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alukav5142 [94]
3 years ago
15

How to multiply a mixfraction by a whole number

Mathematics
2 answers:
slava [35]3 years ago
8 0
To multiply a mixed fraction by a whole number here is an example:
Convert the mixed number into an improper fraction suppose we had
5 2/6 convert it into a improper fraction which is 32/6 then the the whole number that you are going to multiply it by suppose we had the number 3 you would then have to make 3 the whole number into a fraction 3/1 then you would multiply 32/6 by 3/1 and you would get 96/6 if it were simplified it would be 16/3
Hope i helped :))
natta225 [31]3 years ago
3 0
Convert to Improper Fractions.Multiply the Fractions.convert the result back to Mixed Fractions.
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The movie theater in town has 4 rooms. Each room has 58 seats on the left side and 32 seats on the right side. Which equation co
saveliy_v [14]

Answer:

The right option is (C) (58 + 32)×4

Step-by-step explanation:

Total number of rooms = 4

Number of seats on left = 58 seats in each room

Number of seats on right = 32 seats in each room

Total number of seats in a room = 58 + 32 seats

Total number of seats in the movie theater = Number of rooms × Number of seats in each room

Total number of seats in the movie theater = 4 × (58 + 32)  = 360 seats

Hence the right option is (C) (58 + 32)×4

7 0
3 years ago
Which expression is equivalent to ? Assume.
nikdorinn [45]

Answer:

2. -2x^{8}y^{18}  

Step-by-step explanation:  

We have been given an expression \frac{10x^{6}y^{12}}{-5x^{-2}y^{-6}} and we are asked to find equivalent expression to our given expression.

Using fraction rule \frac{a}{-b} =-\frac{a}{b} we can write our expression as: -\frac{10x^{6}y^{12}}{5x^{-2}y^{-6}}. 

Upon dividing 10 by 5 we will get,

-\frac{2x^{6}y^{12}}{x^{-2}y^{-6}}      

Upon using exponent property for quotient (\frac{a^{m}}{a^{n}} =a^{(m-n)}) we will get,  

-\frac{2x^{6}y^{12}}{x^{-2}y^{-6}}=-2x^{(6--2)}y^{(12--6)}    

-2x^{(6+2)}y^{(12+6)}

-2x^{8}y^{18}        

Therefore, our expression simplifies as -2x^{8}y^{18} and 2nd option is the correct choice.



6 0
3 years ago
Read 2 more answers
if the equation x^2 +(k+2)x+2k=0 has equal roots,then the value of k is .....a.2 b.-2 c 1/2 d.none ​
blsea [12.9K]

Answer:

k=2

Problem:

if the equation x^2 +(k+2)x+2k=0 has equal roots,then the value of k is ..

Step-by-step explanation:

Since the coefficient of x^2 is 1, we can use this identity to aid us: x^2+bx+(b/2)^2=(x+b/2)^2.

So we want the following:

[(k+2)/2]^2=2k

Apply the power on the left:

(k+2)^2/4=2k

Multiply both sides by 4:

(k+2)^2=8k

Expand left side:

k^2+4k+4=8k *I used identity (x+c)^2=x^2+2xc+c^2

Subtract 8k on both sides:

k^2-4k+4=0

Factor using the identity mentioned a couple lines above:

(k-2)^2=0

Since zero squared is zero, we want k-2=0.

Adding both sides by 2 gives k=2.

8 0
3 years ago
Which quadratic equation defines the function that has zeros at -8 and 6?
irga5000 [103]

Answer: it is A

Step-by-step explanation:

x^2+2x-48=0

x^2+8x-6x-48=0

x×(x+8)-6(x+8)=0

(x+8)×(x-6)=0

x+8=0

x-6=0

x=-8

x=6

6 0
3 years ago
Please help asap, and if you can explain why after the answer, please and thank you❤️
weqwewe [10]
DF=14. Because DE is half the line and EF is the other half the line you add up both the lengths to get the length of whole line.
DE=EF. DE and EF both equal 7 so they are equal.
4 0
3 years ago
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