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Harrizon [31]
3 years ago
12

Help! I don't get this!

Mathematics
2 answers:
lbvjy [14]3 years ago
7 0
You have to find the volume of each rectangle then add their products.
antoniya [11.8K]3 years ago
6 0
2in *7in*10in =140in
8in*5in*7in=280in
so add both together and you get 420in
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NEED HELP FAST!!!!!!!!!!!!!!!!!!!!!!!!!!!!
djyliett [7]

Answer:

A. f(x) = -0.5(x+3) (x-5)

8 0
3 years ago
A shop advertised a 22% off sale. If a coat originally sold for $255, find the decrease in price and sale price.
Umnica [9.8K]
It would be: 255 - (255 * 22%)
= 255 - (255 * 0.22)
= 255 - 56.1
= 198.9

In short, Decrease in Price is $56.1 & Sale Price is $198.9

Hope this helps!
8 0
3 years ago
Which expression is equivalent to 6–3?
Bond [772]

Your question is not well presented. See complete question below

Which expression is equivalent to 6^{-3}?

A) –63

B) 36

C) \sqrt[3]{6}

D) (\frac{1}{6} )^3

Answer:

The equivalent of 6^{-3 is (\frac{1}{6} )^3

Step-by-step explanation:

Given

Expression: 6^{-3}

Required:

Find the Equivalent Expression

To find the equivalent of this expression, we make use of law of indices.

One of the laws of indices states that

a^-b = \frac{1}{a^b}

If we apply this law to the expression above (6^{-3})

By comparison a = 6 and b = 3.

So, 6^{-3} becomes

6^{-3} = \frac{1}{6^3}

Simplifying further;

\frac{1}{6^3} = \frac{1}{6 * 6 * 6}

This can also be written as

\frac{1}{6^3} = \frac{1*1*1}{6 * 6 * 6}

By splitting the above expression; we have that

\frac{1}{6^3} = \frac{1}{6} * \frac{1}{6} * \frac{1}{6}

Multiplication law of indices states that;

a * a * a = a³. (Because they have the same base of a)

So, \frac{1}{6} * \frac{1}{6} * \frac{1}{6} can then be written as (\frac{1}{6} )^3

Hence,  \frac{1}{6^3} = (\frac{1}{6} )^3

So, the equivalent of 6^{-3} is (\frac{1}{6} )^3

7 0
3 years ago
Plz help will give Brain list
elena-s [515]
Answer: 1.03% Explanation: Divide the amount of money after 1 year by his original investment.
6 0
3 years ago
Need help ASAP<br> PLEASEEE
I am Lyosha [343]

Answer:

x = 14

Step-by-step explanation:

The 2 given angles are vertical angles abd are congruent, so

4x - 22 = x + 20 ( subtract x from both sides )

3x - 22 = 20 ( add 22 to both sides )

3x = 42 ( divide both sides by 3 )

x = 14

Then

x + 20 = 14 + 20 = 34°

4x - 22 = 4(14) - 22 = 56 - 22 = 34°

8 0
3 years ago
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