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borishaifa [10]
3 years ago
6

Find negative x when x is negative seven

Mathematics
1 answer:
Free_Kalibri [48]3 years ago
7 0
Thus, we multiply the numbers together as we normally would, and then put a negative sign in front of our answer. So, 4 x -3 = -12. Please note that this also works when the negativenumber comes first and the positive number is second. For example, you may see it written -3 x 4, but don't get confused
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an initial investment of $480 earns interezt for 7 years in an account that earns 13% interest, compounded quarterly. Find the a
Travka [436]

Answer:

$1,175.34

Step-by-step explanation:

To solve for the total amount after 7 years. We need to use the formula:

A = P(1+\dfrac{r}{n})^{nt}

Let's first break down all the variables that we have.

P = 480

r = 13% or 0.13

n = 4 (Quarterly)

t = 7 years

Now we simply substitute the values into the formula.

A = P(1+\dfrac{r}{n})^{nt}

A = 480(1+\dfrac{0.13}{4})^{4(7)}

A = 480(1+\dfrac{0.13}{4})^{28}

A = 480(1+0.0325)^{28}

A = 480(1.0325)^{28}

A = 480(2.45)

A = $1,175.34

The account will have $1,175.34 after the 7 year period.

7 0
3 years ago
The snake population on an island is declining at a rate of 2.7% per year. The population was 6000 in the year 2009.
Montano1993 [528]

Answer:

5190

Step-by-step explanation:

2.7% of 6000 is 162.

There is a 5 year span between 2009 and 2014.

So just subtract 162 from 6000 5 times, or multiply 162 by 5, then subtract that from 6000.

Hope It Helps!

7 0
3 years ago
Mrs. Juarez has 3.5 pounds of apples. Her apple canning recipe calls for 7.5 pounds of apples. The equation 3.5+
padilas [110]

Answer:

2+2 4 and for 2 2 2+4 6 yesirrrrr

3 0
3 years ago
Sammy sold 7 water bottles for every 3 water bottes David sold. Together they sold 200 water bottles. how many did each boy sell
Margarita [4]
Sammy sold 140 water bottles, David sold 60 water bottles.
4 0
3 years ago
Read 2 more answers
Can some one please help me
saw5 [17]

Basically, all you have to do is substitue the terms given at the top.

x = -3

y = 6

z = -4

<em>The first one will be set up like this:</em>

(-3) + 6 + (-1) = 2

<em>The second one will be set up like this: </em>

-15 + (- -3) + 6 = -6

<em>The third one will be set up like this:</em>

3(-3) - 2(6) + (-4) = -25

<em>The fourth one will be set up like this:</em>

2(-4) - 3 (6) + 4(-3) = -38

<em>The fifth one will be set up like this: </em>

3 ( -3) + 2 (6) + (-4) = -1

<em>The sixth will be set up like this: </em>

(-3)(-4)

---------- = -1

-2 (6)

<em>The seventh will be set up like this:</em>

2 (6) (-4) - 3 (-3) = -39

Hope this helps! Have a good day/night! c:

6 0
3 years ago
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