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3 years ago

Zoe has a collection of 78 movies. Each one cost $29.99. How much did Zoe spend on all her movies

Mathematics

2 answers:

luda_lava [24]3 years ago

5 0

78 times 29.99=2339.22

Anuta_ua [19.1K]3 years ago

4 0

Zoe spent $107.99 on all of her movies. The movies cost $2.60 each.

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tester [92]

Answer:

$8.33

Step-by-step explanation:

$14.69 50.00

+ $20.99 - 41.67

=35.68 = $8.33

+5.99

=$41.67

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Consider the four hydrocarbons in the table below. one is an alkyne, and the other three are alkenes. hydrocarbon boiling point

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3 years ago

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Find the circumference of a circle with a radius of 5mm.

stepan [7]

C=2πr=2·π·5≈31.41593mm

7 0

3 years ago

????? ????? ????? ????? ???? ??

Alekssandra [29.7K]

Solution:

We know that:

The base angles are equivalent.

This means that:

This triangle is an isosceles triangle.
The legs of the triangle are equivalent.

Let's use Pythagoras theorem to find z.

Finding z using Pythagoras theorem.

$(8\sqrt{x} )^{2} = z^{2} + z^{2}$
⇒ $(8\sqrt{x} )( 8\sqrt{x} ) = 2z^{2}$
⇒ $(8)(8)(2)= 2z^{2}$
⇒ $(8)(8)= z^{2}$
⇒ $64= z^{2}$
⇒ $\sqrt{64} = \sqrt{z^{2}}$
⇒ $8 = z$

Thus, the value of z is 8.

6 0

1 year ago

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bogdanovich [222]

Answer:

$\displaystyle y = - \frac{1}{2} x - 3$

Step-by-step explanation:

we are given a line

we want to figure out the equation of theline remember the slope-intercept form of linear equation:

$\displaystyle y = mx + b$

where:

m is the slope of the equation
b is y-intercept

from the graph we can clearly see that the line passes y-intercept at (0,-3) point therefore b is -3

to figure out m we can consider the following formula:

$\displaystyle m = \frac{ y_{2} - y_{1}}{ x_{2} - x_{1}}$

from the graph we obtain:(0,-3),(2,-4)

$\displaystyle m = \frac{ - 4 - ( - 3)}{ 2 - 0}$

simplify substraction:

$\displaystyle m = - \frac{ 1}{ 2 }$

now altogether substitute:

$\displaystyle y = - \frac{1}{2} x - 3$

and we are done!

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2 years ago

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