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timofeeve [1]
3 years ago
9

Find the value of the expression 2×(5-3)​

Mathematics
1 answer:
jasenka [17]3 years ago
6 0

Answer: 4

Step-by-step explanation:

2(5-3)

2(2) *parenthesis first!*

4 *multiply!*

could i get a brainliest if possible? ty! <3

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4 years ago
A and b are positive integers and a-b=2. Evaluate the following:<br> 9^1/2b/3^a
OlgaM077 [116]

Answer:

\frac{1}{ 9 }

Step-by-step explanation:

\huge \frac{ {9}^{ \frac{1}{2}b } }{ {3}^{a} }  \\  \\  =  \huge \frac{ {( {3}^{2} )}^{ \frac{1}{2}b } }{ {3}^{a} } \\  \\  =  \huge \frac{ { {3}}^{2 \times  \frac{1}{2}b } }{ {3}^{a} }  \\  \\  \huge =  \frac{ {3}^{b} }{ {3}^{a} }  \\  \\  \huge =  \frac{1}{ {3}^{a - b} }  \\  \\   \huge=  \frac{1}{ {3}^{2} } \\  ( \because \: a - b = 2)\\  \\  \huge =  \frac{1}{ 9 }

5 0
3 years ago
Zac is 4 years older than Bethany. The sum of their ages is 46. How old is Zac?
anygoal [31]

Answer:

25

Step-by-step explanation:

4 0
4 years ago
What is 142.34 divided by 24? And show work
max2010maxim [7]
<em><u>142.34 divide by 24 will give you the answer of 593.083 ----> </u></em>

<em><u>24 x 5 will equal 120 which is close to 142 then subtract 120 by 142 which will give you 22 then bring down the 3 and you will have 223 which 24 x 9 will give you 216 then subtract 223 -216 which gives you 74 then 24 x 3 = 72 then you add a decimal then a zero which is 20 then add another zero which is 200 then multiply 24 by 8 which is 192 and then subtract 200 by 192 and get 72 and then your answer will keep on going</u></em>.
4 0
3 years ago
Factor completely 5x^2 − 40.
AVprozaik [17]

Answer:

5(x^2−8

Step-by-step explanation:

There you go

8 0
3 years ago
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