Determine which operation the word or phrase represents please help and fast 1-7 please I don’t get it

Answers

Answer 1

Answer: 1. addition
2. multiplication
3. division
4. subtraction
5. addition
6. subtraction
7. a) dividend
7. b) quotient
7. c) divisor

Answer 2

Answer:

Final answer:

Mathematical operations are often represented by specific words or phrases in word problems. Addition is represented by phrases such as 'in all', 'together', 'total', 'plus', or 'and', subtraction with 'less than', 'fewer than', 'minus', 'difference', or 'take away'. Multiplication may be represented by 'of', 'times', 'every', 'product', or 'at this rate', and division by 'per', 'each', 'out of', 'ratio of', 'quotient', or 'separated equally'.

Explanation:

Word or Phrase Representations in Math Operations

Mathematical operations often have keyword phrases associated with them. If you're asked to determine which operation a particular word or phrase represents, here's a simplified list:

Addition is often represented by phrases such as 'in all', 'together', 'total', 'plus', or 'and'.
Subtraction might be indicated by 'less than', 'fewer than', 'minus', 'difference', or 'take away'.
Multiplication can be shown with 'of', 'times', 'every', 'product', or 'at this rate'.
Division might be represented by 'per', 'each', 'out of', 'ratio of', 'quotient', or 'separated equally'.

Understanding these word representations can help you tackle

word problems

more efficiently in mathematics.

Learn more about Mathematical operations here:

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Answers

The experimental probability of getting a restaurant coupon is 20%

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Mary works as an English tutor. On Monday, she earned $21.60. Each day, her daily earnings increase by $1.50. How much will Mary earn on Thursday of the same week?

Answers

Mary works as an English tutor. On Monday, she earned $21.60. Each day, her daily earnings increase by $1.50. How much will Mary earn
on Thursday of the same week?

First of all, you gotta highlight the key things in thequestion so you know what to do :).
Secondly, you add both numbers together because it says HOW MUCH so, $1.50 + $21.60 = $23.1 or $23.00.

Therefore, Mary earns $23.00 on Thursday of the same week !! ^_^

Hope this helps !! and have a great and awesome day buddy !! ^_~

Answer:

As per the statement:

On Monday, she earned $21.60.

It is also given that:

Each day, her daily earnings increase by $1.50.

in 1 day = increases by $1.50

then;

in 3 days=increased by $3 * 1.50 = \$4.50$

We have to find how much will Mary earn on Thursday of the same week.

She earn on Thursday of the same week = $21.60 + $4.50 = $26.10

Therefore, $26.10 much will Mary earn on Thursday of the same week.

What is the range of the relation? {(1, 2), (2, 4), (3, 2), (4, 6)}  A.{2, 4}  B.{1, 2, 3, 4, 6}  C.{2, 4, 6}  D.{1, 2, 3, 4}
Which relation is a function?  A.{(1, 2); (2, 3); (3, 4); (2, 5)}  B.{(1, 2); (1, 3); (1, 4); (1, 5)}  C.{(1, 2); (2, 3); (3, 4); (1, 5)}  D.{(1, 2); (2, 2); (3, 2); (4, 2)}

For the function f(x) = 2 – 3x, find f(4).  A.–5  B.12  C.–10  D.14
Which equation represents a direct linear variation?  A.y = x – 3  B.y=1/3x  C.y = x^2  D.y=1/x
Which is the direct linear variation equation for the relationship?

y varies directly with x and y = 12 when x = 4.
   A.y = 3^x  B.y = x + 8  C.y = 2x + 4   D.y = x – 8
Which is the quadratic variation equation for the relationship?

    y varies directly with x2 and y = 48 when x = 2.
   A.y = 4x^2  B.y = 4x  C.y = 12x^2  D.y = x^2 + 25

Write the inverse variation equation for the relationship: y varies inversely with x and y = 4 when x = 2.  A.y = 2x  B.y=8/x  C.y = x + 2  D.y=1/2x

Answers

$(1)\ \ \ \ range:\ \ \ \{2, 4, 6\}\ \ \ \Rightarrow\ \ \ Ans.\ C\n\n(2)\ \ \ function:\ \ \ \{(1, 2); (2, 2); (3, 2); (4, 2)\}\ \ \ \Rightarrow\ \ \ Ans.\ D\n\n(3)\ \ \ f(4)=2-3\cdot4=2-12=-10\ \ \ \Rightarrow\ \ \ Ans.\ C\n\n(4)\ \ \ direct:\ \ \ y=ax\ \ \ \Rightarrow\ \ \ y= (1)/(3) x\ \ \ \Rightarrow\ \ \ Ans.\ B\n\n(5)\ \ \ f(x)=ax\ \ \ and\ \ \ f(4)=12\n.\ \ \ \ \ \Rightarrow\ \ \ 12=a\cdot4\ \ \ \Rightarrow\ \ \ a=3\ \ \ \Rightarrow\ \ \ f(x)=3x\ \ \ \Rightarrow\ \ \ Ans.\ (?)\n\n$

$(6)\ \ \ f(x)=ax^2\ \ \ and\ \ \ f(2)=48\n.\ \ \ \Rightarrow\ \ 48=a\cdot2^2\ \ \Rightarrow\ \ a=48:4=12\ \ \Rightarrow\ \ f(x)=12x^2\ \Rightarrow\ \ Ans.\ C\n\n(7)\ \ \ inversely:\ \ \ f(x)= (a)/(x) \ \ \ and\ \ \ f(2)=4\n.\ \ \ \Rightarrow\ \ \ 4= (a)/(2) \ \ \ \Rightarrow\ \ \ a=4\cdot2=8\ \ \ \Rightarrow\ \ \ y= (8)/(x)\ \ \ \Rightarrow\ \ \ Ans.\ B$

Karina rows a boat downstream for 66 miles. The return trip upstream took 16 hours longer. If the current flows at 4 mph, how fast does Karina row in still water?