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jeka57 [31]
3 years ago
6

Joaquin bought a dvd for $21. He gave the cashier$40. How many different combos of $1 $5 $10 can the cashier give him for change

Mathematics
2 answers:
liq [111]3 years ago
8 0
One $10 one $5 and four 1$
mojhsa [17]3 years ago
4 0

Answer:

GGGGGGGGGGIIIIIIIIIIIIIIIIIIRRRRRRRRRRRRRLLLLLLLLLLLLL I BE LIKE IDK!

Step-by-step explanation:

You know somebody deleted my answer but that aint stoppin' me from just saying random things ok peeps, ok cool!!!!!

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-7x is less than or equal to -21
julsineya [31]
The answer is x=3
if you divide each by -7 to isolate x, it’s equal to positive three because 2 negatives make a positive
6 0
3 years ago
1 Select the correct answer. Multiply the binomials: (3x + 4)(5x - 2) A.15x2 + 20x-8b. 15x2 + 14x-8 c. 15x2- 14x-8 D. 15x2+ 14x8
leonid [27]

Multiply the binomials:



(3x + 4)(5x - 2)

\begin{gathered} =3x(5x\text{ - 2) + 4(5x - 2)} \\ =15x^2\text{ - 6x + 20x - 8} \\ =15x^2\text{ + 14x - 8} \end{gathered}

Final answer

Option B is the final answer

3 0
1 year ago
The geometric sequence graphed shows the number of mold spores in a Petri dish per day (please help!)
zavuch27 [327]

Answer:

f(1) = 2

f(n) = 2 × f(n - 1) , n ≥ 2

Step-by-step explanation:

the point of coordinates (1 , 2) is on the graph

Then

f(1) = 2

…………………………

We notice that :

f(2) = 4

f(3) = 8

f(4) = 16

16/8 = 8/4 = 4/2 = 2/1 = 2

________________________

This means the common ratio

of the geo sequence = 2

Hence ,

f(n) = 2 × f(n - 1)

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Mindy has $10.75 to buy school supplies. She spends $3.96 at one store for a package of glue sticks, but she still needs to buy
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She can only spend $2.62
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