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4 years ago

Solve the equation below

Mathematics

2 answers:

Nat2105 [25]4 years ago

7 0

Answer: n=2.4

Step-by-step explanation:

Shtirlitz [24]4 years ago

4 0

Answer: The solution should be n = 1.6

Step-by-step explanation:

Solve the equation:

$-\frac{3}{8}n = -0.6$

-Divide both sides by $-\frac{3}{8}$ :

$\frac{-\frac{3}{8}n }{-\frac{3}{8} } =\frac{-0.6}{-\frac{3}{8} }$

$n = \frac{8}{5} =1 \frac{3}{5} = 1.6$

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See if you can answer this :DD 9-16/2^3*4-7

IceJOKER [234]

Answer: -6

Step-by-step explanation:

3 0

4 years ago

The product of a non zero rational number and a irrational number is always sometimes or never irrational

Kryger [21]

Always. The only way an irrational number can become rational is if it’s multiplied by a irrational number.

Hope this helps!

7 0

3 years ago

Read 2 more answers

1+Sin/Cos + Cos/1+Sin = 2Sec

Bond [772]

Step-by-step explanation:

Consider the left-hand side:

$\dfrac{1+\sin{\theta}}{\cos{\theta}} + \dfrac{\cos{\theta}}{1+\sin{\theta}}$

$\:\:\:\:= \dfrac{(1+\sin{\theta})^2 + \cos^2{\theta}}{\cos{\theta}(1+\sin{\theta})}$

$\:\:\:\:=\dfrac{1+2\sin{\theta}+\sin^2{\theta} + \cos^2{\theta}}{\cos{\theta}(1+\sin{\theta})}$

$\:\:\:\:=\dfrac{2+2\sin{\theta}}{\cos{\theta}(1+\sin{\theta})} =\dfrac{2(1+\sin{\theta})}{\cos{\theta}(1+\sin{\theta})}$

$\:\:\:\:= \dfrac{2}{\cos{\theta}} = 2\sec{\theta}$

7 0

3 years ago

Rachel invested $15,000 in a nine-year CD giving 8.5% interest, but needed to withdraw $4,000 after two years. If the CD's penal

drek231 [11]

Given:
Principal = 15,000
interest = 8.5%
term = 9 years

I = 15,000 * 8.5% * 9 years = 11,475
total amount after 9 years = 15,000 + 11,475 = 26, 475

Preterm after 2 years. wdl of 4,000. penalty is 6 months interest of 4,000

I = 4,000 * 8.5% * 6/12 = 170 amount of penalty
I = 15,000 * 8.5% * 2 years = 2,550 interest earned for 2 years

15,000 + 2,550 = 17,550
17,550 - 4,000 - 170 = 13,380 amount to be invested for another 7 years

I = 13,380 * 8.5% * 7 years = 7,961.10
total amount after 9 years with pretermination
13,380 + 7,961.10 = 21,341.10

5 0

3 years ago

Read 2 more answers

Help a friend in need

mafiozo [28]

a) 4.71ft

b) 3.53ft^2

Step-by-step explanation:

Perimeter is 1/2 the circumference

1/2 Circumference = 2*pi*radius

Radius = 1/2 Diameter

Radius = 3/2 = 1.5ft

Circumference = 2*pi*1.5ft = 9.42

1/2 Circumference = 4.71

4.71ft is the perimeter.

The area is 1/2 that of a full circle

A = pi*r^2

A = 3.14*1.5*1.5

A = 7.065ft^2

1/2 A = 3.53ft^2

7 0

3 years ago