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Airida [17]
3 years ago
14

What is the awnser to this question because I don't understand

Mathematics
1 answer:
Virty [35]3 years ago
4 0
Pemdas 1. parentheses: everything is already in parentheses. so next is exponents. 10×-2 is -20. and 10×6 is 60. so 4×-20 is the next step. it equals -80. and then 3×60 is 180. lastly,add -80 and 180 together. the answer should be 100 if i did that correctly.
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Which radical expression is an irrational number? A. √ 121 B. √ 65 C. √ 36 D. √ 64
alina1380 [7]

We will verify each options

option-A:

\sqrt{121}

we can factor it

\sqrt{121}=\sqrt{11*11}

\sqrt{121}=\sqrt{11^2}

\sqrt{121}=11

so, this is not irrational.........Answer

option-B:

\sqrt{65}

Since, it can not be factored

so, this is irrational.........................Answer

option-C:

\sqrt{36}

we can factor it

\sqrt{36}=\sqrt{6*6}

\sqrt{36}=\sqrt{6^2}

\sqrt{36}=6

so, this is not irrational.........Answer

option-D:

\sqrt{64}

we can factor it

\sqrt{64}=\sqrt{8*8}

\sqrt{64}=\sqrt{8^2}

\sqrt{64}=8

so, this is not irrational.........Answer


6 0
3 years ago
Read 2 more answers
A bike accelerates at 3m/s2. How fast will it be traveling after 8 seconds?
Likurg_2 [28]

Answer:5 x (25 + 125 )/ 2 = 750/2 m = 375 m.


Step-by-step explanation:


3 0
3 years ago
Mike needs to buy soda for a party. He is trying to figure out if it is cheaper to buy the 12 pack or the 20 pack. The 12 pack c
MariettaO [177]

Answer:

55.5

Step-by-step explanation:

3 0
2 years ago
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F(x) = x² – 3x; Find f(-8)
Shtirlitz [24]
F(-8)=8^2-3(-8)
=64+24
=88

Hope this can help.
7 0
3 years ago
What is the value of this expression 6 • [(32 - 8) divided by 4 + 2]
zalisa [80]

Answer:

48 is your answer.

Step-by-step explanation:

What you want to do is follow PEMDAS.

Parenthesis are first. You will subtract 32 and 8 to get 24.

6 x [(24)/4+2] You will then divide 24 and 4 to get 6.

6 x[6+2] you will then add 6+2 to get 8.

6 x 8 = 48 is your answer.

7 0
3 years ago
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