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Andre45 [30]
3 years ago
6

Which expression correctly represents “twice the sum of four and a number”?

Mathematics
1 answer:
Mashutka [201]3 years ago
3 0

Answer: The Answer is A.

Step-by-step explanation:

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What is the soultion of this equation <br><br> -2x=-16
krok68 [10]
X=-14
After you take the -2 then change it to +2 under the -16 your answer should be X=-14
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3 years ago
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A payroll department addresses five paychecks and envelopes to five different people and randomly inserts the paychecks into the
Zinaida [17]

Answer:

(a) the probability of exactly one paycheck inserted correctly is \frac{1}{5}

(b) at least one paycheck inserted correctly is \frac{1}{5}-0=\frac{1}{5}

Step-by-step explanation:

A paycheck is a document issued by an employer to pay an employee.

Probability is the likelihood of an event happening or not happening.

probability is given as the possible outcome over the expected outcome.

3 0
3 years ago
Amy wants to run the 26 miles of the marathon in 4.5 hours. at what rate will she have to run to reach thisbgoal??
Molodets [167]
The answer is:
____________________________
5.778 mi/ h;
   → or;  write as:  5 ⁷/₉ mph {"miles per hour"}.
______________________________________
Explanation:
_____________________________________

We shall solve in miles ("mi.") per hour ("h");  denoted as "mi / h" ; or sometimes, "mph".
______________________________________

Given 26 mi / 4.5 h ; we want to solve for the number of miles (mi) per unit hour (h),
________________________________
The answer is (26/ 4.5) mi / h l 
______________________________
26 ÷ 4.5 = 5.7777777777777778→       Round to:  5.778 mi/ h;
                                                                → or;  write as:  5  ⁷/₉ mi /h
_____________________________________________________
5 0
3 years ago
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