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Stolb23 [73]
3 years ago
8

Please help !! Need answers for 1-4 !! For brainlest answer and thanks:))

Mathematics
1 answer:
Sergio039 [100]3 years ago
4 0
Don't you just have to add and subtract for 4
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The Leukemia and Lymphoma Society sponsors a 5k race to raise money. It receives $55 per race entry and $10,000 in donations, bu
photoshop1234 [79]
The net amount they raise is the amount they receive minus what they pay in expenses.

They receive:
$10,000 fixed amount in donations
$55 per person

They pay:
$15 per person

If there are x number of entries, they receive 55x from the entries.
Also, they pay 15x for the entries.

The net amount they raise is amount they receive min us amount they pay:

55x + 10,000 - 15x

which simplifies to

40x + 10,0000

They want to raise at least $55,000.
At least $55,000 means $55,000 or more.
They want to raise an amount greater than or equal to $55,000.

Now we write the inequality:

40x + 10,000 >= 55,000

Now we solve the inequality for x, the number of entries.

40x >= 45,000

x >= 1125

They must have 1125 or more race entries to raise $55,000.
6 0
3 years ago
Cat este 5 la puterea 5?
8090 [49]
5^5=5*5*5*5*5=25*25*5=625*5=3125
5 0
3 years ago
A machine can make a box in 1 3/10 seconds. How many boxes can the machine make in 1 hour
Kazeer [188]

Since a machine make a box per 0.3 seconds, 1 hour would be 3600. 3600 divided by 0.3 is 12000. And that is the answer.

     

4 0
3 years ago
Read 2 more answers
Simplify the expression to a + bi'form:<br> (1 - 5i)(5 +6i)
lions [1.4K]

(1 - 5i)(5 + 6i) \\  = 5 + 6i - 25i - 30 {i}^{2}  \\  = 5 - 19i + 30 \\  = 35 - 19i

I hope I helped you^_^

7 0
2 years ago
Read 2 more answers
Barbra can walk 3200 meters in 24 minutes. How far can she walk in 3 minutes show your work
vichka [17]
\frac{3200}{24}=\frac{n}{3}\\\frac{3200}{24}/\frac{8}{8}=\frac{n}{3}\\\frac{400}{3}=\frac{n}{3}\\\frac{400}{3}*3=\frac{n}{3}*3\\400=n\

400 meters
3 0
3 years ago
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