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Anuta_ua [19.1K]
2 years ago
14

Principal: $4,000 at 6% for a) 4 years, b) 4 months, and c) 4 days.

Mathematics
1 answer:
ZanzabumX [31]2 years ago
4 0

Answer:

If you're asking for the interest:

a) 960

b) 80

c)2.63 approx.

Step-by-step explanation:

interest = principal x rate x time OR I = prt

TIME IS IN YEARS.

Thus, the first would be I = 4000 *4 *6%% = 960

Second: 4 months = \frac{1}{3} year

I = 4000x\frac{1}{3}x6% = 80

Third: t = 4 days =\frac{4}{365}year

I = 4000x6%x\frac{4}{365} ≈ 2.63

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How to get everything to one side of the inequality for 3+4/x>=(x+2)/x
Ksenya-84 [330]

Answer:

2x+2\geq 0

Step-by-step explanation:

Given:

The given inequality is.

3+\frac{4}{x} \geq \frac{x+2}{x}

Solution:

Simplify the given expression.

3+\frac{4}{x} \geq \frac{x+2}{x}

Multiply by x both side of the equation.

x(3+\frac{4}{x}) \geq x(\frac{x+2}{x})

Simplify.

3x+\frac{4x}{x} \geq x(\frac{x+2}{x})

3x+4\geq x+2

Rewrite the equation as.

3x+4-x-2\geq 0

2x+2\geq 0

Therefore, 2x+2\geq 0 is the simplest form of the given expression.

6 0
3 years ago
Pls help me find the operations of 3a^2+4a^2+7a^2​
Ber [7]

Answer:

14a^2

Step-by-step explanation:

3a^2+4a^2+7a^2

Combine like terms

Factor out a^2

a^2(3+4+7)

a^2(14)

14a^2

7 0
3 years ago
Read 2 more answers
Need some help please!!
anygoal [31]

Answer:

The answer to your question is below

Step-by-step explanation:

Domain is the values of x the function can take   D = (-2, 2]

Range is the values of y the function can take     R = [-5, 4]

a) From the graph we got  f(-1) = -5

b) From the graph we got f(0) = -4

c) From the graph we got f(1) = -5

d) From the graph we got f(2) = 4

5 0
4 years ago
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6 0
3 years ago
PLEASE HELP ASAP!!! CORRECT ANSWERS ONLY PLEASE!!!
Brilliant_brown [7]

-2<em>x</em> + 6<em>y</em> = -38

3<em>x</em> - 4<em>y</em> = 32

To solve by elimination, multiply the top equation by 3 and the bottom equation by 2.

3(-2<em>x</em> + 6<em>y</em> = -38) --> -6<em>x</em> + 18<em>y</em> = -114

2(3<em>x</em> - 4<em>y</em> = 32) --> 6<em>x</em> - 8<em>y</em> = 64

Add the equations.

-6<em>x </em>+ 18<em>y</em> = -114

6<em>x</em> - 8<em>y</em> = 64

+_____________

0 + 10<em>y</em> = -50

10<em>y</em> = -50

<em>y</em> = -5

Substitute -5 for y into one of the original equations to find x.

3<em>x</em> - 4<em>y</em> = 32

3<em>x</em> - 4(-5) = 32

3<em>x</em> + 20 = 32

3<em>x</em> = 12

<em>x</em> = 4

Check work by plugging the <em>x</em>- and <em>y</em>-values into both of the original equations.

-2<em>x</em> + 6<em>y</em> = -38

-2(4) + 6(-5) = -38

-8 - 30 = 38

38 = 38


3<em>x</em> - 4<em>y</em> = 32

3(4) - 4(-5) = 32

12 + 20 = 32

32 = 32

Answer:

<em>x</em> = 4 and <em>y</em> = -5; (4, -5).

8 0
3 years ago
Read 2 more answers
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