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natta225 [31]
3 years ago
6

Apply the rules of order of operations to solve the following problems.

Mathematics
1 answer:
photoshop1234 [79]3 years ago
6 0

Answer:

Step-by-step explanation:

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Find the value of 7 Y if 3 bracket Y - 1 bracket is equal 21​
lawyer [7]

Answer:

7y = 56

Step-by-step explanation:

3(y - 1) = 21

Divide 3 on both sides:

y - 1 = 7

Add 1 to both sides:

y = 8

Multiply by 7 on both sides:

7y = 56

8 0
3 years ago
I need help with adding and subtracting fractions
solmaris [256]
Answer is 3/72

multiply the denominator and numerator of 3/8 by 9 (27/72)
multiply the denominator and numerator of 3/9 by 8 (24/72)

this is to get the same denominator of 72

then just subtract 
27/72 - 24/72 = 3/72

7 0
3 years ago
Read 2 more answers
A line segment is partitioned with a ratio 2:5, how many total parts has the segment been split into
schepotkina [342]

Answer:

7 parts

Step-by-step explanation:

To get the answer to this, we only simply to know the number of times in which the division was made.

This means that the total ratio of the lines is 2 +5 = 7. Meaning we have 7 different divisions.

The first division carries 2/7 while the second division carrues 5/7

7 0
3 years ago
Factorise and evaluate<br><br> 25 × 6 + 25 × 4
AlekseyPX

Answer:

250

Step-by-step explanation:

First with factorise the common factor out first, in this case, its 25.

25x6+25x4 = 25(6+4)

Now using of order of operations we will evaluate the bracket first.

25(6+4) = 25(10) = 25 x 10 = 250

6 0
2 years ago
Read 2 more answers
What is the expression if you for 45 minutes a day
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The question is unclear.
5 0
3 years ago
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