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Svetllana [295]
4 years ago
10

Please help!!! picture shown Check all that apply

Mathematics
2 answers:
irina [24]4 years ago
8 0
The answer is B, cause when you multiply you should add the exponent

algol [13]4 years ago
4 0
I believe the answers are c and d

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OMG PLEASE HELP ME ASAP!!!!!!! A local charity sponsors a 5K race to raise money. It receives $55 per race entry and $10,000 in
Dominik [7]
Start with how much profit they are making off each race entry. People pay $55 to race, but $15 of that is expenses so they are only profiting $40 for each entry. Now write one side of the equality. They start with $10,000 in donations, and then have a $40 profit for each race entry. So 10,000+40x. X will represent the unknown number of race entries. What do we want that expression to be equal to? We want 10000+40x>55000. It can also be greater than or equal to, not just greater than. Solve for x. Subtract 10000 from each side resulting in 40x>45000. Divide each side by 40 to solve for x. X>1125. X needs to bbe greater than or equal to 1125. If there are 1125 race entries, the charity will profit exactly $55000, so the lowest number of race entries is 1125
3 0
3 years ago
It takes layla 2/5 hour to swim 1/2 mile what is the unit rate of miles that layla can swim per hour
Mazyrski [523]

Good Morning!


Distance = rate x time


1/2 mile = R x 2/5 hour


1/2=2/5R


/2/5 /2/5


R=1/2 x 5/2


R=1 1/4


She can swim 1 1/4 per hour.


I hope this helps! :)

4 0
3 years ago
Multiply & simplify: (2a - 3)(2a + 1)
RoseWind [281]
I hope this helps you



2a.2a+1.2a-3.2a-3.1


4a^2+2a-6a-3


4a^2-4a-3
3 0
3 years ago
A map has a scale of 2.5 inches=125 miles. If the actual distance is 300 miles what is the distance on the map
e-lub [12.9K]
Answer 5.5

Explanation 125 + 125= 250
250 + 50=300

Is 2 125s and 1 50

Each 125 is 2.5

But in this case there is 2 125s

2.5+2.5=5
plus the other half = 5.5

BRAINLIST?
4 0
3 years ago
Which of the following can be used to represent a loss of $320. -320, 0, 1 over 320, +320
Radda [10]
-320. The negative sign represents loss. In all of the other cases, values are either being added or not changed at all.
4 0
3 years ago
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