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horrorfan [7]
3 years ago
11

Best buy sells iPhones amd Samsung. Thy have 81 phones in the store. If the number of iphones is twice the number of Samsung's h

ow many of each phone does the story carry?
Mathematics
1 answer:
seropon [69]3 years ago
5 0

Answer:

54  iphones ,27 samsungs

81/3=27

27x2=54

81-54=27

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Solve 5v2+25=115 , where v is a real number
hodyreva [135]
5v^2 + 25 = 115
5v^2 = 115 - 25
5v^2 = 90
v^2 = 90/5
v^2 = 18...take the square root of both sides eliminating the ^2
v = (+-) sqrt 18

v = 4.24 or v = -4.24
6 0
3 years ago
Read 2 more answers
Shelby made 5quarts of juice. she said that she made 1 1\4of juice.expkain her mistake
docker41 [41]
Shelby mistake is 11;4 is not the correct mixed number
8 0
3 years ago
How would you translate this situation below into an algebraic expression?
Natasha2012 [34]
Dime value: $0.10
Nickel value: $0.05

For this word problem, you are asked to create an algebraic expression (an equation) for the unknown variables. 

Now, we know that a dime is worth $0.10 or 10 cents and a nickel is worth $0.05 or 5 cents. So, all you would have to do is create an equation that takes those values into account. 
5n + 10d

Your algebraic expression would be B. 5n + 10d

I hope this helps!
5 0
3 years ago
Dina planted a six-foot tree in her backyard which she expects to grow at the rate of 4 feet per year. Find the equation of the
Scrat [10]

Answer:

y = 6 + 4x

After 4 years, the tree would be 22 ft tall.

Step-by-step explanation:

Hi there!

Let x = the number of years that pass

Let y = the height of the tree (ft)

We're given that the 6-foot tree grows at a rate of 4 ft per year. This means that the height of the tree will be equal to 6 ft, the original height, plus another 4 ft every year that passes.

Height of tree = 6 feet + 4 feet × number of years that pass

y = 6 + 4x

To solve for how tall the tree would be 4 years after Dina plants it, replace x with 4, since 4 years have passed:

y = 6 + 4(4)

y = 6 + 16

y = 22

Therefore, the tree would be 22 ft tall.

I hope this helps!

8 0
3 years ago
What is the square root of 55
nikitadnepr [17]

\sqrt{55 }  = 7.41.....
It is non recurring number

Hope it helps you
3 0
3 years ago
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