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Alex_Xolod [135]
3 years ago
15

Martha has 25 coins in her purse some of these coins are nickels and the rest are quarters if the total value of the coins she s

aved is $3.65 determine the number of nickels in her purse
Mathematics
1 answer:
Alexxandr [17]3 years ago
5 0
In this situation, quarters can only take you as far as $3.50. After that, three nickels will get you up to $3.65.
You might be interested in
Write a quadratic function f whose zeros are 3 and 12.<br> f(x) = ?
ololo11 [35]

Answer:

The above equation is a quadratic function whose zeroes are 3 and 12.

Step-by-step explanation:

The general quadratic equation is given by :

ax^2+bx+c=0

It is given that, the zeroes of a quadratic function are 3 and 12. It means they must be factors of it such that,

(x-3)=0\\\\(x-12)=0

So, we can write as :

(x-3)(x-12)=0

Multiplying both factors,

(x-3)(x-12)=0\\\\x^2-12x-3x+36=0\\\\x^2-15x+36=0

So, the above equation is a quadratic function whose zeroes are 3 and 12.

5 0
3 years ago
What goes on the green box?
AleksandrR [38]

Answer:

I think that it's 12 but I don't know for sure.

Step-by-step explanation:

8 0
3 years ago
If the price of a sweater is marked down from $80 to $68, what is the percent markdown?
jolli1 [7]

Answer:

35%

Step-by-step explanation:

$28 less.

28 is 35% of 80. (28/80 = 0.35 which is 35%)

the percent markdown is 35%

4 0
3 years ago
What is the product of 1 1/2 and -1 1/4?
Savatey [412]

positive number times negative number is negative number "(+)(-) = (-)".

1\dfrac{1}{2}\cdot\left(-1\dfrac{1}{4}\right)=-\left(1\dfrac{1}{2}\cdot1\dfrac{1}{4}\right)

we change the mixed numbers to the improper fractions

=-\left(\dfrac{1\cdot2+1}{2}\cdot\dfrac{1\cdot4+1}{4}\right)=-\left(\dfrac{3}{2}\cdot\dfrac{5}{4}\right)=-\dfrac{3\cdot5}{2\cdot4}=-\dfrac{15}{8}=-1\dfrac{7}{8}

6 0
4 years ago
Question 1/8
just olya [345]

Answer:

discount = 290 × <u>1</u>

4

= 72.50

new price is

290.00

<u>72.50</u> -

217.50

5 0
3 years ago
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