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3 years ago

Need help in math I am struggling need help with my homework

1 answer:

7 0

Please get a tutor instead of going on brainly.com, and using the space needed for other people who have a legitimate question to have an answer. Other than that, what are you struggling with?

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Find the surface area of the rectangular prism

Umnica [9.8K]

Answer:

185.68 cm3

Step-by-step explanation:

SA = 2 (L x W) + 2 (L x H) + 2 (W x H)

= 2 (8.2 x 3.4) + 2 (8.2 x 5.6) + 2 (3.4 x 5.6)

= 2 (27.88) + 2 (45.92) + 2 (19.04)

= 55.76 + 91.84 + 38.08

SA = 185.68 cm3

4 0

3 years ago

What is the difference between 76.82 and 2.761

ziro4ka [17]

The difference between 76.82 and 2.761 is 74.059

3 0

4 years ago

Read 2 more answers

A finish -tank has a length of 45 centimeters a width of 25 centimeters and a depth of 10 centimeters.Find the volume of the fis

Nastasia [14]

Answer:

11250

Step-by-step explanation:

you need to multiply length times width times depth

5 0

4 years ago

Read 2 more answers

If marta travels 8 miles in 80 minutes how many miles will she travel in 210 minutes

Y_Kistochka [10]

It's easier if you know 1 minutes = ... miles

If, 80 minutes = 8 miles
Then, 1 minute = 0.1 mile

Therefore 210 minutes = 210 . 0.1 miles = 21 miles

7 0

3 years ago

How to find the inverse of 3log3(x+3)+1. Its with a base of 3

Natasha_Volkova [10]

Let $f^{-1}(x)$ be the inverse of

$f(x) = 3 \log_3 (x + 3) + 1$

Then by definition of inverse function,

$f\left( f^{-1}(x) \right) = 3 \log_3 \left(f^{-1}(x) + 3\right) + 1 = x$

Solve for the inverse :

$3 \log_3 \left(f^{-1}(x) + 3\right) + 1 = x$

$3 \log_3 \left(f^{-1}(x) + 3\right) = x - 1$

$\log_3 \left(f^{-1}(x) + 3\right) = \dfrac{x - 1}3$

$3^{\log_3 \left(f^{-1}(x) + 3\right)} = 3^{\frac{x-1}3}$

$f^{-1}(x) + 3 = 3^{\frac{x-1}3}$

$f^{-1}(x) = 3^{\frac{x-1}3} - 3$

5 0

3 years ago