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julia-pushkina [17]
3 years ago
15

Casey has n nick;es. megan has 4 times as many nickels as casey. write an expression fir the total number of nickels casey and m

egan have. then simplify the expression
Mathematics
2 answers:
shepuryov [24]3 years ago
8 0
Say that n=4. Casey has 4 nickles, and Megan has 4x4, or 16 nickles. Combined, they have 20 nickles, or (5x4) nickles. Answer is 5n.
vladimir2022 [97]3 years ago
4 0
The anwser is 5n.....
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X/19 &lt; -7<br> Inqualities
Hitman42 [59]

Because 19 is being divided, you have to do the opposite. What's the opposite of division? Multiplication. So multiply 19 to -7, then get rid of the 19 on the x's side(cuz it was cancelled out). Now you should have x<-133. In case you don't know, positive times negative equals negative, but negative times negative equals positive.

---

hope it helps

6 0
3 years ago
London has a collection of 260 coins. How many coins represent 25% of her collection?
Sergeu [11.5K]

Answer:

65 coins

Step-by-step explanation:

Set this problem up with a porportion.

\frac{?}{260} \frac{25}{100}

After that, cross multiple and divide.

25 times 260. Then divide by 100. That is then your answer.

8 0
2 years ago
after flying at an altitude of 50 meters, a helicopter starts to descend when its ground distance from the landing pad is 11 kil
yarga [219]

Answer:

The angle of depression for the flight part is approximately 0.2604 degrees

Step-by-step explanation:

The given altitude at which the helicopter is flying = 50 meters

The horizontal distance of the helicopter from the helipad = 11 kilometers = 11,000 meters

The angle of depression = The angle of elevation = Arctan(Altitude/(Horizontal distance)

Therefore;

The angle of depression for the flight part = Arctan(50/(11,000)) ≈ 0.2604 degrees

8 0
2 years ago
What is 36% as a fraction and a decimal?
Black_prince [1.1K]
36%

as a fraction is: 9/25 in its simplest form 
as a decimal is: 0.36

hope my answer helped :)
7 0
3 years ago
Read 2 more answers
The graph shows the cost C in dollars of W pounds of blueberries a proportional relationship. select all the true statements
labwork [276]

Answer:

A, D

Step-by-step explanation:

Cost ($) = C

lbs (Blueberries) = W

One pound of blueberries costs $2.75 because to find how much 1 lb is you need to divide by 6.

6 is the number of pounds at that point in the graph, so you divide both the pounds and cost by 6 to find how much 1 lb is.

To find how much 5 lbs costs, multiply both the cost and number of pounds ($2.75 to 1 lb) by 5.

2.75 * 5 is 13.75 (This means C is wrong)

Do the same but with 12 for D

2.75 * 12 is 33, so D is correct

You could do the same method as above for E, but the easier way to do this is to see that the relationship of 3:9 is equal to a 1:3 ratio, which is the same as what the pounds to cost ratio is (which is 1:2.75)

Hope this helps! ^_^

4 0
3 years ago
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