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2 years ago

Helppp me pleaseee due tonight

Mathematics

2 answers:

natulia [17]2 years ago

8 0

3 pounds would cost $6.75

$4.50/2 = $2.25 per pound
$2.25 x 3 = $6.75

Inessa05 [86]2 years ago

4 0

Answer:

2.25 x 3 = 6.75

Step-by-step explanation:

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arlik [135]

Given:

In a right angle triangle θ is an acute angle and $\tan\theta =\dfrac{3}{5}$ .

To find:

The value of $\cos \theta$ .

Solution:

In a right angle triangle,

$\tan \theta=\dfrac{Perpendicular}{Base}$

We have,

$\tan\theta =\dfrac{3}{5}$

It means the ratio of perpendicular to base is 3:5. Let 3x be the perpendicular and 5x be the base.

By using Pythagoras theorem,

$Hypotenuse=\sqrt{Perpendicular^2+base^2}$

$Hypotenuse=\sqrt{(3x)^2+(5x)^2}$

$Hypotenuse=\sqrt{9x^2+25x^2}$

$Hypotenuse=\sqrt{34x^2}$

$Hypotenuse=x\sqrt{34}$

In a right angle triangle,

$\cos \theta=\dfrac{Base}{Hypotenuse}$

$\cos \theta=\dfrac{5x}{x\sqrt{34}}$

$\cos \theta=\dfrac{5}{\sqrt{34}}$

Therefore, the value of $\cos \theta$ is $\dfrac{5}{\sqrt{34}}$ .

8 0

2 years ago

Specify the domain for the function ƒ(x) = 2x4 + 4x3 + 2x2

Kipish [7]

Answer:

In interval notation it is ( -∞, ∞).

Step-by-step explanation:

All values of x can be input to this function.

7 0

2 years ago

The admission fee for a charity event is $7 for children and $10 for adults. The event was attended by 700 people, and the total

maria [59]

If all were children, revenue would be 700*$7 = $4900. Revenue is actually $6400 -4900 = $1500 more than that. Each adult admission that replaces a child's admission adds $10 -7 = $3 to the revenue, so there must have been
$1500/$3 = 500 . . . . adult admissions

There were 200 children at the show.
There were 500 adults at ths show.

6 0

2 years ago

Read 2 more answers

Find the slope of the line that passes through (5,3) and (4,2).

GREYUIT [131]

Answer:

The slope is 1

Step-by-step explanation:

Slope = (y₂-y₁)/(x₂-x₁) = (2-3)/(4-5) = (-1)/(-1) = 1

Therefore, the slope of the line that passes through (5,3) and (4,2) is 1

8 0

2 years ago