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uranmaximum [27]
3 years ago
7

I have 9 questions. multiply or divide

Mathematics
2 answers:
stira [4]3 years ago
7 0
1) 70
2) 80
3) 151
4) 73
5) 741
6) 7,739
Alchen [17]3 years ago
5 0
4. 70
5. 80
6. 151
7. 73
8. 741
9. 7,739
or you can use the calculator next time
You might be interested in
How to subtract fractions
frosja888 [35]
You need to first make denominator in the fractions you have equal, then simply subtract numenators.

example:
2/3 - 1/2
first step is to make denominators equal.
for this example, the denominator will be equal to 6 which is 2x3
so, 2/3 = 4/6 and 1/2 = 3/6
so, the expression now becomes:
4/6 - 3/6
simply subtract numenators and the denominator will be 6 as well.
4/6 - 3/6 = 1/6

another example:
3/4 - 1/2
here the denominator can be equal to 4 in all terms
1/2 = 2/4
so, the new expression is now:
3/4 - 2/4 = 1/4
5 0
3 years ago
PLEASE PLEASE HELP!!
Black_prince [1.1K]

Answer:

It is right

Step-by-step explanation:

square all sides

we have 16, 32, 48

add the two shortest sides, which equal the third side

the triangle works with the pythagorean theorem, so of course it is right :)

7 0
2 years ago
If I buy a stereo for $245 and this includes GST of 10%, what is the pre-GST price?
Ivan

Answer:  $222.73

===========================================

Work Shown:

x = pre-GST price

10% of x = 0.10x = tax amount

x + 0.10x = 1.10x = post-GST price = 245

1.10x = 245

x = 245/1.10

x = 222.7272 approximately

x = 222.73 is the price before tax.

------------

Check:

10% of 222.73 = 0.10*222.73 = 22.273 = 22.27

The tax amount ($22.27) is added to the pre-GST price to get

22.27+222.73 = 245

which matches the post-GST price mentioned.

The answer is confirmed.

Or another way to confirm the answer is to calculate this

1.10*222.73 = 245.003 = 245

6 0
2 years ago
Read 2 more answers
Please help me I put 100 points for anyone who helps me
LenaWriter [7]

Answer:

a)

<u>The discount id 40%, so the function is:</u>

  • d = 0.4p

b)

  • p = 100 ⇒ d = 40
  • p = 200 ⇒ d = 80
  • p = 300 ⇒ d = 120
  • p = 400 ⇒ d = 160
  • p = 500 ⇒ d = 200

<em>The graph is attached</em>

c)

  • p = $85 ⇒ d = 0.4*$85 = $34

<u>Sale price is:</u>

  • CP = p - d = $85 - $34 = $51

7 0
3 years ago
Read 2 more answers
12/11k÷4/3k<br><br>simplify the fraction
Nonamiya [84]

Answer:

9/11

Step-by-step explanation:

12/11k÷4/3k

Copy dot flip

12/11k* 3k/4

36k / 44k

Divide the top and bottom by 4k

9/11

3 0
2 years ago
Read 2 more answers
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