3 years ago

4. $23 shirt. 6.5% sales tax What is your total bill?

Mathematics

1 answer:

Papessa [141]3 years ago

5 0

Answer:

$24.50

Step-by-step explanation:

23x0.065 =1.495

23 + 1.50 = 24.50

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Given the following table, what is the quadratic equation?

rusak2 [61]

Answer:

144322221111155554444444333222222

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3 years ago

You have 1240 acres of land, and each acre is worth $52. How much is your land worth in total?

murzikaleks [220]

If one acre is $52, you would multiply 1240 by 52. Your land in total is worth $64,480.

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3 years ago

How many number of terms does 5p^2-2p+3r have?

Helga [31]

Answer:

3 terms

Step-by-step explanation:

5 $p^{2}$ - 2p + 3r

It has 3 terms

They are as follows:

5 $p^{2}$

-2p

and 3r

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7 0

3 years ago

The product The product of 5 and a number n is at least -25

Sophie [7]

Answer:

$n > - 5$

Step-by-step explanation:

$5 \times n > - 25 \\ n > - 25 \div 5 \\ n > - 5$

4 0

3 years ago

Read 2 more answers

Send it quick guys...

Paladinen [302]

Answer:

194

Step-by-step explanation:

Recall 2 rules to solve this easily:

1. $(a+b)^2=a^2+2ab+b^2$

2. $(a-b)^2=a^2-2ab+b^2$

<em>Now, if we let a = 7 and $b=4\sqrt{3}$ , we can say the problem is basically of the form:</em>

$(a+b)^2 + (a-b)^2$

This can be simplified using the rules:

$(a+b)^2 + (a-b)^2\\a^2+2ab+b^2+a^2-2ab+b^2\\2a^2+2b^2$

Now we can plug the values of a and b we initially thought of (remember though $\sqrt{x} \sqrt{x} =x$ ):

$2a^2+2b^2\\2(7)^2+2(4\sqrt{3})^2\\ 2(49)+2(4\sqrt{3})(4\sqrt{3})\\98+2(4)(4)(\sqrt{3} )(\sqrt{3} )\\98+2(4)(4)(3)\\98+96 \\194$

194 is the final answer.

7 0

3 years ago