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Savatey [412]
2 years ago
10

A cashier has three more dimes than nickels and twice as many nickels as quarters find the number of each kind of coin if the to

tal value of the coins is 3.05
Mathematics
1 answer:
galina1969 [7]2 years ago
5 0

Answer:

123

Step-by-step explanation:do mth

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(4x-52)=(3x+21)<br> what does x equal
const2013 [10]

Answer:

x= 73

Step-by-step explanation:

you need to left the x alone

7 0
3 years ago
Read 2 more answers
Solve 7−3n ≤ n+3<br> ................
vredina [299]

Answer:

1 ≤ n

Step-by-step explanation:

7−3n ≤ n+3

  +3n   +3n

7 ≤ 4n+3

-3       -3

4 ≤ 4n

divide by 4 on each side

1 ≤ n

4 0
2 years ago
Find the smallest integer n for an O(xn) estimate of order of the function f(x)
alexdok [17]

Answer with explanation:

f(x)=\frac{(x^3+x^2+5)(x^4-3x^2)}{(2x^2+2x-3)(4x^2+7)}\\\\f(x)=\frac{x^3\times (x^4-3x^2)+x^2 \times (x^4-3x^2)+5 \times (x^4-3x^2)}{2x^2\times (4x^2+7)+2x(4x^2+7)-3\times (4x^2+7)}\\\\f(x)=\frac{x^7-3x^5+x^6-3x^4+5x^4-15x^2}{8x^4+14x^2+8x^3+14 x-12x^2-21}\\\\f(x)=\frac{x^7+x^6-3x^5+2x^4-15x^2}{8x^4+8x^3+2x^2+14 x-21}

The largest degree of numerator is 7 , while the largest degree of denominator is 4.So, as we know

 \frac{x^a}{x^b}=x^{a-b}\\\\\frac{x^7}{x^4}=x^{7-4}\\\\=x^3

→So, order of the function is the highest degree in the function raised to power.Highest degree is 3,when you will reduce the function in Expression form.

So, Degree=3

Order=1

6 0
3 years ago
What is 10 4/5 - 2 1/5
Yuliya22 [10]
8 3/5 
i hope i helped 









4 0
3 years ago
Read 2 more answers
Help me solve this and get marked branliest:
bazaltina [42]

Answer:

75°

Step-by-step explanation:

Let's find the size of x°

BCFE has four sides so the sum of its angles sizes is 360°.

● CBE + 110 + 110 + CFE = 360

CFE is equal to 65° since they have the same vertex

● CBE + 220 + 65 = 360

● CBE + 285 = 360

● CBE = 360-285

● CBE = 75

CBE and x° have the same size since they share the same vertex.so:

● x° = 75°

4 0
3 years ago
Read 2 more answers
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