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Mariulka [41]
3 years ago
12

4÷4/7×(-4)×5/7÷(-1/5) Simplify the expression. A. -50 B. -49/2 C. 49/2 D. 50

Mathematics
1 answer:
Delicious77 [7]3 years ago
7 0
Use pemdas
Parentheses
Exponents
Multiply
Decide
Add
Subtract
Don’t forget your negatives and positives either.
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34 ÷ [(7.2 × 0.8) 3.24]
kvv77 [185]
Answer: 9
because you need to first use the ones in the parentheses and then move on.
6 0
3 years ago
1.) Determine whether each number is irrational or rational.
nalin [4]

Answer:

1/3 is rational its nonterminating but it repeats

6.99999 rational its nonterminating and it repeats also

7.48331 is irrational because its non terminnating  and it does not repeat

Step-by-step explanation:

8 0
3 years ago
Calculate the unit rate:<br>write your answer as a decimal <br><br>1/2 mile in ever 1/3 hour​
Alexandra [31]

Answer:

unit \: rate =  \frac{distance}{time}

unit rate is similar to speed / velocity:

unit \: rate =  \frac{ (\frac{1}{2} )}{ (\frac{1}{3})} \\  \\  =  \frac{1}{2}  \div  \frac{1}{3}  \\  \\  =  \frac{1}{2}  \times  \frac{3}{1}  \\  \\  = >  { \boxed{ \boxed{unit \: rate  =   \frac{3}{2}  \: miles \: per \: hour}}}

[<em>unit</em><em> </em><em>rate</em><em> </em><em>must</em><em> </em><em>have</em><em> </em><em>units</em><em> </em><em>including</em><em> </em><em>per</em><em> </em><em><</em><em>time</em><em>></em><em> </em>]

7 0
2 years ago
Name each polynomial by degree and number of terms of -7
denis-greek [22]

Answer: i couldn’t find the answer to this one either

Step-by-step explanation:

4 0
2 years ago
What are the common factors of 24, 64, and 88
Zarrin [17]
1,2,4 & 8 

12*2<span> = 24</span>
32*2<span> = 64 </span>
44*2<span> = 88 </span>
 
6*4 = 24 
16*4 = 24

<span>etc. </span>
3 0
3 years ago
Read 2 more answers
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