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4 years ago

Wright the inequality. The product of a number and four is at most -10.

Mathematics

2 answers:

ohaa [14]4 years ago

7 0

P-4 is greater than or equal to -10

OLga [1]4 years ago

7 0

Answer:

4 is greater than or less than -10

Step-by-step explanation:

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How to solve this :') please help

blsea [12.9K]

Answer:

3/2

Step-by-step explanation:

sin(3π/4 - β) = sin(3π/4)cosβ - cos(3π/4)sinπ =

$\sin(\frac{3\pi}{4}-\beta)=\sin(\frac{3\pi}{4})\cos\beta-\cos\frac{3\pi}{4}\sin\beta\\=\frac{1}{\sqrt{2}}\cos\beta-(-\frac{1}{\sqrt{2}})\sin\beta\\\\=\frac{1}{\sqrt{2}}(\cos\beta +\sin\beta)\\\\\sin^2(\frac{3\pi}{4}-\beta)=\frac{1}{2}\cos\beta +\sin\beta)^2=\frac{1}{2}(\cos^2\beta +\sin^2\beta+2\sin\beta\cos\beta\\=\frac{1}{2}(1+\sin2\beta)=\frac{1}{2}(1-\frac{1}{5}) = \frac{2}{5}\\$

Use $\cot^2x=\csc^2x-1=\frac{1}{\sin^2x}-1$

$\cot^2(\frac{3\pi}{4}-\beta)=\frac{1}{\sin^2(\frac{3\pi}{4}-\beta)}-1 = \frac{1}{\frac{2}{5}}-1=\frac{5}{2}-1=\frac{3}{2}$

7 0

2 years ago

Factor the quadratic.<br><br> 2x^2+9x+10

erastovalidia [21]

Answer: (x + 2) (2x +5)

8 0

3 years ago

You check 20 cartons of eggs. Three of the cartons have at least one cracked egg. What is the experimental probability that a ca

Blababa [14]

Answer:

craxk the egg on ur head and see ur answer

Step-by-step explanation:

4 0

4 years ago

Find the 65th term of the arithmetic sequence –10,9, 28; ...

SOVA2 [1]

Answer:

1206

Step-by-step explanation:

find the pattern and add. ;)

7 0

4 years ago

Given circle E with diameter CD and

irina1246 [14]

The Pythagoras is the sum of the square of two sides equal to the square of the longest side. Then the value of AC is 24 units.

<h3>What is a circle?</h3>

It is a locus of a point drawn an equidistant from the center. The distance from the center to the circumference is called the radius of the circle.

Given circle E with diameter CD and radius EA. AB is tangent to E at A.

If AD = 10 and CD = 26.

Then the value of AC will be

We know that the tangent and radius make 90 degrees. Then the triangle is a right-angle triangle.

Then the AC is given by the Pythagoras theorem.

B² = H² - P²

B² = 26² - 10²

B² = 576

B = 24

More about the circle link is given below.

brainly.com/question/11833983

#SPJ1

8 0

2 years ago