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Troyanec [42]
2 years ago
7

7. answer correct for brainliest

Mathematics
2 answers:
Vika [28.1K]2 years ago
5 0

Answer:

4 7/20

Step-by-step explanation:

8 1/4 - 3 9/10

get a common denominator of 20

8 1/4 *5/5 - 3 9/10 *2/2

8 5/20 - 3 18/20

borrow 1 from the 8 in the form of 20/20

7 +20/20 + 5/20 - 3 18/20

7 25/20 - 3 18/20

4 7/20

Mkey [24]2 years ago
4 0

Answer: 4.35

Step-by-step explanation: 8 1/4 as a decimal is 8.25. 3 9/10 as a decimal is 3.9. 8.25 - 3.9 = 4.35.

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PLEASE HELP FAST !!<br> 3/2+19/3
yan [13]

Answer:

28/6 yeah thats right wasp

5 0
3 years ago
Read 2 more answers
Solve for y<br> 1.02 = -3.6 + 3.9
Crazy boy [7]

Answer:

1344

Step-by-step explanation:

dont listen to me this is wrong

6 0
2 years ago
Whats the answer to this question
guapka [62]

Answer:

a=20

Step-by-step explanation:

7+13=20

20-7=13

8 0
3 years ago
Please help me brainliest for you :)
Sati [7]

Answer:

single digit, for example= 6

interger power of 10 =10^8

Step-by-step explanation:

it will be written as

6*10^8

spoken as: six time 10 rais to the power of 8

5 0
2 years ago
Can someone plz help me. How can you find the inequalities of 11/15 and 5/7. Next 5/9 and 7/13. Next 11/15 and 5/7. Lastly 5/9 a
LekaFEV [45]
To make this a little clearer, let's give the pairs of inequalities the same denominator:

<span>Question 1: 
</span>\frac{11}{15} ? \frac{5}{7}
First, apply the common denominator to the first fraction:
(\frac{11}{15})7 \\  \frac{11}{15} *  \frac{7}{7}  \\  \frac{11*7}{15*7}  \\  \frac{77}{105}
Do the same for the second:15( \frac{5}{7}) \\  \frac{5}{7}* \frac{15}{15} \\  \frac{5*15}{7*15}  \\  \frac{75}{105}
Nest, compare the two fractions:
\frac{77}{105} \ \textgreater \   \frac{75}{105}
Therefore:
\frac{11}{15} > \frac{5}{7}
<span>
Question Two:</span>
\frac{5}{9} ? \frac{7}{13}
Apply the common denominator to fraction one:
13( \frac{5}{9}) \\  \frac{5}{9} * \frac{13}{13}  \\  \frac{5*13}{9*13}  \\  \frac{65}{117}
Fraction two:
9(\frac{7}{13}) \\  \frac{7}{13} *  \frac{9}{9}  \\  \frac{7*9}{13*9}  \\  \frac{63}{117}
Evaluate:
\frac{65}{117} > \frac{63}{117}
Therefore:
<span>\frac{5}{9} > \frac{7}{13}
</span>
Hope this helps!
5 0
3 years ago
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