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2 years ago

If a/3 = b/2 , what are the following ratios?

Mathematics

1 answer:

sergejj [24]2 years ago

6 0

Answer:

a/3 = b/2

a/b = 2/3

I guess you wanna know a:b

So it's 2:3

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satela [25.4K]

Answer:So, since it is continuously, we need to think of PERT

A=P\times e^{rt}

So, we just plug our numbers in to solve for T

8000=4000e^{.07t}\\\ln(8000)=\ln(4000e^{.07t})\\\ln(8000) = \ln(4000) + \ln(e^{.07t})\\\ln(8000)=\ln(4000)+.07t\ln(e)\\\ln(8000)=\ln(4000)+.07t\\\frac{\ln(8000)}{\ln(4000)}=.07t\\\frac{\ln(8000)}{.07\ln(4000)}=t\\ 15.479=t

It will take 15.479 years

Step-by-step explanation:

8 0

2 years ago

Two investments totaling $21,000 produce an annual income of $870. One investment yields 4% per year, while the other yields 10%

Citrus2011 [14]

Answer:

The amount invested at 4% is $20,500 and the amount invested at 10% is $500

Step-by-step explanation:

Let

x -----> the amount invested at 4%

(21,000 -x) ----> the amount invested at 10%

we know that

The interest of the amount invested at 4% plus the interest of the amount invested at 10% must be equal to $870

$4\%=4/100=0.04$

$10\%=10/100=0.10$

$0.04(x)+0.10(21,000-x)=870$

Solve for x

$0.04x+2,100-0.10x=870$

$0.10x-0.04x=2,100-870$

$0.06x=1,230$

$x=\$20,500$

$21,000-x=\$500$

therefore

The amount invested at 4% is $20,500 and the amount invested at 10% is $500

7 0

2 years ago

Please help!!!!!!!!!

ra1l [238]

Answer:

Step-by-step explanation:

4 0

3 years ago

I WILL BE CHOOSING THE BRAINLIEST! PLEASE HELP ME!

joja [24]

Answer:

If the triangle is similar by any axiom then the ratio of their sides will be equal then you can easily find the side of the triangle

You can also find it by congurency.

Hope this helps

7 0

2 years ago

write the formula to calculate area of quadrilateral when Co ordinates are given can you answer it please...

Alexxx [7]

If four coordinates are given then:-

Find length of the sides using distance formula

$\boxed{\sf \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}}$

Now break down into two triangles .
Use herons formula and find areas of the triangles .add them and get the area

3 0

2 years ago

Read 2 more answers