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stich3 [128]
3 years ago
14

Maths assignment a^3-9a

Mathematics
1 answer:
Triss [41]3 years ago
6 0

Answer:

a³-9a

a³-9a

=a(a+3)(a-3)

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Which expression is equivalent to b^m x b^n? A. b^m+n B. b^m-n C. b^mx n D. b^m/n
noname [10]
The formula for multiplying exponents are such below.

(b^m)^n = b^mn
b^m/b^n=b^(m-n)
b^m x b^n=b^(m+n)

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3 years ago
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7x ^4 minus 5x ^4 =
lapo4ka [179]

Answer:

2x^{4}

Step-by-step explanation:

You would subtract 7 and 5 and you would leave the exponent so it would be 2x^{4}

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Please help me now plz <br> I will mark you brainliest
olga2289 [7]

Answer:

? = 4.28

Step-by-step explanation:

We know that tan theta = opp side / adjacent side

tan 35 = 3 / ?

Multiply each side by ?

? tan 35 = 3

Divide each side by tan 35

? = 3/tan 35

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To the nearest hundredth

? = 4.28

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2 years ago
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Sergeeva-Olga [200]

The cost of the sheets is less for the second example, the second example is the better deal.

Consider the first example:

Here, A brand of sheets is on sale for “Buy one get one at 50% off”. If each sheet costs $18.00.

So, the value of the first sheet will be $18,

And since the other sheet is at 50% off .

That is it will be half of the original value

= 50/100 * 18

=9

Therefore, the cost of two sheets

=$18 + $9

= $27.

So, Six sheets will cost

=$27+$27+$27

= $81

Cost of six sheets will be $81

Now, consider the second example

In the second example sheets are 30% off.

So, 30% of 18

= $6.

Subtract that value from 18 and you will get $12.

So, cost of one sheet =  $12.

cost of 6 sheet

=  $12×6

= $72  

In the first example, Six sheets costs $81, while in the second example six sheets cost $72.

Since the cost is less for the second example. So, the second example is the better deal.

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2 years ago
As a salesperson for an electronic parts distributor, you are given two options for your salary structure. The first option has
kumpel [21]

Answer:

The amount of sale is approximately 5714.

Step-by-step explanation:

Let x be the sales made that will result to the same salary and let y be the same weekly salary.

We can represent both salaries as follows:

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Subtracting the second equation from the first, we have:

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x = 200/0.035

x ≈ 5714.

Therefore, the amount of sale is approximately 5714.

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3 years ago
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