MATHEMATICS MIDDLE SCHOOL

Perimeter of a triangle with side length of 13.9in,10.4,8.5in

Answers

Answer 1
Answer:

Perimeter =a+b+c

13.9 + 10.4 + 8.5 =

32.8 in (perimeter)
Answer 2
Answer:

32.8 is the perimeter of that triangle

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Cheese sticks that were previously priced at "5 for $1" are now "4 for $1". Find the percent increase in the price per cheese stick.

how doi do 1 only? i honestly don't know how to do it. first one to answer is brainliest. if you mind plz also send me the answers for 1 b and c. thx

Answers

2 1/3 + 1 2/3 = 3 3/3

2 1/3 + 1 2/3 = 4
2 + 1 = 3; 1/3 + 2/3 = 1
3 + 1 = 4

3 3/3 = 4
3 = 3; 3/3 = 1
3 + 1 = 4

Now, let's come up with a fraction that is equal to 4.

2 6/3

This answer works because we already have 2 as an integer, and 6/3 is 2.
2 + 2 = 4

Hope this helps!
I seee, that's an equals sign

remember
a=a
a/a=1 where a=a


a. 3+3/3=3+1=4

b. 2+2/5+2+2/5=2+2+2/5+2/5=4+2/5+2/5=4+4/5=4 and 4/5


c. 3+3/8+1+5/8=3+1+3/8+5/8=4+3/8+5/8=4+8/8=5+1=6

How do I subtract 7/8 - 1/2?

Answers

(7)/(8)-(1)/(2)=\ \ \ \ | make\ common\ denominator\n\n(7)/(8)-(4)/(8)=(7-4)/(8)=(3)/(8)\n\nSolution\ is\ (3)/(8).
I checked and in my work my answer was .375 so I hope this helps you because this is the answer that I got when I subtracted this equation.

George found that he blinked 85 times in 15 minutes. At this rate, how many seconds passed during 51 blinks

Answers

85 / 5 = 15
15 / 5 = 3

15 / 3 = 5
3 / 3 = 1

Therefore, he blinks 5 times a minute.  

60 / 5 = 12
5 / 5 = 1

Therefore, he blinks once every 12 seconds. 

51 / 1 = 51
 
     51
 X 12  
= 102
+ 510
= 612

Therefore, 612 seconds passed during 51 blinks. 

How much would $500 invested at 8% interest compounded continuously beworth after 3 years? Round your answer to the nearest cent.
Alt) - Poet
A. $629.86
B. $620.00
C. $641.28
D. $635.61

Answers

Based on the given parameters, the value of the investment after 3 years is $629.86

How to determine the amount in five years?

The given parameters about the compound interest are

Principal Amount, P = $500

Interest Rate, R = 8%

Time, t = 3

Compound interests are different from simple interest, and they are calculated using the following compound interest formula

CI = P(1 + R)^t - P

To calculate the amount, we have:

A = P + CI

So, the equation becomes

A = P + P(1 + R)^t - P

Evaluate the like terms

A = P(1 + R)^t

Substitute the known values in the above equation

A = 500 * (1 + 8%)^3

Express 8% as decimal

A = 500 * (1 + 0.08)^3

Evaluate the sum

A = 500 * (1.08)^3

Evaluate the exponent

A = 500 * 1.259

Evaluate the product

A = 629.86

Hence, the value of the investment after 3 years is $629.86

Read more about compound interest at:

brainly.com/question/24924853

#SPJ1

Answer:

Step-by-step explanation:

Which expression is equivalent to −15x + 6

Answers

The answer is -15x + 6= -9x

8/15 multiplied by 5/6

Answers

To multiply two fractions, we multiply the top number (numerators) together and the bottom numbers together (denominators) and then simplify.

8 x 5 = 40
15 x 6 = 90

40/90 can be simplified (÷10) to 4/9
8/15×5/6
=8/18
=4/9
=0.444
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