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Vinil7 [7]
2 years ago
7

Please help me I will really appreciate it!!!

Mathematics
1 answer:
Margarita [4]2 years ago
4 0
The answer is D

U would subtract a^2 then square both sides to isolate the variable
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Work out the size of angle x.<br>X<br>140°<br>105°​
yKpoI14uk [10]

Answer:

- 65

Step-by-step explanation:

x + 140 + 105 = 180

x + 245 = 180

x = 180- 245 = - 65

3 0
3 years ago
Kim bought a hat. in California. The hat cost $15 before the 8% sales tax was applied. How much did Kim pay for the hat after ta
gizmo_the_mogwai [7]

Answer:

$16.2

Step-by-step explanation:

15 x .08 [wonder how i got .08? 8% = 0.8]

= 1.2

here's where most people mess up, they usually forget to add the tax to the original cost.

15 + 1.2=

$16.2

7 0
2 years ago
John has 48 cm tiles he wants to use to create a mosaic he wants the mosaic to be rectangular with the length that is 2 cm longe
bonufazy [111]
I need help my dang self
7 0
2 years ago
Solve using the pathagorean theorem​
REY [17]

Answer:

b=45^1/2

Step-by-step explanation:

a^2+b^2=c^2\\6^2+b^2=9^2\\b^2=81-36\\b^2=45\\b=\sqrt{45}

4 0
2 years ago
A sales team estimates that the number of new phones they will sell is a function of the price that they set. They estimate that
USPshnik [31]

Answer:

$204

Step-by-step explanation:

The question is at what price x will the company maximize revenue.

The revenue function is:

R(x) = 4,080x-10x^2

The price for which the derivate of the revenue function is zero is the price the maximizes revenue:

R(x) = 4,080x-10x^2\\\frac{dR(x)}{dx}=0=4,080-20x\\x=\frac{4,080}{20}\\ x=\$204

The company will maximize its revenue when the price is $204.

7 0
3 years ago
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