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Reptile [31]
3 years ago
6

Jackie brought 6 books for b dollars each and 3 magazines for m dollars each. Which expression represents the total amount in do

llars she spent on books and magazines?
Mathematics
1 answer:
USPshnik [31]3 years ago
7 0

Answer:

6b+3m

Step-by-step explanation:

I hope this helped.

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What is the inverse of -2
Aleksandr [31]

<u>Solution</u>:

The <em>multiplicative inverse</em> of (-2) is -1/2 <em>{Reciprocal}</em>.

The <em>additive inverse</em> of (-2) is 2.

6 0
3 years ago
Daphne has a preloaded games card that she is using to play games at the arcade as shown in the table.
Lubov Fominskaja [6]

Answer:

she starts with $25

every three games she spends $1.50 (.50 per game)

Step-by-step explanation:

i mean i cant really explain it, its kinda self explanatory

6 0
2 years ago
A person standing at the edge of a cliff throws a rock upward from a height of 180ft above ground level with an initial velocity
taurus [48]

Answer: 8.73 ft/s

Step-by-step explanation:

We have the following equation that models the motion of the rock:

h(t)=-16t^{2}+64t+180

Where h(t) is the height of the rock at a time t.

Now, if  h(t)=48 ft we can find t and then the velocity of the rock at that height:

48=-16t^{2}+64t+180

Rearranging the equation:

-16t^{2}+64t+132=0

Multiplying the equation by -1:

16t^{2}-64t-132=0

Solving with the quadratic formula t=\frac{-b\pm\sqrt{b^{2}-4ac}}{2a}  , where a=16, b=-64, c=-132 .

t=\frac{-(-64)\pm\sqrt{(-64)^{2}-4(16)(-132)}}{2(16)}

Choosing the positive result of the equation:

t=5.5 s  

Since velocity V is defined as the traveled distance h(t) in a given time t, we have:

V=\frac{h(t)}{t}

V=\frac{48 ft}{5.5 s}

V=8.727 ft/s \approx 8.73 ft/s This is the velocity of the rock at the height of 48 feet

7 0
3 years ago
Lamar bought a table on sale for $399. This price was 24% less than the original price. What was the original price?
xxMikexx [17]

$525

Hope this helps ya out

4 0
3 years ago
What is the square root between which two intergers explain ​
Softa [21]

Answer:

I’m pretty sure the square root between two Integers is when you have a non perfect square root for example the square root of 92. Since it is not perfect you have to estimate it and you use a numeric line to do it so in this case the square root of 92 would have to go in between the nearest perfect square roots from both sides which are 81 and 100. In the line you would see it as 9 and 10 and you have to estimate the value which in this case would be about 9.6

Step-by-step explanation:

6 0
3 years ago
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