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3 years ago

How could you label this angle? Would you consider the angle to be acute, right or obtuse?

Mathematics

2 answers:

blagie [28]3 years ago

8 0

Answer:

obtuse

Step-by-step explanation:

obtuse - larger than a right angle/90°

right angle- would have the box in the inner corner to show its a right angle

acute - smaller than a right angle/90°

Brut [27]3 years ago

7 0

Answer:

Obtuse

Step-by-step explanation:

Since the angle is higher than 90 degrees (which would be labeled as a box in the corner), the angle of A is obtuse

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Are -2 and 2 equivalent?

xz_007 [3.2K]

Answer:

Step-by-step explanation:

-2 is 2 places left of the origin while 2 is 2 places right.

3 0

3 years ago

Write an equation for a sine curve that has the given amplitude and period, and which passes through the given point.

Delicious77 [7]

ANSWER

$y = 5\sin( \frac{\pi}{3} x - \frac{2\pi}{3} )$

EXPLANATION

Let the equation of the sine curve be of the form;

$y = a \sin(bx + c)$

where a=5 is the amplitude and period,

$\frac{2\pi}{b} = 6$

This implies that

$b = \frac{2\pi}{6}$

$b = \frac{\pi}{3}$

We substitute the values we got so far into our equation to obtain;

$y = 5\sin( \frac{\pi}{3} x + c)$

When we substitute (2,0) we obtain;

$0= 5\sin( \frac{2\pi}{3} + c)$

Solve for c.

$\sin( \frac{2\pi}{3} + c) = 0$

$\frac{2\pi}{3} + c = \sin^{ - 1} (0)$

$\frac{2\pi}{3} + c = 0$

$c = - \frac{2\pi}{3}$

Hence our equation becomes

$y = 5\sin( \frac{\pi}{3} x - \frac{2\pi}{3} )$

The correct choice is D.

4 0

3 years ago

The side lengths of a rectangle are 4 1/2 cm and 2 2/5 cm. What is the area of the rectangle?

UNO [17]

Answer:

10.8 or 10 4/5

Step-by-step explanation:

4 1/2 * 2/25 = 10 4.5

4 0

3 years ago

Read 2 more answers

The fraction of men in a population who are married is 2/3. The fraction of women in the population who are married is 3/5. What

ANEK [815]

Answer:

7/19 of the population is single

Step-by-step explanation:

First of all, we must make some assumption about the number of married men versus the number of married women. Here, we will assume they are the same number. (Either men are married to women, or the number of gay male marriages is the same as the number of gay female mariages, or both.)

Let m and w represent the numbers of men and women in the population. Then our assumption (above) tells us ...

2/3m = 3/5w

Multiplying by 5/3, we get

w = 10/9m

So, the fraction of the population that is single is ...

(unmarried men + unmarried women)/(men + women)

((1 -2/3)m + (1 -3/5)w) / (m + w)

= (1/3m + 2/5(10/9m) / (m + 10/9m)

= (3/9 + 4/9) / (19/9) . . . . . let m cancel, simplify fractions a bit

= 7/19 . . . . fraction that is single

7 0

3 years ago

4: Find the equation of the line perpendicular to y = ¼ x + 2, passing through the point (-3,0).

skelet666 [1.2K]

Your answer is C. Y= -4x-12

4 0

4 years ago