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Alika [10]
3 years ago
5

A quarter is 1/4 dollar. Nanny has 28 quarters. How much money does she have?

Mathematics
2 answers:
inysia [295]3 years ago
7 0

she has $7


hope this helps

arlik [135]3 years ago
3 0
Uh pretty sure its $7
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fredd [130]
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2 years ago
What is the solution set of y = x2 2x 7 and y = x 7
Anna71 [15]
Hello,

y=x²+2x+7
y=x+7

==>x²+2x+7=x+7
==>x²+x=0
==>x(x+1)=0
==>(x=0 and y=7) or (x=-1 and y=-1+7=6)

Sol={(0,7),(-1,6)}

8 0
3 years ago
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What is the solution to the equation fraction 4 over 5 n minus fraction 1 over 5 equals fraction 2 over 5 n?
photoshop1234 [79]

Answer:

value of n = 2

Step-by-step explanation:

\frac{4}{5n}-\frac{1}{5}=\frac{2}{5n}

We need to solve the above equation.

Find Least Common multiplier from 5n, 5 = 5n

Multiply both sides of the equation by 5n

\frac{4}{5n}*5n-\frac{1}{5}*5n=\frac{2}{5n}*5n\\Solving:\\4 -n = 2\\

Now finding the value of n.

Adding -4 on both sides

4 -n-4 = 2-4\\-n= -2

Multiplying both sides by -1

n = 2

The value of n is 2.

We can verify by putting value of n in the given question.

\frac{4}{5n}-\frac{1}{5}=\frac{2}{5n}\\n=2\\\frac{4}{5*2}-\frac{1}{5}=\frac{2}{5*2}\\\frac{4}{10}-\frac{1}{5}=\frac{2}{10}\\\frac{2}{5}-\frac{1}{5}=\frac{1}{5}\\\frac{2-1}{5}=\frac{1}{5}\\\frac{1}{5}=\frac{1}{5}

So, value of n = 2

5 0
2 years ago
Solve the system:
exis [7]
The answer is C) x=11/19, y=7/19
8 0
3 years ago
How many boxes of books can the delivery person bring up at one time?
telo118 [61]
So if the delievery man weighs 160 pounds and the books is 40 pounds. and the capacity he can carry is 950 then we have to figure out how many books a 160 can carry. 
Division: 160/40=4
950/4=237.5

i tried to answer it. unless i try one more strategy. 

Multiply: 160*40=6400
Divison: 6400/950= <span>6.73684210526
</span>try and round that huge number and figure it out. because i tried. im sorry. i hope you passed. 
5 0
2 years ago
Read 2 more answers
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