3 years ago

I need help on this question

Mathematics

1 answer:

polet [3.4K]3 years ago

8 0

certificate of deposit

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Solve for x of (8x+30)°(4x+18)°

rodikova [14]

$(8x+30) ^{o}+(4x+18)^{o} =180^{o}\\ \\ 8x+30 ^{o}+ 4x+18 ^{o} =180^{o}\\ \\12x +48^{o}=180^{o} \ \ |-48^{o}\\ \\12x +48^{o}-48^{o}=180^{o}-48^{o}\\ \\12x= 132^{o}\ \ /:12\\ \\x=\frac{132^{o}}{12}\\ \\x=11^{o} \\ \\ \\ Answer : C. 11$

4 0

2 years ago

I need help really quick

nasty-shy [4]

Answer:

$162.50

Step-by-step explanation:

I=Prt

I=(5000)(0.065)(0.5)

I=162.50

0.5 = 6 months, which is half of a year

0.065 = the percent (6.5%) in decimal form

8 0

3 years ago

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If $396 is invested at an interest rate of 13% per year and is compounded continuously, how much will the investment be worth in

Ipatiy [6.2K]

Answer:

$A=\$584.88$

Step-by-step explanation:

we know that

The formula to calculate continuously compounded interest is equal to

$A=P(e)^{rt}$

where

A is the Final Investment Value

P is the Principal amount of money to be invested

r is the rate of interest in decimal

t is Number of Time Periods

e is the mathematical constant number

we have

$t=3\ years\\ P=\$396\\ r=0.13$

substitute in the formula above

$A=\$396(e)^{0.13*3}=\$584.88$

3 0

3 years ago

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How would you prove that angle 1 is congruent to angle 4?

ExtremeBDS [4]

Vertical angles are congruent.

7 0

3 years ago

Which expression is equivalent to 4^6 x 4^-8

olga nikolaevna [1]

Answer:

4^-2=1/16

Step-by-step explanation:

When we are multiplying exponents and the bases are the same, we add the exponents

4^6 * 4^-8

4^(6+-8)

4^-2

1/16

5 0

3 years ago