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Roman55 [17]
3 years ago
12

The difference between two numbers is 78. Five times the smaller is equal to 6 more than the larger. What are the numbers?

Mathematics
1 answer:
Setler79 [48]3 years ago
6 0
The larger number is 99. The smaller number is 21.

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120-2x=30, what’s x?
KiRa [710]

Step-by-step explanation:

-2x=30-120

-2x = -90

=x = -90/-2

=x = +45

4 0
3 years ago
How would you compare the radius of a circle with the circle diameter?
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The radius is always half of the diameter.

Step-by-step explanation:

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Find the exact area of an equilateral triangle if the length of one side is 40
VARVARA [1.3K]
Equilateral triangle is a triangle with the 3 sides of the same length, and the 3 angles with the same measures/degree.
The formula to find the area of a triangle is base x height/2 , you do have the base (40), but you need the height. To find the height of an equilateral triangle you use the formula: side/2 x radical3, this way u'll find the height and therefor can calculate the area of the triangle.
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8 0
3 years ago
6x7-8/4 using the order of operations will reward 10 pts best answer will be marked brainliest.
Phantasy [73]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
Rob invests $3,715 in a retirement account
lions [1.4K]

Answer:

$14,048.62

Step-by-step explanation:

The interest is 9% per year and compounded 3 times a year, so each compound will be 9%/3 = 3%

The time elapsed will be 15 years and the interest compounded 3 times a year, so the number of compounds happens will be = 15 years* 3 compounds/year= 45x compound.

So basically the money will get 3% interest 45 times. To put into the compounding interest formula, the final account balance will be:

A = P (1 + [ r / n ]) ^ nt

A= amount of the balance after a period of t

P= principal, the initial money deposit( $3,715)

r= rate(9%)

n= number of compound per unit of time(3 times per year)

t= time(15 years)

The calculation will be:

A = P (1 + [ r / n ]) ^ nt

A = $3,715(\frac{1+0.09}{3} )^{3*15}

A = $14,048.62

4 0
3 years ago
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