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enyata [817]
4 years ago
6

Please tell me the what to do with this problem

Mathematics
2 answers:
Brums [2.3K]4 years ago
8 0

Answer:

3x+2y

Step-by-step explanation:

You should first convert the plain and printed t-shirts prices into variables. I called the plain t-shirts price "x" and the printed t-shirts price "y". There are three plain t-shirts, so the price of the plain t-shirts are 3x. There are two printed t-shirts, so the price of them would be 2y. Add them and you'll get 3x+2y

frez [133]4 years ago
7 0

Because the prices are different, you need to use two variables, one for each price.

Let the price for the plain one be X and the price for the printed one be Y.

You would multiply the number of each shirt by the variable:

3 plain would be 3X and 2 printed would be 2Y.

You then need to add those together to get the total cost:

Total cost = 3X + 2Y

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Answer:

Step-by-step explanation:

g^3

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3 years ago
Simplify the radical expression.
tresset_1 [31]

To simplify this fraction, multiply the entire fraction by the conjugate of the denominator. The conjugate of a square root and a number being added to it would be the number <em>subtracted </em>from the square root. In other words, the conjugate of \sqrt{a} + b would be\sqrt{a} - b.


Applying that information to our fraction shown here, the conjugate of the denominator would be \sqrt{3} - 4. We will multiply both the numerator and denominator of our original fraction by this expression to obtain our answer, as shown below.


\Big(\dfrac{1}{\sqrt{3} + 4}\Big)\Big(\dfrac{\sqrt{3} - 4}{\sqrt{3} - 4}\Big)

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\dfrac{4 - \sqrt{3}}{13}


Our answer is \boxed{\dfrac{4 - \sqrt{3}}{13}}.


5 0
3 years ago
2.8-4.4n-2n+7<br><br><br><br> QUICKLY BRAINLY IF CORRECT
Alenkasestr [34]

Step-by-step explanation:

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7 0
3 years ago
Prove that 1-tan^2x/1+tan^2x=2cos^2x-1​
katen-ka-za [31]

Answer:

see explanation

Step-by-step explanation:

Using the trigonometric identities

tan x = \frac{sinx}{cosx} , sin²x + cos²x = 1

Consider the left side

\frac{1-tan^2x}{1+tan^2x}

= \frac{1-\frac{sin^2x}{cos^2x} }{1+\frac{sin^2x}{cos^2x} } ← multiply numerator/ denominator of the whole fraction by cos²x

= \frac{cos^2x-sin^2x}{cos^2x+sin^2x}

= \frac{cos^2x-sin^2x}{1}

= cos²x - sin²x

= cos²x - (1 - cos²x)

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= 2cos²x - 1

= right side , thus proven

3 0
4 years ago
Read 2 more answers
Please help me with the answer ASAP
DENIUS [597]

Answer:

y = 4x + 1

Step-by-step explanation:

y = mx + b

b = y-intercept

From the graph we see that b = 1

m = slope

Start at (0, 1). Go up 8 units. Rise = 8. Go right 2 units. Run = 2.

slope = rise/run = 8/2 = 4

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6 0
3 years ago
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