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Nataly_w [17]
3 years ago
13

Explain how multiplying fractions is similar to multiplying whole numbers and how it is different

Mathematics
1 answer:
Crazy boy [7]3 years ago
8 0
 You just multiply the top and bottom numbers like it was two normal multiplication problems. Ex. 3/4x1/4=3/16 (3x1,4x4) But its different because you have to put them together to make a fraction (3/16).
 
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The sum of two numbers is 361 and the difference between the two numbers is 173. What are the two numbers?
Anika [276]
Divide 361 by 2
180.5
Divide 173 by 2
86.5
180.5+86.5=267
One of the # is 267
361-267=94
The other is 94
8 0
3 years ago
A box contains only black and white chips. There are 8 black chips and 6 white chips. How many white chips must be removed so th
3241004551 [841]

There are 8 black chips and 6 white chips, 14 chips in total. In this situation the probability to pick a black chip is 8/14=4/7.

When one white chip was removed, then only 5 white chips left and the total number of chips became 13. In this situation the probability to pick a black chip is 8/14=4/7.

When second white chip was removed, then ther left 4 white chips and the total number of chips became 12. Now the probability to pick a black chip is 8/12=2/3 as needed.

Answer: Must be removed 2 white chips. Correct choice is B.


5 0
3 years ago
3. Simplify the expression:<br>1+4(2x - 3)-x<br>A. 9x - 3<br>B. 9x - 15<br>C. 7x - 2<br>D. 7x - 11​
OLga [1]

1+4(2x - 3)-x

Mutiply the bracket by 4

1+ (4)(2x)(4)(-3)-x

1+8x-12-x

8x-x+1-12 just rearranging

7x-11

Answer : D. 7x - 11

5 0
3 years ago
Posting a screenshot. please help.
Alinara [238K]
X^2 + 10x + 11 = 0
x^2 + 10x = -11
x^2 + 10x + 25 = -11 + 25
(x + 5)^2 = 14 <===
x + 5 = (+-) sqrt 14
x = -5 (+-) 3.74

x = -5 + 3.74 = -1.26 <== solution
x = -5 - 3.74 = - 8.74 <== solution


7 0
3 years ago
Place parentheses in the expression 7^2+1-5x3 value is 135
SpyIntel [72]

Answer:

Step-by-step explanation:

[{((7^2)+1)-5}*3]

=[{(49+1)-5}*3]

=[{50-5}*3]

=[45*3]

=135

3 0
3 years ago
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