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siniylev [52]
3 years ago
9

When the quantity of the sum of 5 times a number and 7 is decreased by 1, the result is 1 more than 6 times the number. What is

the equation that models the verbal description, and what is the number?
A. 5n + 7 – 1 = 6n + 1; n = 5
B. 5n(7 + 1) = 6n + 1; n = 7
C. 7(5n – 1) = 6n – 1; n = 5
D. 5n + 7 – 1 = 6n + 1; n = 31
Mathematics
2 answers:
sineoko [7]3 years ago
6 0
A. 5n + 7 - 1 = 6n + 1. n = 5
Juli2301 [7.4K]3 years ago
5 0

Answer:

a

Step-by-step explanation:

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Select the representation that does not change the location of the given point. (4, 110°)
miss Akunina [59]

Answer:

(4,470°)

Step-by-step explanation:

The representation that does not change the location of (4, 110°) in polar coordinates are all points that are coterminal with the given point.

The only point among the given options that is coterminal with (4, 110°) is (4, 470)°

The two points have the same magnitude and 470°-360°=110°.

Since 110° is coterminal with 470° and the two points have the same magnitude with the same sign, the two points represent the same location in polar coordinates.

The correct choice is (4,470°)

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3 years ago
What is the order of the matrix?<br><br> (see picture)<br><br> a.2x3<br> b.3x5<br> c.5x3<br> d.3x2
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Step-by-step explanation:

Matrix has 5 rows and 3 columns.

So it's order is 5x3.

6 0
3 years ago
A cone is 10 inches tall and has a radius of 3 inches. What is the cone's volume?
Mandarinka [93]
The Answer is 94.2 cubic inches
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3 years ago
A student desired to invest $1,540 into an investment at 9% compounded semiannually for 6 years. With all else equal, what is th
irga5000 [103]

Answer:

The future value of this initial investment after the six year period is $2611.6552

Step-by-step explanation:

Consider the provided information.

A student desired to invest $1,540 into an investment at 9% compounded semiannually for 6 years.

Future value of an investment: FV=P(1+r)^n

Where Fv is the future value, p is the present value, r is the rate and n is the number of compounding periods.

9% compounded semiannually for 6 years.

Therefore, the value of r is: r=\frac{0.09}{2}=0.045

Number of periods are: 2 × 6 = 12

Now substitute the respective values in the above formula.

FV=1540(1+0.045)^{12}

FV=1540(1.045)^{12}

FV=1540(1.69588)

FV=2611.6552

Hence, the future value of this initial investment after the six year period is $2611.6552

6 0
3 years ago
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