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melisa1 [442]
3 years ago
7

Identify the expression as a numerical expression or a variable expression. For a variable expression, name the variable.

Mathematics
1 answer:
MatroZZZ [7]3 years ago
4 0
The best and most correct answer among the choices provided by the first question is the first choice or letter A.

The expression above is an example of a numerical expression.


I hope my answer has come to your help. God bless and have a nice day ahead!
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Which function is the inverse of f(x) = –5x – 4?
makvit [3.9K]
Y = -5x - 4
switch x and y and solve for y
x = -5y - 4
x+4 = -5y
(x+4)/ -5 = y^-1 ( the inverse)

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4 years ago
kayden paddled a canoe to an island. the island is 8 miles from the shore. his trip to the island took two hours while paddling
Andrew [12]

Answer:

2\text{ mph}

Step-by-step explanation:

GIVEN: kayden paddled a canoe to an island. the island is 8 miles from the shore. his trip to the island took two hours while paddling against the current. he paddles 6 mph with no current.

TO FIND: what was the speed of the current.

SOLUTION:

distance of island from the shore =8 miles

total time taken by Kayden =2 hours

speed of Kayden in still water =6\text{ mph}

Let the speed of current be x

Speed of Kayden against current =6-x\text{ mph}

As,

\text{Time}=\frac{\text{Distance}}{\text{speed}}

2=\frac{8}{6-x}

12-2x=8

x=2\text{ mph}

Hence speed of current is 2\text{ mph}

7 0
3 years ago
Becky buys 3 books and the total cost is $24.18. What is the constant of proportionality that relates the cost in dollars, y, to
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Answer: 1x = $8.06y

Step-by-step explanation:

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Write 1 2/3 as the sum of a whole number and two fractions that have the same denominator.
larisa [96]
1+1/3+1/3 because 1/3 and 1/3 have the same denominator.
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What are there two solutions for the equations |6+y|=2?Explain.
tester [92]

Because the equation is a positive number lower than the original

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