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bearhunter [10]
2 years ago
7

what is the distance around a triangle that has sides measuring 2 1/8 feet, 3 1/2 feet, and 2 1/2 feet?

Mathematics
3 answers:
andreyandreev [35.5K]2 years ago
6 0

Answer:

8\frac{1}{8}

Step-by-step explanation:

The sides of the triangle are 2 \frac{1}{8} \:\text{feet} , 3 \frac{1}{2} \:\text{feet}, and 2 \frac{1}{2} \:\text{feet}

We need to find the distance around a triangle, so we have to add all the three sides.

So, the distance around a triangle is 2 \frac{1}{8}+3 \frac{1}{2}+2 \frac{1}{2}

=2+3+2+\frac{1}{8} +\frac{1}{2} +\frac{1}{2}

=7+1+\frac{1}{8}

=8+\frac{1}{8}

=8\frac{1}{8} feet

Hence, the distance around a triangle that has sides measuring 2 \frac{1}{8} \:\text{feet} , 3 \frac{1}{2} \:\text{feet}, and 2 \frac{1}{2} \:\text{feet} is 8\frac{1}{8} feet.

Guest
1 year ago
The answer is correct
Vlad1618 [11]2 years ago
5 0
7 and 1/8. all you need to do is add these together by getting a common denominator of eight
Guest1 year ago
0 0

The answer is 8 1/8

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maksim [4K]
Assume r= t  not sure if you mistyped this.
t =  15 min

T(t)  = 68 (0.5)^(15/10) = 24 Celsius

31 = (0.5)^(t/10) take ln

ln31 = (t/10) ln (0.5) + ln68

t = (ln32 - ln 68/ln0.5) * 10 = 11.3 min 


5 0
2 years ago
There are some nickels dimes and quarters in a large piggy bank for every two nickels there are 3 dimes for every two dimes that
creativ13 [48]

We are given

piggy bank has nickels , dimes and quarters

Let's assume

number of nickels =n

every two nickels there are 3 dimes

so, number of dimes are

=\frac{3}{2}n

=1.5n

every two dimes that are 5 quarters there

so, number of quarters are

=\frac{5}{2}\times 1.5n

=3.75n

so, total number of coins = number of nickels + number of dimes +number of quarters

total number of coins =n+1.5n+3.75

there are 500 coins

so, we get

n+1.5n+3.75n=500

now, we can solve for n

6.25n=500

divide both sides by 6.25

so, we get

n=80

number of dimes is 1.5n

=1.5\times 80

=120

number of quarters  is 3.75n

=3.75\times 80

=300

so,

Number of nickels =80

Number of dimes =120

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6 0
2 years ago
Jackie bought a 3-pack of tubes of glue. She used 0.27 ounce of the glue from the 3-pack
adell [148]

This question is not correct because one of its options was not written correctly.

Correct question:

Jackie bought a 3-pack of tubes of glue. She used 0.27 ounce of the glue from the 3-pack

and had 1.35 ounces left in total. Which describes a way to determine the number of ounces

sold in each tube of glue?

a) Solve for x in the equation 3x - 0.27 = 1.35.

b) Divide 1.35 by 3 and then subtract 0.27 from the quotient.

c) Subtract 0.27 from 1.35 and the divide the difference by 3.

d) Solve for w in the equation 3 (x - 0.27) = 1.35.

Answer:

a) Solve for x in the equation 3x - 0.27 = 1.35.

Step-by-step explanation:

From the question we are told that 0.27 ounces of glue was sold from a 3 pack glue and we have 1.35 ounces of glue left in total.

The first step would be represent the 3 pack of glue as 3x where x represents each pack of the glue.

Therefore, mathematically, we have the Algebraic equation:

3x - 0.27 = 1.35..... Equation 1

This is because when we solve for x, we would be able to find the number of ounces sold in each tube.

Solving for x in the equation 3x - 0.27 = 1.35.

3x - 0.27 = 1.35.

3x = 1.35 + 0.27

3x = 1.62 ...... Equation 2

3x = The three pack tube containing the glue.

Where x represents each of the tubes.

This means, the three pack tube contained 1.62 ounces of glue.

To find out he amount of glue sold from each pack, we go back to our equation 2

3x = 1.62

x = 1.62 ÷ 3

x = 0.54 ounces.

This means from each tubes, 0.54 ounces of glue was sold.

Therefore, Option a) "Solve for x in the equation 3x - 0.27 = 1.35" is correct.

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Alika [10]

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2p=3,\\ \\p=1.5.

The coordinates of the parabola focus are

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3 0
2 years ago
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Bezzdna [24]

Step One

Subtract 32 from both sides.

F - 32 = 9/5(k - 273.15)  

Step Two

Multiply by 5/9 on both sides.

5/9*(F - 32) = 5/9 * 9/5 (k - 273.15)

5/9*(F - 32) = k - 273.15

Step Three.

Add 273.15 to both sides.

5/9*(F - 32) + 273.15 = k

Problem B

F = 180

<em><u>Solve</u></em>

5/9*(F - 32) + 273.15 = k

5/9*(180 -32) + 273.15 = k

5/9*148 + 273.15 = k

82.2222 + 273.15 = k

355.37 = k

k = 355.4   <<< Answer

6 0
2 years ago
Read 2 more answers
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