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2 years ago

Help me and I give you points because u like points ;)

Mathematics

2 answers:

Nastasia [14]2 years ago

7 0

Answer:-1/6

Step-by-step explanation:

ValentinkaMS [17]2 years ago

4 0

Answer:

-1/5

Step-by-step explanation:

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Cos(-25°) = cos25° really need help with this

kolezko [41]

Cos25=cos_rad(((5*pi)/36)) is your answer.

8 0

2 years ago

The sum of two numbers is 24 and there quotent is 3

xz_007 [3.2K]

Answer:

36 and -12

Step-by-step explanation:

One of the numbers is x then the second number will be 24-x

$\frac{x}{24-x} = 3$

x = 72 - 3x

x = 36

therefore the second number -12

7 0

2 years ago

A blueberry pie is shot out of a pie cannon from a height of 6m and with a velocity of 60 m/s. How many seconds will pass before

sveta [45]

Answer: 1.106 s

Step-by-step explanation:

This situation is related to projectile motion and one the equation that models the height of the blueberry pie in time is:

$y=y_{o}+V_{o}sin(\theta) t-\frac{1}{2}gt^{2}$

Where:

$y=0 m$ is the blueberry pie final height (when it hits the ground)

$y_{o}=6 m$ is the blueberry pie initial height

$V_{o}=60 m/s$ is the blueberry pie initial velocity

$\theta=0 \°$ is the angle, assuming the pie was shot horizontally

$t$ is the time

$g=9.8 m/s^{2}$ is the acceleration due gravity

Rewriting the equation:

$0=y_{o}-\frac{1}{2}gt^{2}$

Isolating $t$ :

$t=\sqrt{\frac{2y_{o}}{g}}$

$t=\sqrt{\frac{2(6 m)}{9.8 m/s^{2}}}$

Finally:

$t=1.106 s$

5 0

3 years ago

Question 3 Determine the area of the parallelogram below 8 cm 2.8 cm 2.2 cm

vodka [1.7K]

To find the area of a parallelogram, we need to multiply the base times the altitude.

We have that the base is equal to 8cm, and the altitude is equal to 2.2cm (the altitude is perpendicular to the base). Then, we have:

$A_{\text{parallelogram}}=b\cdot h=8\operatorname{cm}\cdot2.2\operatorname{cm}=17.6\operatorname{cm}^2$

Therefore, the area of this parallelogram is equal to 17.6 sq. centimeters.

6 0

11 months ago

What is (1/4 -3x^3)^4 in expanded form

Maksim231197 [3]

Answer:

$81x {}^{12} - 27 {}^{9} + \frac{27x {}^{6} }{8} - \frac{3x}{16} + \frac{1}{?256}$

8 0

3 years ago