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Sliva [168]
3 years ago
15

Janie receives an allowance of \$3$3dollar sign, 3 per week. In addition, she can earn \$2$2dollar sign, 2 for each chore she do

es. This week, she wants to earn enough money to buy a CD for \$13$13dollar sign, 13. Janie can do fractions of chores. Write an inequality to determine the number of chores, ccc, Janie must do this week to earn enough money to buy a CD.
Mathematics
2 answers:
STALIN [3.7K]3 years ago
6 0

Answer:

3+1.2 c ≥ 13.503

Step-by-step explanation:

Khan Academy

Aleksandr [31]3 years ago
3 0
2x + 3 is greater than or equal to 13. she needs to do atleast 10 chores
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Can you factor -2x + 6 to get -2(x - 3)
QveST [7]

Answer:

Yes

Step-by-step explanation:

Divide -2x + 6 by -2, then bring the -2 outside the bracket

6 0
3 years ago
Write a ratio as a ratio of whole numbers in lowest terms <br> $1.00 to $1.50
Hatshy [7]

Answer:

Step-by-step explanation:

50

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3 years ago
What is the value of 11−3m , when m = 2? (Please do it step by step because I dont know how to do this ;[ )
STatiana [176]
Substitute the variable for the value given.

11 - 3m becomes 11 - 3(2)

Now do the order of operations.

11 - 3(2) =
11 - 6 =
5

So, the answer is 5.
6 0
3 years ago
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motikmotik

Answer:

120

Step-by-step explanation:

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4 0
2 years ago
If y-3x=9, 7x+y=25, what is the value of x and y?
lianna [129]

\bold{\rm{Given}}\text{ : If y - 3x = 9, 7x + y = 25, what is the value of x and y}?

\bold{\rm{Solution}} \text{: We'll solve this by substitution method}

\dashrightarrow  y - 3x = 9 \\  \\  \dashrightarrow   \boxed{y = 9 + 3x } \qquad .. \sf eq(1)

\text{we got the value of y now getting the value of x}

\looparrowright 7x + y = 25 \\  \\  \looparrowright 7x = 25 - y \\  \\  \looparrowright  \boxed{x =   \frac{25 - y}{7}} \qquad .. \sf eq(2)

\text{Now, putting y = 9 + 3x in eq(2)}

\hookrightarrow  x =  \frac{25 - y}{7}   \\  \\ \hookrightarrow  x =  \frac{25 - 9 + 3x}{7}  \\  \\ \hookrightarrow  7x =  25 - 9 + 3x \\  \\ \hookrightarrow  7x - 3x =  16 \\  \\ \hookrightarrow  4x = 16 \\  \\ \hookrightarrow  x =  \frac{16}{4}  \\  \\ \star \quad  \boxed{ \green{ \frak{ x = 4}}}

\text{Now we know the value of x, for getting y we need to put x in eq(1)}

: \implies y = 9 + 3x \\  \\   : \implies y = 9 + 3(4) \\  \\  : \implies y = 9 + 12  \\  \\    \star \quad  \boxed{\frak{  \green{y = 21}}}

\text{Hence, values of x and y are} \:  \frak{ \green{4}}  \: \text{and} \:  \frak{ \green{21}} \: \text{respectively}.

4 0
2 years ago
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