All categories

3 years ago

The amount of interest accrued on a $7,000 loan with 6% interest after t years.

Mathematics

1 answer:

Misha Larkins [42]3 years ago

6 0

Answer:

$420t

Step-by-step explanation:

Given data

Principal= $7000

Rate= 6%

Time= t years

The expression for the amount is

Simple interest= PRT/100

Sustitute

Simple interest= 7000*6*t/100

Simple interest= 42000t/100

Simple interest= 420t

Hence the amount after t years is $420t

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A box is x to inches high,(2x+3)inches wide, and (2x+5) of inches long. In terms of x, what is the volume (v) of the box?

Advocard [28]

Answer:

The volume of the box is $V=(4x^3+16x^2+15x)\ in^3$

Step-by-step explanation:

we know that

The volume of the box is equal to

$V=LWH$

where

L is the length of the box in inches

W is the width of the box in inches

H is the height of the box in inches

we have

$L=(2x+5)\ in\\W=(2x+3)\ in\\H=x\ in$

substitute in the formula

$V=(2x+5)(2x+3)x$

$V=(4x^2+6x+10x+15)(x)$

$V=(4x^2+16x+15)(x)$

$V=(4x^3+16x^2+15x)\ in^3$

6 0

2 years ago

Hey you can help me out

Ivenika [448]

Answer:

O D) 540°

Step-by-step explanation:

The internal angle sum of a pentagon is 540°.

No shape has an internal angle sum of 90°, 180° is angle sum of a triangle, and 360° for a quadrilateral.

Hope it helps.

;)

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8 0

2 years ago

Read 2 more answers

Which expression can be used to convert 80 dollars (USD) to Australian dollars (aud) 1 USD=1.0343 AUD 1 AUD 0.9668 USD

lesya692 [45]

Answer: $1\ \text{USD}\equiv 1.35\ \text{AUD}$

Step-by-step explanation:

1 USD is equivalent to 1.35 AUD

Therefore, 80 USD is equivalent to

$\Rightarrow 80\ \text{USD}\equiv 80\times 1.35\\\\\Rightarrow 108\ \text{AUD}$

4 0

2 years ago

Use the confidence level and sample data to find a confidence interval for estimating the population mu. Round your answer to th

inysia [295]

Answer:

c. 9.5 lb < mu < 11.1 lb.

Step-by-step explanation:

Confidence interval can be stated as M±ME where

M is the sample mean (10.3)
ME is the margin of error

margin of error (ME) around the mean can be calculated using the formula

ME= $\frac{z*s}{\sqrt{N} }$ where

z is the corresponding statistic in 95% confidence level (1.96)

s is the standard deviation of the sample (2.4)

N is the sample size (37)

Putting thesenumbers in the formula we get:

ME= $\frac{1.96*2.4}{\sqrt{37} }$ ≈ 0.7733 ≈ 0.8

Then the 95% confidence interval would be 10.3 ± 0.8

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3 years ago

8x = 32 Last question please help

Alexandra [31]

Answer:

x equals 4.

Step-by-step explanation:

32 divided by 8 equals 4. I'm not sure there's any other evidence lol :)

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3 years ago