to the nearest tenth.<br> 4,1,5,5,7,13
Mrrafil [7]
The mean of the numbers is 5.8
3 0
3 years ago
Esther drank 2/3 of water monday before going jogging . she drank 5/7 liter of water after her jog . how much water did esther d
Kitty [74]
2/3 + 5/7 = 14/21 + 15/21 = 29/21 = 1 8/21
4 0
3 years ago
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