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babymother [125]

2 years ago

13

The bread is on sale for $1.50 so Erica is also going to buy candy or gum. Which can she afford?

1 answer:

Alborosie2 years ago

6 0

Ok, so she started off with $5.00.

She bought milk for $2.99.

She buys bread, which costs $1.50.

Subtracting the money she wasted, the total would be $0.51.

The only thing she could buy is 5 pieces of gum for 25 cents.

Her change will be $0.26.

Hope this helps!

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I need help. I'm not quite sure which one to choose.

MArishka [77]

I believe it is the first one. A. $\frac{x^2}{5^2}- \frac{y^2}{5^2}\ \textgreater \ 1$

7 0

3 years ago

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HEY GUYS I NEED THIS ANSWER NOW

Sergio [31]

Let

x-------> the number of fiction books

y-------> the number of nonfiction books.

we know that

$x+y=26$ -----> equation $1$

$x=y+12$

$x-y=12$ -----> equation $2$

Add equation $1$ and equation $2$

$x+y=26\\x-y=12\\ ------\\ 2x=38\\ x=38/2\\x=19\ fiction\ books$

<u>find the value of y</u>

$x+y=26$

$19+y=26$

$y=26-19=7\ nonfiction\ books$

therefore

<u>the answer is</u>

Part a) the number of fiction books is $19\ fiction\ books$

Part b) the number of nonfiction books is $7\ nonfiction\ books$

6 0

2 years ago

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Find the inverse function in slope-intercept form (mx+b):

BabaBlast [244]

Answer:

y= 3- x/3

Step-by-step explanation:

To find the inverse function, swap x and y, and solve the resulting equation for x.

If the initial function is not one-to-one, then there will be more than one inverse.

So, swap the variables: y=9−3x so it becomes x=9−3y.

Now, solve the equation x=9−3y for y. You would just need to leave y alone so you divide by 3 on both sides (NOT negative 3. Just 3.)

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Answer:

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