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2 years ago

Math question please help If you get this right I will mark you as a brainliest

Mathematics

2 answers:

Svetlanka [38]2 years ago

6 0

D I believe 27.5in squared

Dahasolnce [82]2 years ago

3 0

The answer is going to be D. 27.5²

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Solve please :) need to figure out which one is true

olasank [31]

Answer:

Option B is true

Step-by-step explanation:

The formula for Cos is Adjacent/hypotenuse. 12 is Adjacent to angle e, and 17 is the hypotenuse.

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2 years ago

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Find a general solution of y" + 4y = 0.

klio [65]

Answer:

$y(x)=C_{1}cos2x+C_{2}sin(2x)$

Step-by-step explanation:

It is a linear homogeneous differential equation with constant coefficients:

y" + 4y = 0

Its characteristic equation:

r^2+4=0

r1=2i

r2=-2i

We use these roots in order to find the general solution:

$y(x)=C_{1}cos2x+C_{2}sin(2x)$

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3 years ago

Give me the BRAINLIEST ANSWER

oksian1 [2.3K]

Yes there right the answer is three

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2 years ago

What is the answer a factory adds three red drops an two blue drops of coloring to white paint to make each pint of purple paint

Elan Coil [88]

Answer:

Red = 30 drops

Blue = 20 drops

Step-by-step explanation:

The ratio red to blue is 3 : 2

Sum of ratios = 3 + 2 = 5

Required purple paint = 50 gallons

So,

$Multiplier = \frac{50}{5} = 10$

Now, Red drops = 3×10 = 30

Blue drops = 2×10 = 20

4 0

3 years ago

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Adam and Brianna plan to install a new tile floor in a classroom. Adam works at a constant rate of 50 tiles per hour, and Briann

natima [27]

Answer:

t≅13.33h

Step-by-step explanation:

Adam (A) works at constant rate of 50tiles/h

Briana (B) works at constant rate of 55tiles/h, this means that A=50 tiles per hour and B=55 tiles per hour, then A+B = 105tiles/h together, but the floor consists of 1400tiles, so if 105 tiles are installed in one hour, then 1400 tiles in how long they will be installed?

t = 1400tiles*h/105tiles≅ 13.33 h

7 0

2 years ago