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kati45 [8]
4 years ago
8

A pool was sprayed with insecticide, and 2,400 mosquitoes were killed on the first day, 600 on the second day, 150 on the third

day, and so on. What number of mosquitoes was killed on the sixth day after the spraying? (Round the answer to the nearest whole number.)
Mathematics
1 answer:
IgorC [24]4 years ago
5 0

Answer:

2.

Step-by-step explanation:

is a geometric progression with common ratio of 1/4.

there, multiple 150 by 1/4 in 3 places. (4th, 5th and 6th day)

150 ÷ (4*4*4) = 150/64 = 2.3 ≈ 2

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Simplify fully<br> 13/2x-5/x
zimovet [89]

Answer:

so the answer is 3/2x

Step-by-step explanation:

=\frac{13}{2x}-\frac{5}{x}

taking LCM

=\frac{13}{2x}-\frac{5*2}{x*2}

=\frac{13}{2x}-\frac{10}{2x}

=\frac{3}{2x}

i hope it will help you

6 0
3 years ago
Read 2 more answers
This is due by 3 today so answer fast <br><br> Classify the pair of angles:
UkoKoshka [18]

Answer:

Complementary angles

Step-by-step explanation:

Complimentary angles are 2 angles that sum up to 90 degrees

8 0
4 years ago
What is cos 28 degrees
Diano4ka-milaya [45]

The trigonometric function gives the ratio of different sides of a right-angle triangle. The value of cos(28°) is -0.9626.

<h3>What are Trigonometric functions?</h3>

The trigonometric function gives the ratio of different sides of a right-angle triangle.

\rm Sin \theta=\dfrac{Perpendicular}{Hypotenuse}\\\\\\Cos \theta=\dfrac{Base}{Hypotenuse}\\\\\\Tan \theta=\dfrac{Perpendicular}{Base}\\\\\\Cosec \theta=\dfrac{Hypotenuse}{Perpendicular}\\\\\\Sec \theta=\dfrac{Hypotenuse}{Base}\\\\\\Cot \theta=\dfrac{Base}{Perpendicular}\\\\\\

where perpendicular is the side of the triangle which is opposite to the angle, and the hypotenuse is the longest side of the triangle which is opposite to the 90° angle.

The cosine is the ratio of the base of the triangle and the hypotenuse of the triangle. Therefore, The value of cos(28°) is -0.9626.

Learn more about Trigonometric functions:

brainly.com/question/6904750

#SPJ1

6 0
2 years ago
How would to show a rate of change of 60 miles per hour on a graph
Fudgin [204]
I think the answer is 12
3 0
4 years ago
what is the equation of the line in point slope form that goes through (-2,-1) and is perpendicular to y=5x+3?
stich3 [128]
Point slope form is y-y1=m(x-x1)

Since we have to write the equation of a perpendicular line we will have to use the slope that is opposite and reciprocal.

y - (-1) = - \frac{1}{5} (x - (-2))
y + 1 = - \frac{1}{5} (x + 2)

Hope this helps :)
8 0
3 years ago
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