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Wittaler [7]
3 years ago
7

Please Solve this question in order to receive the Brainliest

Mathematics
1 answer:
matrenka [14]3 years ago
7 0
That probability is closest with 0.2
C) 0.2
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evablogger [386]
The answer is D!! hope i’m not too late
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3 years ago
HELP!<br> Simplify this radical.
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3 years ago
Which expressions are equivalent to the one below? Check all that apply. 21^x/3^x
satela [25.4K]

Answer:

<em>options:  A,C,E </em>are correct.

Step-by-step explanation:

We have to find the expression equivalent to the expression:

\dfrac{21^x}{3^x}

we know that: 21^x=(3\times7)^x\\\\21^x=3^x\times7^x

Hence,

\dfrac{21^x}{3^x}=\dfrac{3^x\times7^x}{3^x}=7^x-----(1)

A)   (\dfrac{21}{3})^x= 7^x  (same as(1))

Hence, option A is correct.

B)  7 ; which is a different expression from (1)

Option B is incorrect.

C) 7^x   (Same as (1))

Option C is correct.

D) (21-3)^x=18^x   which is a different expression from (1)

Hence, option D is incorrect.

E) \dfrac{7^x\times3^x}{3^x}=7^x   ; which is same as (1)

Hence, Option E is correct.

F) 3^x  ; which is not same as expression (1)

Hence, option F is incorrect.

5 0
3 years ago
Read 2 more answers
I will mark brainlyist if you answer it and it is correct
Stells [14]
Hello!

You can solve this algebraically

7w < -42

Divide both sides by 7

w < -6

The answer is any number less than -6 or w < -6

Hope this helps!
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3 years ago
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3. A restaurant has 26 tables in its dining room. It takes the waitstaff 10 minutes to clear and set 4
antoniya [11.8K]

Answer:

2 hr and 58 min

Step-by-step explanation:

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